Home
Introduction
Research Divisions
Publications
Field Stations
Human Resource Development
Marketable Products
Technical Services
International Collaboration
Library
Announcements
Contact Info
Feed Backs
   
Mutation Breeding (MB) Plant Molecular Breeding (PMB) Soil Salinity (SS)
Plant Nutrition (PN) Entomology (Ento) Plant Pathology (PP) 
Biological Chemistry (BC) Food Preservation (FP)

  1. Akhtar, M. and S.M. Alam. (2001). Effect of incubation period on phosphate sorption from two P sources. Pak. J. Biol. Sci.1 (3), 124-125.

  2. Akhter, J., K.A.  Malik, M.H. Naqvi, S. Ahmed and R. Murray. (1994). A turbidimetric technique for measuring the soil structural stability. Geol. Bull. Punjab Univ., Lahore.  29: 43-51.

  3. Akram, M., A.A. Cheema, M.A. Awan and M. Ahmad. (1985).  Effect of planting date and fertilizer level on grain yield and protein content of rice. Pak. J. Agri. Res. 6(3), 165-167.

  4. Alam , S.M., M. Sharif and A. Latif. (1977). Response of several wheat genotypes to zinc. Pak. J. Sci. Ind. Res. 20:180-182. 

  5. Alam, S.M. (1995). Growth and P uptake behaviour of wheat and triticale as affected by P fertilization. Pak. J. Soil Sci. 10, 63-65.

  6. Alam, S.M. and M. Karim. (1972). Effect of sulphur on S-uptake and dry matter yield of rice plant with respect to soil sulphur. Pak. J. Sci. Res. 24:222-226.

  7. Alam, S.M. and M. Sharif. (1977). Chemical composition and evaluation of berseem fodder grown in the Punjab. Pak. J. Sci. Ind. Res. 20:94-95.

  8. Alam, S.M. and S.A.Shah. (2002). Variability of wheat varieties for P efficiency at two phosphorus levels. Pak. J. Soil Sci. 21: 1-6.

  9. Alam, S.M., A. Latif and M. Sharif. (1983). Susceptibility of wheat varieties to Zinc. Pak. J. Sci. Ind. Res. 26, 144-147.

  10. Alam, S.M., A. Latif and M. Sharif. (1985). Effect of Zn application on yield and nutrient composition of several rice varieties. The Nucleus. 22, 35-61.

  11. Alam, S.M., A. Latif and M. Sharif. (1988). Effect of Zn, B and Mn applications on the yield and nutrient composition of wheat and triticale. Proc. Nat. Seminar on "Micronutrients in Soils and Crops in Pakistan". pp. 218-225.

  12. Alam, S.M., A. Latif and M. Sharif. (1992). Comparative yield and nutrient uptake by wheat and triticale as affected by nitrogen and phosphorus fertilization. Pak. J. Soil Sci. 7(3-4), 35-42.

  13. Alam, S.M., A. Latif and Z. Iqbal. (1997). Response of rice to nitrogen and zinc fertilization with or without copper. Pak. J. Soil Sci. 13:41-45.

  14. Alam, S.M., A. Latif and Z. Iqbal. (1998). Comparison of phosphate fertilizer application methods for berseem. Proc. Symp. on "Plant Nutrition Management for Sustainable Agricultural Growth", NFDC, Islamabad. pp.239‑242.

  15. Alam, S.M., A. Latif and Z. Iqbal. (1998). Differential response of two rice genotypes to  zinc and copper application. Pak. J. Soil Sci. 14(1‑2), 9‑13.

  16. Alam, S.M., A. Latif and Z. Iqbal. (1999). Improving phosphorus fertilizer use efficiency  in wheat through method of application. Pak. J. Sci. Ind. Res.42 (5), 253‑256.[go to top]

  17. Alam, S.M., A. Latif and Z. Iqbal. (2000). Response of two rice varieties to Zn as influenced by phosphorus application. Pak. J. Soil Sci. 18, 87-94.

  18. Alam, S.M., A. Latif and Z. Iqbal. (2002). Wheat yield and phosphorus use efficiency as influenced by method of phosphorus and zinc application. Pak. J. Sci. Ind. Res. 45:117-119.

  19. Alam, S.M., A. Latif and Zafar Iqbal. (1994). Phosphorus-Zn interaction in wheat and maize crops. Proc. 4th Nat. Cong. Soil Sci. Islamabad. pp. 239-242.

  20. Alam, S.M., A. Latif and Zafar Iqbal. (1995). Response of maize (Zea mays)  to Zn and P application. Pak. J. Sci. Ind. Res. 38, 371-374.

  21. Alam, S.M., M. Akhtar, Z. Iqbal and A. Latif. (2001). Use of  industrial wastes and by-products as P source for improving  crop production. III. Effect of applied and residual phosphorus from two sources on three crop species. On-line J. Biol. Sci.1(7), 551-553.

  22. Alam, S.M., M. Sharif and A. Latif. (1988). Differential phosphorus accumulation in cotton varieties and their response to phosphorus application. Proc. Ist Nat. Cong. of Soil Science. pp. 251-258.

  23. Alam, S.M., M. Sharif and A. Latif. (1988). Effect of applied P and Zn fertilizers on wheat and their residual effect on the growth and composition of maize. Pak. J. Sci. Ind. Res. 31, 640-645.

  24. Alam, S.M., M. Sharif and A. Latif. (1989). Phosphorus - Zinc interaction in flooded rice grown on some alkaline soils. Pak. J. Soil Sci. 4, 3-6.

  25. Alam, S.M., M. Sharif and A. Latif.(1985). Effect of phosphate and Zinc application on dry matter yield and chemical composition of rice. The Nucleus. 22, 57-61.

  26. Alam, S.M., S.A.Shah, A. Latif and Z. Iqbal. (2002). Performance of some wheat varieties to fertigation-applied phosphorus fertilizers. Pak. J. Soil Sci. 21:73-78.

  27. Alam, S.M., Z. Iqbal and A. Latif. (1999). Fertigation technology for improved  posphorus use efficiency in wheat. Pak. J. Sci. Ind. Res. 42(6), 380‑383.

  28. Alam, S.M., Z. Iqbal and A. Latif. (1999). Fodder yield and composition of berseem as influenced by phosphorus and zinc application. Pak. J. Soil Sci.17, 83-88.

  29. Alam, S.M., Z. Iqbal and A. Latif. (2000). Effect of boron application with or without zinc on the yield of wheat. Pak.J. Soil Sci. 18, 95-98.[go to top]

  30. Alam, S.M., Z. Iqbal, A. Latif and M. Akhtar. (2001). Use of industrial waste and by-products as a P source for improving crop production. II. Effect of source and rate of P application on growth and P uptake by six crop species.Pak. J. Biol. Sci. 4(5), 593-596.

  31. Ali, S. (2000). Integrated use of chemical and biofertilizers to enhance crop yields – a review. Proc. Symp. on Integrated Plant Nutrition Management. NFDC, Islamabad. pp. 75-88.

  32. Ali, S. (2002). Use of manure, compost, crop residues and other organic wastes as organic fertilizers for enhancing crop productivity. In: Technologies for Sustainable Agriculture (Eds. Azam et al), NIAB, Faislabad. Pp. 143-154.

  33. Ali, S. and F. Azam. (2000). Organic matter dynamics and crop productivity. Proc. Symp. on Integrated Plant Nutrition Management. NFDC, Islamabad. pp. 105-112.

  34. Ali, S. and G.R.Sandhu. (1976). Laboratory cultivation of blue‑ green algae of the saline soils and rice fields. Proc. Natl. Panel on Algae and its Utilization. April 13‑ 14, 1976. Inst. Public Health Engg. & Res., Univ. Engg. & Res., Lahore. pp 53-57.

  35. Ali, S. and I. Watanabe. (1986). Response of Azolla to P, K and Zn in different wetland rice soils in relation to chemistry of floodwater. Soil Sci. Plant Nutr. 32, 239-253.

  36. Ali, S. and I.Watanabe.(1987). Response of Azolla to P, K and Zn in different paddy soils. Proc. W/S on Azolla Use. March 31‑April. 5, 1985, Fuzhou, China. IRRI,Los Banos, Laguna, P.O. Box 933, Manila, Philippines. p 279.

  37. Ali, S. and K.A. Malik. (1993). Availability of nitrogen from N-15 labelled Azolla to rice.  In: New Horizons in Nitrogen Fixation: Current Plant Science and Biotechnology in Agriculture.(Vol.17): Proc. 9th Intl. Cong. on Nitrogen Fixation. Dec. 6-12,1992. Organizer: Nitrogen Fixation Res. Centre, Natl. Univ. Mexico, in Cancun, Mexico. Eds. R. Palacios, J. More and W.E. Newton. Kluwer Academic Publishers, Dordrecht, The Netherlands. p 703.[go to top]

  38. Ali, S. and K.A. Malik.(1987). Use of Azolla in Pakistan. In: Azolla Utilization: Proc. W/S on Azolla Use. March 31‑April 5, 1985. Fuzhou, China. IRRI, Los Banos, Laguna, P.O. Box 933, Manila, Philippines. pp 177-185.

  39. Ali, S. and K.A. Malik.(1988). Effect of Azolla on the rice yield, fertilizer N‑15 recovery, soil N budget and floodwater properties in an Azolla‑rice intercropping system. In: Proc. First Intl. Symp. on Paddy soil Fertility. Dec. 6‑13, 1988. Chiangmai, Thailand. pp 301-314.

  40. Ali, S. and K.A. Malik.(1994). Use of Azolla as biofertilizer in rice-wheat cropping system. In:  Proc. 6th Intl. Symp. on Nitrogen Fixation with Non-Legumes. Sept.6-10,1993,  Ismailia, Egypt. Eds. N.A. Hegazi, M. Fayez  and M. Monib. The American Univ. in Cairo Press, Cairo, Egypt. p 157.

  41. Ali, S. and K.A. Malik.(1995). Utilization of Azolla-Anabaena symbiosis as nitrogen biofertilizer in rice-wheat cropping system. In: Biotechnology for Sustainable Development.  Eds. K.A. Malik, A. Nasim and A.M. Khalid. NIBGE, P.O. Box 577, Faisalabad. pp 249-253.

  42. Ali, S.,   N. Hamid, K.A.Malik. (1998). Screening of phosphate  solubilizing micro-organisms using different original and  modified culture media. Biologia 44(1&2):110-122.  [go to top]

  43. Ali, S., M.I. Rajoka, and G.R. Sandhu. (1976). Blue-green algae of different rice growing soil series of the Punjab. Pak. J. Bot. 10, 197-207.

  44. Ali, S., N.Hamid, D.Khan and K.A.Malik.(1998). Use of Azolla as biofertilizer to enhance crop yield in a rice- wheat cropping system under mild climate. Nitrogen Fixation with Non-Legumes. Eds. K.A. Malik, M.S. Mirza and J.K. Ladha. Kluwer Academic Publishers, Dordrecht, The Netherlands. pp 353-357.

  45. Ali, S., N.Hamid, G.Rasul, S.Mehnaz and K.A. Malik. (1998). Contribution of non-leguminous biofertilizers to rice biomass, nitrogen fixation and fertilizer-N use efficiency under flooded soil conditions. Nitrogen Fixation with Non-Legumes. Eds. K.A. Malik, M.S. Mirza and J.K. Ladha. Kluwer Academic Publishers, Dordrecht, The Netherlands. pp 61‑73.

  46. Ali, Y., M. A. Haq, G.R. Tahir and N. Ahmed. (1999). Effect of inter and intra row spacing on the yield and yield components of chickpea. Pak. J. Biol. Sci. 2 (2), 305-307.

  47. Ali, Y., M. A. Haq, G.R. Tahir and N. Ahmed. (1999). Effect of various morphological traits on chickpea yield under drought and normal field conditions.  Pak. J. Biol. Sci. 2 (3), 1071 – 1073.

  48. Ali, Y., M. A. Haq, N. Ahmed and S.S. Alam. (1998). Differences in drought tolerance in ten chickpea genotypes. (I) Some studies on yield and yield components. Pak. J. Biol. Sci. 1 (3), 199-201.

  49. Ali, Y., M. A. Haq, S.S. Alam and N. Ahmed. (1998). Variation in drought tolerance in ten chickpea varieties. (II) Studies on some physiological characteristics and their relation to growth.  Pak. J. Biol. Sci. 1 (2), 109 – 110.

  50. Ashraf,  M.Y. (1998). Role of proline in dry matter accumulation and yield stability of different wheat genotypes grown under water stress conditions. Sci. Int. 10, 303-308.[go to top]

  51. Ashraf, M. and F. Azam. (1998). Fate and interaction with soil N of fertilizer 15N applied to wheat at different growth stages. Cer. Res. Commun. 26, 397-404.

  52. Ashraf, M., A.Gulnaz, S.R.A.Shamsi  and F. Azam. (1998). Determination of NH3 evolved from foliar parts of crop plants. Pak. J. Biol. Sci. 1, 19-22.

  53. Ashraf, M., M. Shahbaz and M.Y. Ashraf. (2001). Influence of nitrogen supply and water stress on growth, nitrogen, phosphorus, potassium and calcium content in pearl millet. Biologia Plant. 44, 459-462.

  54. Ashraf, M., S.R.A. Shamsi and F. Azam. (1996). Foliar absorption of 15NH3 by wheat and rice varieties. Pak. J. Bot. 28, 195-202.

  55. Ashraf, M., S.R.A.Shamsi, M.I.Sajjad and F.Azam. (1997). Nitrogen losses from tops of three rice varieties grown in nutrient culture solution. Pak .J. Bot.29, 319-322.

  56. Ashraf, M.Y. (1998). Effect of low temperature stress on the transcription of Ribulose 1,5-bisphosphate carboxylase in rice seedlings. Sci. Int. 10, 309-311.

  57. Ashraf, M.Y. (1998). Photosynthetic efficiency of wheat under water stress conditions. Pak. J.  Sci. Ind. Res. 41, 156-163.

  58. Ashraf, M.Y. (1998). Yield and yield components response of wheat (Triticum aestivum L.) genotypes grown under different soil water deficit conditions. Act. Agron. Hung. 46(1), 45-51.

  59. Ashraf, M.Y. (2000). Genotypic variation for chlorophyll content and leaf area in wheat and their relation to grain yield. Wheat Inform. Ser.  90, 42-44.

  60. Ashraf, M.Y. and A.S. Bhatti. (1998). Effect of delayed sowing on some parameters of photosynthesis in wheat (Triticum aestivum L.). Wheat Inform. Ser.  86, 46-48.

  61. Ashraf, M.Y., A.H. Khan, A.R. Azmi and S.S.M. Naqvi. (1999). Comparison of screening techniques used in breeding for drought tolerance in wheat. In: Proc. New Genetical Approaches to Crop Improvement II (Naqvi, S.S.M. ed). pp. 513-525.[go to top]

  62. Ashraf, M.Y., A.H. Khan, S.S.M. Naqvi and B. Khanzada. (2000). Effect of sowing times on some photosynthetic parameters of wheat (Triticum aestivum L.). Sindh Univ. Res. Jour. (Sci. Sr.) 32, 23-32.

  63. Ashraf, M.Y., S.A. Ala and A.S. Bhatti. (1998). Nutritional imbalance in wheat (Triticum aestivum L.) genotypes grown under soil water deficit conditions. Acta Physiol. Plant. 20, 307-311.

  64. Awan, A.R. and M.Sharif. (1972). Study on super-phosphate fixation and availability of soil phosphate fractions to wheat plants. Pak. J. Sci. Res. 24, 234-238.

  65. Azam, F. (1988). Studies on organic matter fractions of some agricultural soils. Sarhad J. Agric. Res. 4, 355-365.

  66. Azam, F. (1990). Comparative effect of an organic and inorganic nitrogen source applied to a flooded soil on rice yield and availability of N. Plant and Soil. 125, 255-262.

  67. Azam, F. (1992). Uptake of soil and labelled fertilizer N by different varieties of wheat. Pak. J. Agric. Res. 13, 107-115.

  68. Azam, F. (2001). Legume-bacterium (Rhizobium) association - symbiosis, a marriage of convenience, necessary evil or bacterium taken hostage by the legume. Pak. J. Biol. Sci. 4, 757-761.

  69. Azam, F. (2002). Added nitrogen interaction – its occurrence, mechanism and implications to fate of N in the soil-plant system. Pak. J. Agron. 1: 54-59.

  70. Azam, F. (2002). Nodulation in cereals as a means to decreasing their dependence on nitrogenous fertilizers – An achievable target or a dogma. Pak. J. Biol. Sci. 5, 122-127.  [go to top]

  71. Azam, F. (2002). Studies on organic matter dynamics and nitrogen availability using 14C and 15N. Pak. J. Agron. 1:20-24.

  72. Azam, F. and  K.A. Malik. (1985). Effect of lignosulphonates on nitrogen transformation, soil microflora and plant growth. In Proc. Int. Symp. Nitrogen and the Environment, at Lahore  Jan. 7-12, 1984. Lahore, Pakistan. pp. 261-267.

  73. Azam, F. and A. Lodhi.(2001). Plant growth and root modifications in wheat (Triticum aestivum L.) and maize (Zea mays L.) following addition of 2,4-dichlorophenoxy acetate (2,4-D) in soil. O.J.B.S. 1, 1069-1073.

  74. Azam, F. and A.Lodhi. (2001). Pesticides and the environment. E-Digest, Nov. 2001, 42-47.

  75. Azam, F. and A.Lodhi. (2001). Response of wheat (Triticum aestivum L) to application of nitrogenous fertilizer and sewage sludge. Pak. J. Biol. Sci. 4, 1083-1086.

  76. Azam, F. and G.H. Memon. (1995). Soil organisms. I Soil Science (Eds. Bashir E and R. Bantel), National Book Foundation, Islamabad, Pakistan. pp. 201-232.

  77. Azam, F. and K.A. Malik. (1983). Effect of humic acid soaking of seeds on seedling growth of wheat (Triticum aestivum L.) under different conditions. Pak. J. Bot. 15, 31-38.

  78. Azam, F. and K.A. Malik. (1985). Immobilization and re-mineralization of fertilizer N in soil supplemented with different organic materials. Pak. J. Soil Sci. 1, 59-65.

  79. Azam, F. and M.Yousaf.(1992). Response of Sesbania aculeate L. Pers. to compost application and its long-term value for improvement of soil productivity. Sarhad J. Agri. Res. 7: 153-160.

  80. Azam, F. and R.L. Mulvaney. (1995). Effect of ammonium and nitrate on mineralization of N from leguminous residues. Biol. Fertil. Soils. 18(20), 49-52.

  81. Azam, F. and S.Farooq. (2001). Impact of elevated atmospheric CO2 on crop plants - an overview. Pak. J. Biol. Sci. 4, 220-224.

  82. Azam, F., A. Lodhi and M. Ashraf. ( 1991). Interaction of 15N-labelled ammonium nitrogen with native soil nitrogen during incubation and growth of maize (Zea mays L.). Soil Biol. Biochem. 23, 473-477.

  83. Azam, F., A. Lodhi and M. Ashraf. (1991). Availability of soil nitrogen and fertilizer nitrogen to wetland rice following wheat straw amendment. Biol. fertil. Soils. ii, 97-100.

  84. Azam, F., A. Lodhi and M. Ashraf. (1994). Uptake of soil N and fertilizer N by different varieties of rice at two root-zone temperature regimes. In Nuclear Techniques in Soil-Plant Studies for Sustainable Agriculture and Environmental Preservation. IAEA, Vienna, Austria.  pp. 499-506.

  85. Azam, F., A. Lodhi, M. Ashraf and M.I. Sajjad. (1993). Influence of increasing levels of ammonium on mineralization of soil nitrogen and their interaction with native N in three illinois Mollisols. Pak. J. Agric. Res. 14, 22-28.

  86. Azam, F., C.Mueller, A.Weiske, G.Benckiser and J.C.G.Ottow. (2002). Nitrification and denitrification as sources of atmospheric N2O - role of oxidizable C and applied N. Biol. Fertil. Soils. 35, 54-61.  [go to top]

  87. Azam, F., C.Mueller, G.Benckiser and J.C.G. Ottow. (2001). Release, movement and recovery of 3,4 dimethyl pyrazole phosphate (DMPP), ammonium, and nitrate from stabilized nitrogen fertilizer granules in a silty clay soil under laboratory conditions. Biol. Fertil. Soils. 34, 118-125.

  88. Azam, F., F. Fuhr and W. Mittelstaedt.(1988). Fate of (carbonyl-14C) methabenzthiazuron in an arid region soil. Effect of  organic amendment, soil disturbance and chloroform fumigation. Plant and Soil. 107, 149-158.

  89. Azam, F., F. Hussain and K.A. Malik. (1988). Changes in microbial biomass during soil incubation. Pak. Agric. Res. 9, 379-385.

  90. Azam, F., F. Hussain and K.A. Malik. (1988). Contribution of microbial biomass and fungal material to soil humus. Sarhad J. Agric. Res. 4, 521-527.

  91. Azam, F., F.J. Stevenson and R.L. Mulvaney. (1989). Chemical extraction of newly immobilized 15N and native soil N as influenced by substrate addition rate and soil conditions. Soil Biol. Biochem. 21, 715-722.

  92. Azam, F., F.W. Simmons and R.L. Mulvaney. (1994).  Immobilization of ammonium and nitrate and their interaction with native N in three illionois Mollisols. Biol. Fertil. Soils. 15, 50-54.

  93. Azam, F., F.W. Simmons and R.L. Mulvaney. (1994). Effect of ammonium fixation and displacement on the added nitrogen interaction in incubation experiments. Biol. Fertil. Soils. 18, 99-102.

  94. Azam, F., F.W. Simmons and R.L. Mulvaney. (1994). Mineralization of N from plant residues and its interaction with native soil N. Soil Biol. Biochem. 25, 1787-1792.

  95. Azam, F., F.W. Simmons and R.L. Mulvaney. (1994). The effect of inorganic nitrogen on the added nitrogen interaction of soils in incubation experiments. Biol. Fertil. Soils. 18, 103-108.

  96. Azam, F., K. Haider, and K.A. Malik. (1985). Transformation of 14C labelled plant residues and components in soil and their impact on immobilization-remineralization and stabilization of fertilizer 15N. Plant and Soil.  86, 3-13.

  97. Azam, F., K.A. Malik and F. Hussain. (1986). Microbial biomass and mineralization-remineralization of nitrogen in some agricultural soils. Biol. Fertil. Soils. 2, 157-163.

  98. Azam, F., K.A. Malik and M.I. Sajjad. (1985). Transformation and plant availability of 15N applied to soil as ammonium sulphate and in the organic forms. Plant and Soil. 86, 15-25.[go to top]

  99. Azam, F., K.A. Malik and M.I. Sajjad. (1986). Uptake by wheat plants and turnover within soil fractions of residual N from leguminous plant material and inorganic fertilizer. Plant and Soil. 95, 97-108.

  100. Azam, F., M. Ashraf and A. Lodhi. (1993). Relative significance of soil and fertilizer nitrogen to nitrogen nutrition of wheat following rice-straw amendment. Pak. J. Soil Sci. 7, 50-54.

  101. Azam, F., M. Ashraf and A. Lodhi. (1995).  Significance of preanthesis and postanthesis N assimilation in determining grain yield and grain in N yield in wheat. Pak. J. Sci. Ind. Res. 38, 81-84.

  102. Azam, F., M. Ashraf, A. Lodhi and M.I. Sajjad. (1990). Availability of soil N and fertilizer N to wheat following rice straw amendment. Biol. Fertil. Soils. 10, 134-138.

  103. Azam, F., M. Ashraf, A. Lodhi and M.I. Sajjad. (1991). Relative  significance of soil and fertilizer in nitrogen nutrition and growth performance of wetland rice (Oryza sativa L.) Biol. fertil. Soils.  2, 57-61.

  104. Azam, F., M. Ashraf, A. Lodhi and M.I. Sajjad. (1993).  Cultivar differences of wheat (Triticum aestivum L.) in nitrogen use efficiency. Pak. J. Sci. Ind. Res. 36, 420-423.

  105. Azam, F., M. Yousaf and T. Mahmood. (1994). Response of rice and wheat to application of kallar grass compost and urea under field conditions. Sarhad J. Agri. Res. 10: 707-712.

  106. Azam, F., M. Yousaf, F. Hussain and K.A. Malik. (1989). Determination of microbial biomass in some agricultural soils of Punjab, Pakistan. Plant and Soil.  113, 223-228.  [go to top]

  107. Azam, F., M. Ashraf, A. Lodhi and A. Gulnaz.(1999). Utilization of sewage sludge for enhancing agricultural productivity. Pak .J. Biol. Sci. 2, 370-377.

  108. Azam, F., R.L. Mulvaney and F.J. Stevenson. (1989).  Transformation of 15-N labeled leguminous material in three contrasting soils. Biol. Fertil. Soils. 8, 54-60.

  109. Azam, F., R.L. Mulvaney and F.J. Stevenson. (1989). Chemical distribution and fate of non-symbiotically fixed N in three contrasting soils. Soil Biol. Biochem. 21, 849-855.

  110. Azam, F., R.L. Mulvaney and F.J. Stevenson. (1989). Quantification and potential availability of non-symbiotically fixed 15N in soil. Biol. Fertil. Soils. 7, 32-38.

  111. Azam, F., R.L. Mulvaney and F.J. Stevenson. (1989). Synthesis of 15N-labelled microbial biomass in soil in situ and extraction of biomass N. Biol. Fertil. Soils. 7, 180-185.

  112. Azam, F., R.L. Mulvaney and F.J. Stevenson. (1998). Determination of in situ Kn by chloroform fumigation incubation method and mineralization of biomass under anaerobic conditions. Plant and Soil. 111, 87-93.

  113. Azam, F., T. Mahmood  and K.A. Malik. (1988). Immobilization-remineralization of NO3-N and total N balance during decomposition of glucose, sucrose and cellulose in soil. Plant and Soil. 107, 159-163.

  114. Beekma, J., W. Beekman, J. Akhter and T. Boers (1992). Field determination of soil hydraulic properties of a moderately coarse soil from Punjab, Pakistan. Report No. 42. Netherlands Res. Assistance Project, Lahore. pp.1-60.

  115. Bhatti, T.M.,  K. Mahmood and  K.A. Malik. (1999). Accumulation of uranium in Raphanus sp. Pak. J. Bot. 31, 343-346.

  116. Chaudhry, F.M. and J.F. Loneragan. (1972). Zinc absorption by wheat seedlings: II. Inhibition by hydrogen ions and by macronutrient cations. Soil Sci. Soc. Am. Proc. 36, 327-331.[go to top]

  117. Chaudhry, F.M. and J.F.Loneragan. (1972). Zinc absorption by wheat seedlings: I. Inhibition  by macronutrient ions in short term experiments and its relevance to long term Zn nutrition. Soil Sci.Soc.Am.Proc. 36, 323-327.

  118. Chaudhry, F.M. and J.F.Loneragan. (1972). Zinc absorption by wheat seedlings and the nature of its inhibition by alkaline earth. J. Exp. Bot. 23, 552-560.

  119. Chaudhry, F.M., A. Latif, A. Rashid and S.M. Alam. (1976). Response of the rice varieties to field application of micronutrient fertilizers. Pak. J. Sci. Ind. Res. 19:131-139.

  120. Chaudhry, F.M., F. Hussain and A. Rashid. (1977). Micronutrient availability to cereals from calcareous soils. VI. Phosphorous-zinc interaction in rice. Plant & Soil. 47, 297-302.

  121. Chaudhry, F.M., F. Hussain, A. Rashid and S.M. Alam. (1976).  In the mechanism of P-Cu interaction in corn and flooded rice on calcareous soil. Pak. J. Sci. Ind. Res. 19:140-143.

  122. Chaudhry, F.M., M.A. Kausar, A. Rashid., and Rahmatullah. (1977). Mechanism of N effect on Zn nutrition of flooded rice. Plant & Soil. 46, 649-654.

  123. Chaudhry, F.M., M.A. Kausar, S.M. Alam and M. Sharif. (1978). Comparison of four extraction methods for the estimation of available copper from flooded rice and wheat. Pak. J. Sci. Ind. Res. 21:216-220.

  124. Chaudhry, F.M., S.M. Alam, A. Rashid and A. Latif. (1977). Micronutrient availability to cereals from calcareous soils. IV. Mechanism of differential susceptibility of 2 rice varieties to Zn deficiency. Plant & Soil. 46, 637-642.

  125. Chaudhry, F.M., S.M. Alam, M.A. Kausar and A. Rashid. (1978). Comparison of four extraction methods for the estimation of available zinc for wheat. Pak. J. Sci. Ind. Res. 21:39-42.

  126. Chaudhry, F.M.,M.Sharif, A. Latif  and A.R.Qureshi. (1973). Zinc-copper antagonism in the nutrition of rice (Oryza sativa L.). Plant and Soil, 38 (3), 573-580.

  127. Chaudhry,F.M. J.F. Loneragan. (1970). Effects of nitrogen, copper and zinc fertilizers on the copper and zinc nutrition of wheat plants. Aust.J.Agric.Res.21,865-79.

  128. Chaudhry,F.M., M. Sharif,A. Latif and M. Tahir.(1974). Effect of premixing of copper sulphate with farmyard manure on the availability of copper to wheat  plants. Pak. J. Sci. Res. 17(2-3), 82-84.        

  129. Haider, K. and F. Azam. (1982). Turnover of 14C labelled plant components and 15N ammonium sulphate in soil. Z. Pflanzenernaaher. Bodenkd. 146, 151-159.

  130. Hamid, A and M. Ahmad. (1989). Suppression of ammonia volatilization through fertilizer modifications: II. Effect of phosphate salts. Pak. J. Agri. Sci. 26, 53-60.

  131. Hamid, A. (1972). Effect of time and rate of application on uptake of fertilizer N by wheat. Exp. Agri. 9, 14-20.

  132. Hamid, A. (1972). Efficiency of N uptake by wheat as affected by time and rate of application, using N-15 labelled ammonium sulphate and sodium nitrate. Plant & Soil. 37, 389-394.[go to top]

  133. Hamid, A. (1972).Effect of time and rate of application on uptake of fertilizer N by wheat. Exp. Agri. 9, 59-62.

  134. Hamid, A. (1988). A simple porous ceramic cup soil water sampler. Pak. J. Sci. Ind. Res. 31, 301-302.

  135. Hamid, A. (1988). Leaching of chloride in soil columns. Pak. J. Sci. Ind. Res. 31, 97-101.

  136. Hamid, A. And B.P. Warkentin. (1971). Salt movement and distribution in soil columns. Pak. J. Sci. Ind. Res. 23, 143-146.

  137. Hamid, A. and G. Sarwar. (1978). Effect of method and time of application on P uptake in cotton from P-32 labelled superphosphate. Pak. J. Sci. Ind. Res. 21, 200-203.

  138. Hamid, A. and G. Sarwar. (1983). Effect of split application of P on P uptake in cotton from P-32 labelled superphosphate. Pak. J. Sci. Ind. Res. 26, 23-26.

  139. Hamid, A. and M. Ahmad. (1987). Volatilization loss from nitrogen fertilizers in alluvial alkaline soils. Pak. J. Agri. Sci. 24, 129-139.

  140. Hamid, A. and M. Ahmad. (1988). Suppression of ammonia volatilization from urea through fertilizer modifications: I. Effect of ammonium salts. Pak. J. Agr. Sci. 25, 101-109.

  141. Hamid, A. and M. Ahmad. (1990). Isotopic and non-isotopic estimations of fertilizer nitrogen uptake by wheat. Pak. J. Sci. Ind. Res. 33, 107-109.

  142. Hamid, A. and M. Ahmad. (1991). Effect of different factors on ammonia volatilization loss of nitrogen from urea in alluvial soils. Pak. J. Agr. Sci. 28, 165-169.[go to top]

  143. Hamid, A. and M. Ahmad. (1991). Nitrogen requirement of cotton NIAB-78 and NIAB-86 after excessive flower and boll shedding. Pak. J. Agr. Sci. 28, 75-78.

  144. Hamid, A. and M. Ahmad. (1993). Priming effects of 15N labelled ammonium nitrate on uptake of soil N by wheat (Triticum aestivum L.) under field conditions. Biol. Fertil. Soils. 15, 297-300.

  145. Hamid, A. and M. Ahmad. (1994). Effects of 15N labelled ammonium nitrate and urea on soil nitrogen during growth of wheat Triticum aestivum L.) under field conditions. Biol. Fertil. Soils. 17, 232-236.

  146. Hamid, A. and M. Ahmad. (1995). Interaction of 15N-labelled ammonium nitrate, urea, and ammonium sulphate with soil N during growth of wheat (Triticum aestivum L.) under field conditions. Biol. Fertil. Soils. 20, 185-189.

  147. Hamid, A. and M. Ahmad. (1996). Relative significane of NH4+ and NO3 for wheat (Triticum aestivum L.)growing in field fertilized with ammonium nitrate selectively labelled with 15N. Pak. J. Soil Sci. 12, 29-34.

  148. Hamid, A., M. Ahmad and M. Yaqub. (1998). Behaviour of nitrogen fertilizer in alkaline calcareous soils. Pak. J. Soil Sci.15(3‑4), 56‑61.

  149. Hamid, A., M. Ahmad and M. Yaqub. (1998). Effect of hydrolysis of urea on pH of alkaline soils under different cropping  systems. Pak. J. Soil Sci. 15(3‑4), 62‑66.

  150. Hamid, A., M. Ahmad and M. Yaqub. (1998). Effect of phosphate fertilizer on ammonia volatilization from urea in alluvial  alkaline soil. Pak. J. Soil Sci. 15(3‑4), 52‑55.  [go to top]

  151. Hamid, A., M. Yaqub and M. Ahmad. (1999). Michaelis constant of  urease in alluvial alkaline soils under different cropping  system. Pak. J. Soil Sci.16(1‑2), 1‑4.

  152. Herman, D.J., P.D. Brookds, M. Ashraf, F. Azam and R.L. Mulvaney. (1995). Evaluation of methods for nitrogen-15 analysis of inorganic nitrogen in soil extracts. II. Diffusion methods. Commun. Soil Sci. Pl. Analy. 26, 1675-1685.

  153. Hussain,  F., K.A. Malik and A. Haq. (1991). Evaluation of commercial grade potassium sulphate, sodium suphate and copper sulphate for use in Kjeldahl nitrogen analysis of soil and plant materials. Pak. J. Sci. Ind. Res. 34, 152-154.

  154. Hussain, F. (2002). Nitrogen fertilizers for sustainable high crop productivity. In: Proc. Nat. Workshop on “Technologies for Sustainable Agriculture”, Sept. 24 to 26, 2001, (Eds. Azam, F., M. M. Iqbal, C. Inayatullah and K.A. Malik), NIAB, Faisalabad, Pakistan. pp.117-129.

  155. Hussain, F. and  K.A. Malik. (1985). Evaluation of alkaline permanganate method and its modification as an index of  soil nitrogen availability. Plant and Soil. 84, 279-282.

  156. Hussain, F. and A. Rashid . (1977). Zinc-Iron interaction in calcareous soils. Pak. J. Sci. ind. Res. 20, 406-408.

  157. Hussain, F. and A. Rashid. (1977). Effect of calcium carbonate on DTPA‑ extractable zinc in two upland soils. Pak. J. Sci. Ind. Res. 20, 405‑406.

  158. Hussain, F. and A. Rashid. (1978). Changes in DTPA‑extractable Zn, Cu, Fe and Mn in two alkaline calcareous soils followed by sucrose application. Pak. J. Sci. Ind. Res. 21, 80‑82.

  159. Hussain, F. and A. Rashid. (1978). Zn-Mn interrelations  in calcareous soils. Pak. J. Sci. Ind. Res. 21, 143-144.

  160. Hussain, F. and A. Rashid. (1979). Changes in DTPA‑extractable Zn, Cu, Fe and Mn in two alkaline calcareous soils following N fertilization. Pak. J. Sci. Ind. Res. 22, 70‑72.

  161. Hussain, F. and A. Rashid. (1979). On the role of soil medium in P‑induced Zn deficiency in plants. Pak. J. Sci. Ind. Res. 22, 116‑117.

  162. Hussain, F. and A. Rashid. (1979). The fate of soils applied Zn and the effect of selected  soil properties on Zn availability in alkaline calcareous soils. Pak. J. Sci. Ind. Res. 22, 64-69.

  163. Hussain, F. and K. A. Malik.  (1990). Evaluation of chemical methods for obtaining an index  of soil nitrogen availability in upland soils. In: Proc. Second Nat. Congress, Soil Science Society of Pakistan,  Lahore. pp. 220‑225.

  164. Hussain, F. and K.A. Malik. (1983). Ammonia volatilization losses from a flooded rice soil system. Pak. J. Agr. Res. 4, 126-130.

  165. Hussain, F. and K.A. Malik. (1983). Comparison of two methods of nitrogen application in lowland rice using nitrogen-15 tracter technique, Pak. J.Agr. Res. 4, 1-5.[go to top]

  166. Hussain, F. and K.A. Malik. (1983). Mineralizable nitrogen as an index of soil nitrogen availability. Pak. J. Sci. Ind. Res. 26, 95-99.

  167. Hussain, F. and K.A. Malik. (1985). Modification of the acid permanganate method for obtaining an index of soil nitrogen availability. Plant and Soil. 84, 143-146.

  168. Hussain, F. and K.A. Malik. (1994). Improving nitrogen fertilizer efficiency in soils of Pakistan. Proc. 4th Natl. Cong. Soil Sci., Islamabad. pp. 73-77.

  169. Hussain, F.,  K.A. Malik and M.H.Naqvi. (1994). A critical study of the digestion conditions and soil mesh size for the determination of total nitrogen in soils by the Kjeldahl method using aluminum block digester. Pak. J. Soil Sci. 9, 27-31.

  170. Hussain, F., J.M. Bremner and K.A. Malik. (1990). Measurement of denitrification in Pakistani soils by acetylene blockage technique. Pak. J. Agric. Res. 11, 211-215.

  171. Hussain, F., J.M. Bremner and K.A. Malik. (1990). Urease activity in some Pakistani soils. Pak. J. Agric. Res. 11, 59-64.

  172. Hussain, F., K. A. Malik and M. H. Naqvi. (1994). A comparative study of different methods for obtaining an index of nitrogen availability in upland soils. Pak. J. Sci. Ind. Res. 37, 258‑264.

  173. Hussain, F., K.A. Malik and F. Azam. (1984). Evaluation of acid permanganate ex-traction as an index of soil  nitrogen availability. Plant and Soil. 79, 249-254.

  174. Hussain, F., K.A. Malik and F. Azam. (1985). Evaluation of some chemical indexes of nitrogen availability in upland soils. In Proc. Int. Symp. Nitrogen and the Environment at Lahore, Jan. 4-12, 1984.(Malik,  K.A., S.H.M. Naqvi and M.I.H. Aleem, Eds.), NIAB, Faisalabad.  pp. 327-332.

  175. Hussain, F., K.A. Malik and F. Azam. (1992). Use of commercial grade chemical for the determination of  Kjeldahl nitrogen in soils and plant materials. In: Proc. 3rd Natl. Cong. Soil Sci., Lahore. pp. 388-394.

  176. Hussain, F., K.A. Malik, F. Azam and A. Haq. (1990). Use of commercial grade sulphuric acid and sodium hydroxide for the determination of Kjeldahl nitrogen in soil and plant materials. Pak. J. Sci. Ind. Res. 33, 125-126.

  177. Hussain, F., Rahmatullah and A. Rashid.(1979). Effect of Mg application on Zn uptake by maize and on its (Zn) availability in alkaline calcareous soils. Pak. J. Sci. Ind. Res. 22, 73-75.

  178. Idris, M. and   M. M.  Iqbal. (2001). Improving yield and nitrogen nutrition of maize (Zea mays, L.) through azobacterization and sulphur fertilization. Sci. Int. (Lahore). 13(2), 155- 159.

  179. Idris, M. and Chaudhry A.H. (1985). Effect of Rhizobium inoculation and the application of phosphorus and potash on the yield, nodulation response and nitrogen fixing efficiency of vegetable pea. In Proc. Int. Symp. Nitrogen and the Environment, at Lahore. Jan. 7-12, 1984. pp. 301-308.

  180. Idris, M. and G.R. Sandhu. (1983). The effect of Rhizobium inoculation and application of varying levels of potash on the yield, growth and N2-fixing efficiency of chickpea, Potash Review. 13,7.[go to top]

  181. Idris, M. and G.R. Sandhu.(1984). Effect of Rhizobium inoculation on the growth yield and N2-fixing efficiency of lentils. The Nucleus. 21, 41-45.

  182. Idris, M. and K. Haider. (1984). The effect of potach on yield nodulation and nitrogen fixing capacity of berseem. Potash Review. 7,  6.

  183. Idris, M. and T. Mahmood. (1995). Effect of sulphur and Rhizobium inoculation on the growth, nodulation and N2 fixing capacity of lucern under continuous cultivation of rice-wheat roation. Sci. Int. 7, 229-231.

  184. Idris, M., A. Zab and M.M. Iqbal. (2001). Response of fodder legumes berseem (Trifolium alexandrinum, L.), shaftal (T.reasupinatum, L) and lucerne (Medicago sativa, L.) to sulphur fertilization for nodulation, forage yield and nitrogen fixation. Sci. Int. (Lahore). 13(2), 185-188.

  185. Idris, M., F. Azam and G.R.Sandhu.(1977). Salt tolerance studies of Hijazi Lucerne (Medicago sativa) and the effect of its growth on the physico-chemical properties of salt affected soils. Nucleus 14: 33-40.

  186. Idris, M., M. Ashraf and K.A. Malik. (1986). Response of lentil (Lens culinaris, Medic)  to Rhizobium inoculation and phosphorus application under field conditions. Sarhad  J. Agr. 2, 145-153.  [go to top]

  187. Idris, M., M.M. Iqbal and S.M. Shah. (2001). Food Production and Environmental Hazards in Pakistan. Sci. Int. (Lahore). 13(4), 365-376.

  188. Idris, M., S.M. Shah, W. Mohammad and M.M. Iqbal. (2001). Integrated use of organic and mineral N, and phosphorus on  the yield, yield components, N and P uptake by wheat.  Pak. J.Soil Sci. 20, 77-80.

  189. Idris, M., T. Mahmood and K.A. Malik. (1989). Response of field grown chickpea (Cicer arietinum L.) to phosphorus fertilization for yield and nitrogen fixation. Plant and Soil. 114, 135-140.

  190. Idris, M., T. Mahmood and K.A. Malik. (1995). Response of berseem (Trifolium alexandrimum), shaftal (Trifolium resupindatum) and lucern (Medicago sativa) to phosphorus application for yield, nodulation and nitrogen fixation. The Nucleus. 32:71-75.

  191. Iqbal, M., K. Ahmed, I. Ahmad, M. Sadiq and M.Y. Ashraf. (1999). Yield and yield components of durum wheat (Triticum durum Desf.) as influenced by water stress at various growth stages. Pak. J. Biol. Sci. 2, 1438-1440.

  192. Iqbal, M.M. (2000). Resume and Recommendations on Integrated  Nutrient Management. In: Integrated Plant Nutrition Management (Eds. N. Ahmad and A. Hamid). NFDC, Islamabad. pp. 319-323.

  193. Iqbal, M.M., S.M. Shah, W. Mohammad and H. Nawaz. (2000). Growth parameters of young plum orchard as influenced by timing of nitrogen application.  Integrated Plant Nutrition Management (Eds. N. Ahmad and A. Hamid). NFDC, Islamabad.  pp. 312-315.

  194. Iqbal, Z., S.M. Alam, A. Hussain, M.R. Asi and J.A. Chaudhry. (2001). Effect of repeated use of pesticides on soil dehydrogenase activity in cotton fields. Pak. J. Soil Sci. 19:51-57.

  195. Jeschke, D.W., S. Klagges, A. Helpert, A.S. Bhatti and G. Sarwar. (1995). Partitioning and flows of ions and nutrients in salt treated plants of Leptochloa fusca (L). Kunth I. Cations and chloride. New Phytologist. 130, 23-35.

  196. Kausar, M. A. and B. Cartwright. (1984). Response of barley, wheat and lucerne to high concentrations of soluble boron in soils. Proc. of Nat. Soils Conference, Brisbane, Australia. p. 340.[go to top]

  197. Kausar, M.A. (1998). Boron tolerance in six rice varieties. Pak.  J. Soil Sci. 15(3‑4), 116‑120.

  198. Kausar, M.A. (1998). Comparison of four extraction methods for soil B estimation. Proc. Symp. Plant Nutrition Management for Sustainable Agricultural Growth., NFDC, Islamabad.pp.203‑ 209.

  199. Kausar, M.A. (1998). Differential susceptibility of eleven rice varieties to low soil Zn and Cu. Pak. J. Soil Sci. 14(1‑ 2), 50‑53.

  200. Kausar, M.A. (1999). Nutritional status and response of chickpea to Zn and B. Proc. of Adv. Tr. Course "Breeding of Grain Legume Crops for Higher Yield, Wider Adaptability and Stress Resistance". NIAB. pp.89‑96.

  201. Kausar, M.A. (2000). Boron nutrition of rice, wheat and maize in alkaline calcareous soils. Ph.D. Thesis.

  202. Kausar, M.A. and A. Hamid.  (1998). Susceptibility of fourteen  wheat varieties to low soil Cu. Pak. J. Soil Sci. 15(3‑4), 135‑139.

  203. Kausar, M.A. and A. Rashid. ((2001). Micronutrients in crops production. Proc. Nat.  Workshop “Technolgoies for sustainable agriculture. (Eds. Azam et al.). NIAB, Sept. 24-26. pp. 161-166

  204. Kausar, M.A. and A. Rashid. (1999). Comparison of two Zn sources and application time to correct Zn deficiency in rice and  wheat. Pak. J. Soil Sci. 16, 137‑142.

  205. Kausar, M.A. and M. Sharif. (1986). Comparison of various Zn application methods and their effect on Zn uptake and other nutrient elements in maize plants. Pak. J. Sci. Ind. Res. 29, 291-294.

  206. Kausar, M.A. and S. Muhammad. (1972). Comparison of biological and chemical methods for reclaiming saline sodic soils. Pak. J. Sci. Res. 24: 252-261.

  207. Kausar, M.A., A. Hamid and M. Tahir. (1990). Differential susceptibility of eight wheat varieties to B deficiency. Pak. J. Soil Sci. 5,5-7.

  208. Kausar, M.A., A. Hamid, M. Tahir and M. Aslam. (1990). Boron toxicity in wheat. Pak. J. Soil  Sci. 4, 1-3.[go to top]

  209. Kausar, M.A., and M. Tahir. (1994). Susceptibility of eleven wheat cultivars to Zn and Cu deficiency. 4th Nat. Cong. Soil Sci. Islamabad, Pakistan. pp. 160-175.

  210. Kausar, M.A., F. Hussain, K.A. Malik and M. Tahir. (1992). Comparison of three extraction methods for soil B estimation. Proc. 3rd Nat. Cong. Soil Sci., Lahore, Pakistan. pp. 337-341.

  211. Kausar, M.A., F. Hussain, S. Ali and M.M. Iqbal. (2001). Zinc and Cu nutrition of  two wheat varieties on calcareous soils. Pak. J. Soil Sci. 20(3), 21-26.

  212. Kausar, M.A., F.M. Chaudhry, A. Rashid, A. Latif and S.M. Alam. (1976). Comparative zinc and copper deficiency and their material interaction in rice and wheat. Pl. Soil 45:397-410.

  213. Kausar, M.A., F.M. Chaudhry, A. Rashid, A. Latif and S.M. Alam. (1976). Effects of rates and carriers of N on yield and Cu availability to rice and corn on two calcareous soils. Pak. J. Sci. Ind. Res. 19:80-85.

  214. Kausar, M.A., M. Sadiq, M.A. Khan, M. Hassan and M.A. Haq. (2000). Nutritional status and susceptibility of advanced chickpea germplasm to low soil Zn and B. Pak. J. Bio. Sci. 3(3), 473 - 477.

  215. Kausar, M.A., M. Tahir and A. Hamid. (1990). Comparison of three methods for the estimation of soil available B for maize. Pak. J. Sci. Ind. Res. 33, 221-224.

  216. Kausar, M.A., M. Tahir and A. Hamid. (1991). Rice response to high soil B and role of Ca in rice resistance of B. Pak. J. Soil Sci. 6(1-2), 1-4.

  217. Kausar, M.A., M. Tahir and A. Hamid. (1992). Boron tolerance in eleven wheat varieties. Pak. J. Soil Sci. 7, 43-46.

  218. Kausar, M.A., M. Tahir and M. Sharif. (1988). Evaluation of various methods for  the  estimation of  available B  for  wheat. Proc. Nat. Sem.  on "Micronutrients in Soils and Crops in Pakistan". pp. 132-138.

  219. Kausar, M.A., M. Tahir and M. Sharif. (1990). Boron tolerance in wheat. Proc. 2nd Nat. Cong. Soil Sci. pp. 128-132.

  220. Kausar, M.A., M. Tahir, A. Hamid and M. Aslam. (1989). Trace element nutrition of miaze under saline conditions. Pak. J. Soil  Sci. 26, 264-271.

  221. Kausar, M.A., M. Tahir, R. Ahmed and A. Hamid. (1991). Boron tolerance in five barley varieties. Pak. J. Soil Sci. 6(3-4), 1-4.

  222. Kausar, M.A., M. Tahir, R. Ahmed and A. Hamid. (1994).  Susceptibility of six rice varieties to B deficiency. Pak. J. Soil  Sci. 9, 100-103.[go to top]

  223. Kausar, M.A., M.A. Khan and G.R.  Tahir. (1999). Susceptibility of eight varieties of maize to low soil copper. Pak. J.  Soil  Sci.  16. 143-147.

  224. Kausar, M.A., S. Ali and M.M. Iqbal. (2001). Copper and boron nutrition of three rice varieties on alkaline calcareous soils. Pak. J. Soil Sci. 20, 15-20.

  225. Kausar, M.A., S. Ali and M.M. Iqbal. (2001). Zinc nutrition of  three rice varieties in alkaline calcareous soils. Pak. J. Soil Sci. 20, 9-14.

  226. Kausar, M.A., S.M. Alam, M. Sharif and M.I. Pervaz. (1979). Micronutrient status of Pakistan soils. Pak. J. Sci. Ind. Res. 22, 156-161.

  227. Khalil, S.A,  N. Badshah, M. A. Kausar and S.A. Shah. (2000). Response of tomato to different N fertilizers alone and in combination with P and K. Sarhad J. Agri. 117(2):213-217.

  228. Khan, H., M. Idris, S.M. Shah and M.M. Iqbal. (2001). Establishment of natural nodulation and N2-fixation in soybean by repeated cultivation and periodic inoculation. Pak. J. Soil Sci. 20, 73-76.

  229. Khan, N. H., A. H. Sayegh, and M.I. Raja.(1983). Comparison of methods for the extraction and determination of exchangeable cations. Pak. J. Agr. Res. 4(2). 131-133.

  230. Khan, N.H., M.I. Raja and G.R. Tahir (1980). Interaction studies on Nitrogen, Phosphorus and Zinc application to corn under field conditions. Pak. J. Agri. Res. 1(2):119-124.

  231. Khan, N.H. (1982). Organo-Mineral complexes in soils with special reference to Mollisols (Forest-Steppe Soils). Pak. J. Sci. 34, 47-52.

  232. Klagges, S., A.S. Bhatti,  G. Sarwar, A. Gilper and D.W. Jeschke. (1993). Ion distribution in relation to leaf age in Leptochloa fusca L. Kunth (Kallar grass) II. Anions. New Phytologist. 124, 521-528.  [go to top]

  233. Kukab, D., M. Shafiq, Z.M. Khalid, A. Hussain and K.A. Malik. (1990). Comparative studies on emulsification and biodegradation of indigenous crude oil by enriched bacterial culture. Biorecovery. 2, 55-68.

  234. Latif, A., A. Hamid, S.M. Alam and Z. Iqbal. (1998). Use of industrial waste and by‑product as a P source for improving crop production. Pak. J. Soil Sci. 14(1‑2), 63‑65.

  235. Latif, A., M. Sharif and S.M. Alam. (1986). Phosphate uptake studies by tracer technique on cotton and maize. The Nucleus. 23, 35-36.

  236. Latif, A., M.A. Kausar, S.M. Alam and M. Sharif. (1986). Phosphorus and Zinc nutrition of triticale and wheat  on an alkaline calcareous soil. Pak. J. Sci. Ind. Res. 29, 452-455.

  237. Latif, A., S.M. Alam and M. Sharif. (1988). The effect of P, Zn and Cu fertilization on the growth and nutrient composition of Kallar grass. Proc. Nat. Seminar on" Micronutrients in Soils and Crops in Pakistan". pp. 239-245.

  238. Latif, A., S.M. Alam, A. Hamid and Z. Iqbal. (1994). Effect of rate and time of N application on yield of two coton varieties. Pak. J. Soil Sci. 9, 18-21.

  239. Latif, A., S.M. Alam, Z. Iqbal and A. Hamid. (1994). Effect of rate, time and method of application of phosphorus fertilizer on wheat crop. Proc. 4th Nat. Cong. Soil Sci. Islamabad, Pakistan. pp. 299-304.

  240. Latif, A., S.M. Alam, Z. Iqbal and A. Hamid. (1998). Use of  industrial waste and by‑product as a P source for improving  crop production. I. Effect of P rate and  sources on wheat, chickpea and lentil crops. Proc. Symp. on "Plant Nutrition Management for Sustainable Agricultural Growth", NFDC, Islamabad. pp.267‑273.

  241. Latif, A., S.M. Alam, Z. Iqbal and S. A. Shah. (2001). Effect of fertigation applied nitrogen and phosphorus on yield and composition of maize. Pak. J. Soil Sci. 19, 23-26.

  242. Latif, A., S.M.Alam,  A.Hamid and M.Sharif. (1991).Comparison of P fertilizers and their application methods for maize crop. Pak. J. Soil Sci. 6(1-2):29-30.

  243. Latif, A., S.M.Alam, A.Hamid and Z.Iqbal. (1997). Relative efficiency of phosphorus applied through broadcast incorporation, top dressing and fertigation to crops. Pak. J. Soil Sci. 13(1-4):15-18. [go to top]

  244. Lodhi, A. and F.Azam.(1998). Yield and nitrogen uptake of wheat (Triticum aestivum L.) as affected by nitrapyrin and a nitrification inhibiting insecticide. Cer. Res. Commun. 26, 305-312.

  245. Lodhi, A. and F.Azam.(2002). Effect of Baythroid (an insecticide) on growth and nitrogen nutrition of maize. Pak. J. Agron. 1: 38-40.

  246. Lodhi, A.,  M.Ashraf, F. Hussain and F. Azam. (1996). Evaluation of commercial sodium chloride as extractant of ammonium nitrogen from soil. Pak. J. Soil Sci. 10, 19-22.

  247. Lodhi, A., N.N. Malik and F. Azam. (1996). Growth and nitrogen nutrition of maize (Zea  mays  L.) in soil treated with the nitrification inhibiting insecticide Baythroid. Biol. Fertil. Soils. 23, 161-165.

  248. Lodhi, A., N.N. Malik and F. Azam. (1996). Growth and nitrogen nutrition of rice (Oryza sativa L.) in soil treated with N-serve and nitrification inhibiting insecticide. Pak. J. Bot. 28, 75-83.

  249. Lodhi, A., N.N.Malik  and F.Azam.(1994). Effect of baythroid on nitrogen transformations in soil. Biol. Fertil. Soils. 17: 173-176.

  250. Lodhi, A., N.N.Malik and F.Azam.(1998). Inhibition of nitrification in soil by baythroid and its comparison with N-Serve. Pak.J. Sci. Ind. Res. 41, 212-216.

  251. Lodhi, A., N.N.Malik and F.Azam.(1999). Binding and movement of cyfluthrin in soil columns containing clay and organic matter. Pak. J. Soil. Sci. 17, 89-96.

  252. Lodhi, A., N.N.Malik and F.Azam.(2000). Absorption, movement and metabolism of 14C-cyfluthrin in cotton leaves. Pak. J. Biol. Sci. 3, 515-518.

  253. Lodhi, A., N.N.Malik and F.Azam.(2000). Movement, persistence and uptake by plants of 14C-labelled cyfluthrin. Pak .J..Biol. Sci. 3, 104-109.

  254. Lodhi, A., N.N.Malik, T.Mahmood and F.Azam.(2000). Response of soil microflora, microbial biomass and some soil enzymes to Baythroid (an insecticide). Pak. J. Biol. Sci. 3, 868-871.

  255. Lodhi, A., S.H.M. Naqvi, F. Fuhr and F. Azam. (1996). Degradation of 14C-labelled cyflunthrin in soil and incorporation of 14C into humus fractions as affected by wheat straw amendment and moisture conditions. Pak. J. Sci. Ind. Res. 39, 128-131.

  256. Mahmood, A. and T. Mahmood. (1985). Chemical composition of wood of some Eucalyptus species growing in Pakistan. Pak. J. Bot. 17: 55-59.

  257. Mahmood, A. and T. Mahmood. (1985). Comparison of holocellulose, alfacellulose and lignin contents of trunk and branch wood of some conifers of Pakistan. Pak. J. Forest. 35: 49-51.  [go to top]

  258. Mahmood, A. and T. Mahmood.(1984). Estimation of holocellulose, alfacellulose and lignin contents of wood of some Populus species growing in Pakistan. Pak. J. Bot. 16: 43-48.

  259. Mahmood, K., J. Vanderdeelen and L. Baert.  (1992). Phosphate sorption characteristics and phosphorus availability of three representative Belgian and one Pakistani saline soil. Med. Fac. Landbouw. Univ. Gent.  57, 19-26.

  260. Mahmood, K., J. Vanderdeelen and L. Baert. (1992). Assessment of root activity in ryegrass (Lolium perenne L.) and phosphate uptake from different soil depths using 32P. Pedologie. 42, 57-68.

  261. Mahmood, T. (1997). Studies on the denitrification losses from some irrigated soil-plant systems. Ph. D. Thesis, Department of Botany, University of the Punjab, Lahore.

  262. Mahmood, T., A.S.Bhatti. and K.A.Malik. (1999). Seasonal changes in denitrification potential of an irrigated Sandy-clay loam under a wheat-maize cropping system receiving different fertilizer treatments. Pak. J. Bio. Sci. 2:1451-1454.

  263. Mahmood, T., F. Azam and K.A. Malik. (1985). Decomposition and humification of plant residues by some soil fungi. Biotechnol.  Letters. 7, 207-212.

  264. Mahmood, T., F. Azam and K.A. Malik. (1993). Pattern of denitrification during aerobic incubation of chloroform-fumigated soil. Soil Biol. Biochem. 25, 1637-1638.

  265. Mahmood, T., F. Azam and K.A. Malik. (2001). Denitrification loss from irrigated croplands in the Faisalabad region – A review of the available data. Pak. J. Soil Sci. 19: 41-50.

  266. Mahmood, T., F.Azam, F.Hussain and K.A. Malik.(1997). Carbon availability and microbial biomass in soil under irrigated wheat-maize cropping system receiving different fertilizer treatments. Biol. Fertil. Soils. 25, 63-68.

  267. Mahmood, T., G.R.Tahir, K.A. Malik, and S.R.A. Shamsi.(1998). Denitrification losses from an irrigated sandy-clay loam under wheat-maize cropping system receiving different fertilizer treatments. Biol. Fertil. Soils. 26, 35-42.[go to top]

  268. Mahmood, T., K.A. Malik, S.R.A. Shamsi and M.I.Sajjad.(1998). Denitrification and total N losses from an irrigated sandy-clay loam under maize-wheat cropping system. Plant and Soil. 199, 239-250.

  269. Mahmood, T., M.Woitke, H.Gimmler and W.M.Kaiser. (2002). Sugar exudation by roots of kallar grass [Leptochloa fusca (L) Kunth] is strongly affected by the nitrogen source. Planta. 214: 887-894.

  270. Mahmood, T., R. Ali and Z. Aslam. (2001). Fate of the 15N-labelled urea applied to irrigated wheat grown after cotton harvest under semiarid subtropical conditions. Pak. J.Bot. 33, 389-392.

  271. Mahmood, T., R. Ali and Z.Aslam. (2001). Fate of the 15N-labelled urea applied to irrigated wheat grown after cotton harvest under semiarid subtropical conditions. Pak. J. Bot. 33: 389-392.

  272. Mahmood, T., R.Ali, F.Azam and K.A. Malik.(1999). Comparison of two methods of the acetylene inhibition/soil core method for measuring denitrification loss from an irrigated wheat field. Biol. Fertil. Soils. 28, 328-331.

  273. Mahmood, T., R.Ali, F.Azam and K.A.Malik.(2000). Significance of nitrogen and phosphorus amendments in composting of kallar grass (Leptochloa fusca (L.) Kunth]. Pak. J. Biol. Sci. 3: 95-99.

  274. Mahmood, T., R.Ali, K.A.Malik and S.R.A. Shamsi.(1997). Denitrification with and without maize plants under irrigated field conditions. Biol. Fertil. Soils. 24, 323-328.

  275. Mahmood, T., R.Ali, K.A.Malik and S.R.A. Shamsi.(1998). Nitrous oxide emissions from an irrigated sandy-clay loam cropped to maize and wheat. Biol. Fertil. Soils. 27,189-196.  [go to top]

  276. Mahmood, T., R.Ali, M.I.Sajjad, M.B.Chaudhri, G.R.Tahir and F.Azam.(2000). Denitrification and total fertilizer N losses from an irrigated cotton field. Biol. Fertil. Soils. 31, 270-278.

  277. Malik, K.A. and F. Azam. (1985). Effect of humic acid on wheat (Triticum aesticum) seedling growth. Exp. Environ. Bot. 25, 245-252.

  278.  Malik, K.A. and M.I. Rajoka. (1973). Cellulolytic mycroflora of the rice growing areas  of Punjab. Biologia. 19(1-2),117-119.

  279. Malik, K.A. and Y. Zafar. (1984). Use of 15N natural abundance for quantification of biological nitrogen fixation in Soybeans. In: Advances in Nitrogen Fixation Research Eds. C. Veeger and W.E. Newton. Martinus Nijhoff/Dr. W. Junk. Publishers; The Hague.   p. 38.

  280. Malik, K.A., F.Kauser and F.Azam. (1980). Effect of sodium chloride on the cellulolytic ability of some Aspergilli. Mycologia. 72: 322-328.

  281. Malik, K.A. and S. Ali.(1985). Growth rate and mineralization of Azolla pinnata in low land and upland rice soils. In: Nitrogen and the Environment. Eds. K. A. Malik  et al. Proc. Intl. Symp. W/S on Nitrogen and the Environ­ment. Jan. 7‑12, 1984; NIAB,  Faisalabad. pp. 424-425.

  282. Malik, K.A., S.H.M. Naqvi and M.I.H. Aleem (1985). Nitrogen and the Environment.  Proc.  of International Symposium held at Lahore. Jan. 7-12, 1984.

  283. Mirza, M.S., G.Rasul, S.Mehnaz, J.K.Ladha,  R.B. So, S.Ali and K.A.Malik.(1999). Beneficial effects of inoculated nitrogen-fixing bacteria on rice. In: The Quest for Nitrogen Fixation in Rice. Eds. J.K.Ladha and P.M.Reddy. Publisher; Int. Rice Res. Inst. (IRRI),  Manila, Los Banos, Philippines. pp. 191-204.

  284. Moghal, M.A., J.Beekma, W. Beekman and J. Akhter. (1993). Field determination of soil hydraulic properties for simulation of the optimum water table regime. Irrigation and drainage system. 6:275-290.[go to top]

  285. Moghal, M.A., J.M.H. Handrickrx, J. Beekma, R.A. Waheed, J. Akhter and S.H. Ali. (1992). Field methods for determination of soil hydraulic properties of a medium textured soil (Hafizabad Soil Series). Report No. 24, Netherlands Res.Assistance Proj. (IWASRI), Lahore, Pakistan. PP. 92.

  286. Muhammad, A., M. Yaqub, M. Iqbal and F. Azam. (1989). Utilization of sugarcane bagasse. Pak. Sugar J. 3, 11-14.

  287. Muhammad, S., M.I.  Pervez  and R.H.Qureshi. (1973). Availability of phosphorus in a soil as affected by various nitrogen carriers and calcium carbonate levels. Agri. Pak. 24, 185-194       

  288. Mulvaney, R.L., F. Azam, S.N. Stein and F.W. Simmons. (1992). Chloride interface in total nitrogen analysis by the Kjeldahl method. Commun. Soil Sci. Plant Analy. 23, 1805-1813.  [go to top]

  289. Mulvaney, R.L., M. Ashraf, F. Azam, P.D. Brookds and D.J. Herman. (1994). Evaluation of methods for nitrogen-15 analysis of inorganic nitrogen in soil extracts:I Steam distillation methods. Commun. Soil Sci. Plant Analy. 25, 2187-2200.

  290. Naeem, M., S.D. Baber, A.R. Rao and M.Y. Ashraf. (2000). Status of flora in chinji forest preserves. Pak.J.Biol.Sci. 3,876-880.

  291. Naeem, M., S.D. Baber, M.Y. Ashraf and A.R. Rao. (2000). Status of flora in Lalsohanra park of Cholistan forest preserves. Pak.J.Biol.Sci. 3(10),1838-1846.

  292. Ramatullah and M.A. Kausar. (1984). Effect of Farm Yard Manure on the availability of Zn SO4 in two different textured soils. Pak. J. Sci. Ind. Res. 27, 313-316.

  293. Rashid, A. and F. Hussain. (1978). Zn-Cu inter-relationship in calcareous soils. Pak. J. Sci. Ind. Res. 21, 145-146.

  294. Rashid, A., F. Hussain, Rahmatullah,  A. Latif and M. Sharif. (1979). The extent and severity of Zn and Cu deficiency and their mutual interaction in maize on soils of the Punjab. Pak. J. Sci. Ind. Res. 22, 57-63.

  295. Rashid, A., M.A. Kausar, F. Hussain and M. Tahir. (1999). Alleviating zinc deficiency in transplanted flooded rice in Pakistan. Economical and feasible management technologies. Int. Rice Res. Notes. 24(2),32‑33.

  296. Rashid, A., M.A. Kausar, F. Hussain and M. Tahir. (2000). Managing zinc deficiency in  transplanted flooded rice by nursery enrichment. Trop. Agric. (Trinidad). 77(3), 156-162.

  297. Rashid, A., M.A. Kausar, M. Aslam and M. Ashraf. (1999). An easy and economical method to ameliorate Zn deficiency in rice. Jadid Zarait, May. pp.33‑34.

  298. Saghir, N.S., F.P. Mungwari, R.L. Mulvaney and F. Azam. (1994). Determination of nitrogen by microdiffusion in Mason jars: II. Inorganic nitrogen-15 in soil extracts. Commun. Soil Sci. Plant Analy. 24, 2747-2763.

  299. Saghir, N.S., R.L. Mulvaney and F. Azam. (1993). Determination of nitrogen by microdiffusion in Mason jars: I. Inorganic nitrogen in soil extracts. Commun. Soil Sci. Plant Analy. 24, 1745-1762.[go to top]

  300. Sattar, A., A. Hamid and G. Sarwar. (1986). Rheological properties of wheat in relation to nitrogen fertilization. Pak. J. Agric. Sci. 23, 82-88.

  301. Sattar, A., Z. Aslam and G.R. Sandhu. (1982). Effect of growth stages on the concentrations of mineral elements and other nutrients in pasture grasses. Phillip. J. Sci. 110, 87‑90.

  302. Sattar, A., Z. Aslam and R.H. Qureshi. (1986). Wet digestion of biological materials for the determination of Zn, Cu and Mn by Atomic Absorption Spectroscopy. Malaysian Agri. J. 54, 157-163.

  303. Sattar, A., Z. Aslam, M.A. Kausar and G.R. Sandhu. (1986). Mineral elements in rice and translocation of zinc under different systems. Sarhad J. Agri. Sci.

  304. Sattar, A., Z. Aslam, R.H. Qureshi and M.A. Kausar. (1987). Nutritional quality of grasses in relation to different cuttings  during the vegetative growth stage. Pak. J. Agric. Res. 6, 305-311.

  305. Sattar, A., Z. Aslam, R.H. Qureshi and M.A. Kausar. (1987). Nutritional quality of grasses in relation to different cuttings during the vegetative growth stage. Pak. J. Agri. Sci. 24, 1‑8.

  306. Schneider, U., K. Haider and T. Mahmood. (1990). Preliminary results by comparing denitrification losses with 15N-balance losses in a wheat and a barley cropped field. Mittl. der Dent. Bodenk. Gesell. 60. 37-44.

  307. Shafi, M.S., M. Y. Ashraf and G. Sarwar. (2001). Wild medicinal plants of Cholistan area of Pakistan. Pak. J. Biol. Sci. 4(1),112-116.

  308. Shah, S.M., M.M. Iqbal, W. Mohammad and H. Nawaz. (2001). Phosphorus application to Potato through irrigation water. Pak. J. Soil Sci. 20, 51-54.

  309. Sharif, M., F.M. Chaudhry and  A.G. Lakho. (1974). Suppression of  superphosphate-Phosphorus  fixation by farmyard manure II. some studies on the mechanisms. Soil Sci.Plant Nutr. 20, 395-401.

  310. Sharif, M., F.M. Chaudhry and  A.Latif. (1974). Suppression of  superphosphate-Phosphorus  fixation by farmyard manure I. High phosphorus uptake from superphosphate. Soil Sci. Plant Nutr. 20, 387-393.

  311. Sharif, M., F.M. Chaudhry and A. Latif. (1974). Suppression of superphosphate Phosphorus fixation by farmyard manure I.  High phosphorus uptake from superphosphate. Soil Sci. Plant Nutr. 20, 387-393.

  312. Sharif, M., M. Tahir and F.M. Chaudhry. (1973). Studies on water use of efficiency for maize crop.Proceedings  FAO/IAEA Symposium on Isotopes and Radiation Techniques in Soil Physics and Irrigation Studies. pp.389-399.[go to top]

  313. Sharif,M. (1972). Application of radiation techniques to water use efficiency  studies. IAEA Technical Report Series No. 134, 57-59, IAEA, Vienna.

  314. Tahir, M. (1983). Effect of straw incorporation in soils on yield and some macro-nutrient uptake by wheat. Pak. J. Agric. Res. 4, 216-223.

  315. Tahir, M. (1990). Effect of various moisture tensions on yield and nutrient uptake by some cereal crops. Pak. J. Agri. Sci. 27, 174-179. 

  316. Tahir, M. and M. I. Pervaz. (1976). Micronutrient role in rice production with special reference to zinc deficiency. Proc. Second Joint FAO/IAEA Res. Coordin. Conf. on "Isotope-aided micronutrient studies in rice production with special reference to zinc deficiency". Manila, Philippines, p. 281-310.

  317. Tahir, M., A. Rashid and A.S. Bhatti. (1982). Micronutrient concentration in corn and comparison of the various extractants for soil Zn and Cu. Pak. J. Sci. Ind. Res. 25, 184-191.

  318. Tahir, M., A. Rashid and F. Hussain. (1981). Effective Zn application methods for rice. In: Proc. Third Nat. Seminar on  “Rice Research and Production”, Islamabad,  Pakistan.  June 17‑19.

  319. Tahir, M., F. Hussain and A. S. Bhatti. (1979). Micronutrient status and fertilization response in wheat. In: Proc. Nat. Seminar on “Wheat Research and Production”,  Islamabad, Pakistan. August 6‑9.  pp. 213‑221.

  320. Tahir, M., F. Hussain, M. A. Kausar and A.S. Bhatti. (1990). Differential uptake and growth response to micronutrients in various rice cultivars. Pak. J. Agri. Sci. 27, 367-373.

  321. Tahir, M., M.  B. Malik, A. R. Awan and M. Sharif. (1973). Accumulative effect of phosphatic fertilizers  on the "A" value of soils under rice cultivation. Pak.J. Sci. Ind. Res. 16, 56-58.

  322. Tahir, M., M.A. Kausar and A. S. Bhatti. (1994). Fertilizer Zn efficiency for rice and subsequent wheat crop as affected by urea and manure application. 4th Nat. Cong. Soil Sci. Islamabad, Pakistan. pp. 347-354.

  323. Tahir, M., M.A. Kausar and A.S. Bhatti. (1992). Micronutrient status and effectively ameliorating Zn deficiency in rice. Pak. J. Sci. Ind. Res. 35, 133-137.

  324. Tahir, M., M.A. Kausar and M. Sharif. (1988). Effect of N application on Zn uptake at three moisture regimes. Nat. Sem. on "Mictonutrients in Soils and Crops of Pakistan". pp. 162-167.[go to top]

  325. Tahir, M., M.A. Kausar and R. Ahmed. (1992). Effect of water quality and micronutrients on dry matter yield and composition of rice. Proc. 3rd. Nat. Cong. Soil Sci., Lahore, Pakistan. pp.465.

  326. Tahir, M., M.A. Kausar, R. Ahmad and A.S. Bhatti. (1986). Micronutrient status of some wheat and rice soils of Punjab, Pakistan. Pak. J. Sci. Ind. Res. 29, 448-451.

  327. Tahir, M., M.A. Kausar, R. Ahmed and A.S. Bhatti. (1991). Micronutrient status of Faisalabad and Sheikhupura distt. Pak. J. Soil Sci. 12, 134-140.

  328. Tahir, M., M.B. Malik and M. Sharif. (1971). A cumulative effect of phosphatic fertilizer on the "A" value. Soil Sci. and Plant Nutr. 17, 176-180.

  329. Tahir, M., M.I. Pervaz, A.S. Bhatti and G. Sarwar. (1979). Response of rice to Zn and Cu in the field. Pak. J. Sci. Ind. Res. 22, 152-155.

  330. Tahir, M., M.I. Pervaz, A.S. Bhatti and M.A. Kausar. (1990). Efficiency of Zn fertilization in rice and subsequent wheat crop. Proc. 2nd Nat. Cong. Soil Sci. pp. 107-115.

  331. Wahed, R.A., M.H. Naqvi, G.R. Tahir and S.H.M. Naqvi. (1996).  Some studies on pre-planned controlled soil moisture irrigation scheduling of field crops. In: Nuclear techniques to assess irrigation schedules for field crops. IAEA TECDOC 888. pp. 187-202.

  332. Wahed, R.A., M.H. Naqvi, R. Bilal, G.R. Tahir and S.H.M. Naqvi. (1995). Series on pre-planned controlled soil moisture irrigation schedules of field crops. Soils Newsletter. 8(1), p.31.

  333. Wahed, R.A., P. Moutonnet, M.Y. Ashraf, M.H. Naqvi, C. Kirda, G.R. Tahir, A.R.Awan and M.M. Iqbal. (2001). Contribution of irrigation to grain yield of wheat (Triticum aestivum L.) at critical crop growth stages. O.J.B.S. 1, 468-471.

  334. Wahid, A.,  E. Rasul, I. Ali, Y. Zafar and K.A. Malik. (1985). Associative nitrogen fixation in some grasses and cereals growing around Faisalabad area. Pak. J. Agr. Sci. 22, 126-132.

  335. Zafar, Y., K.A. Malik and A. Chaudhry. (1981). Activities of some carbohydrates in agricultural soils. Pak. J. Agri. Res. 2, 41-45.[go to top]