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��� Muhammad Ashraf,& Amjad Saleem �Drip irrigation system for efficient and sustainable water application: Potential and problems. Pak. J. Arid Agric. 2(1):41-50. 1999. |
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� Muhammad Ashraf,& Amjad Saleem Water conservation and its optimum utilization in Barani areas. Sci. Tech & Dev. 18:28-32. 1999. |
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Muhammad Ashraf,, Amjad Saleem & Muhammad Iqbal Lone �Water resources development and its management in the Barani areas of Punjab. Paper presented and is included in the proceedings of national workshop on �Water resources achievements and issues in 20century and challenges for next millennium� held in Islamabad on 28-30 June, 1999, organized by PCRWR. Pp. 104-109. |
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, Malcolm Leitch & Shahbaz Ahmad �Growth parameters studies in Linseed (L.). Pak. J. Arid Agric. 1(1):72-77. 1998. |
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Naeem Ullah KhanAlex H. SinclarandEffects of soil pH on plant growth�. In the proceeding of symposium on �Plant Nutrition Management for Sustainable Agriculture Growth� held in Islamabad on 8-10 December, 1997. Pp 315-319. |
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, Naeem Ullah Khan & Shahbaz Ahmad �Soil problems and management in Pothwar. In the proceeding of symposium on �Plant Nutrition Management for Sustainable Agriculture Growth� held in Islamabad on 8-10 December, 1997. Pp 355-360. |
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� Asif Malik,, �Growth of wheat as influenced by phosphorus fertilization�. Scientific Khyber 11(1): 31-39. 1998. |
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, M. H. Leitch �The influence of plant spacing on dry matter partitioning in Linseed (L.)�. Proceeding of 57Flax Institute of United States. 144-149. 1998. |
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, Shahbaz Ahmad & Azim Malik �History and Economic importance of Linseed (Linum usitatissimum L). Sci. Tech. & Dev. 16(2):42-46. 1997. |
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. �Linseed and Flax - A review�. JAPS. Vol. 6(1-2): 11-13. 1996. |
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