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How to evaluate the field water balance.
Hartmann, R.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 113-124, 6 ref. In arid and semiarid regions, it is essential to make the best possible use of the available water. To achieve this aim, intensive water use efficienc...
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Water and soil-water plant relations.
Boersma, L.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 125-139, 49 ref. The use of water by plants and the potential for increasing the water use efficiency (defined as mass of carbon dioxide fixed per unit mass of water t...
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Applied soil physics in relation to Pakistan's agriculture: problems and potentials.
Sandhu, G. R.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 13-15 This paper discusses the problems and potentials of Pakistan's agriculture. These problems include the degradation of watersheds and Barani lands due ...
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Plant water uptake processes in stress environments.
Taylor, H. M.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 140-148, 8 ref. Water uptake rate by a plant root system is a function of transpiration rate, hydraulic conductivity between soil and root xylem, water potential diff...
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Impact of tillage on soil physical environment.
Prihar, S. S.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 252-266, many ref. Soils are tilled to create soil physical environment suitable for seed germination and seedling emergence, and root development These processes requir...
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Impact of tillage on soil water regimes in the rainfed areas of Pakistan.
Campbell, J. A.; Akhtar, M. E.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 267-275, 17 ref. Positive responses to deep primary tillage with mouldboard as compared to shallow line cultivation have commonly been observed in the Potowar Tract (r...
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Seasonal crop evapo-transpiration-moisture stress: functions for major climatic zones in Pakistan.
Muhammad Yasin; Shahid Ahmad; Zahid Hussain; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 276-285, 10 ref. The seasonal crop evapotranspiration (Et) for wheat, cotton and sugarcane crops was used to estimate variability in seasonal Et and potential yield fo...
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Effect of farmer's irrigation practices on wheat yield: a case study with private tubewell as source of irrigation.
Sheikh, Z. I.; Gillani, S. N. A.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 286-295, 10 ref. The study evaluates the impact of farmer's irrigation practices on soil moisture extraction pattern, water use and grain yield in relation to moisture...
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Seedbed preparation methods and their effect on soil physical conditions and crop establishment.
Choudhary, M. A.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 296-300, 3 ref. This paper explains interaction of seedbed preparation methods with soil moisture, aeration, consolidation, soil structure, weed control and fertilize...
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Soil and water conservation and integrated land use in Pothwar, Pakistan.
Shahid Ahmad; Mohammad Khan; Zaheer-ul-Ikram, M.; Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan, Soil physics: application under stress environments. Proceedings of the International Symposium on Applied Soil Physics in Stress Environments, Islamabad, Pakistan, 22-26 January 1989, 1990, pp 301-312, 10 ref. The results of field studies carried out at Fateh-Jang watershed in Pakistan were analysed to develop relationships for runoff and soil loss in cultiv...
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