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Trends of crop water productivity under Egyptian conditions [electronic resource].

By:

El-Marsafawy, Samia, M

Language: English Summary language: Arabic Description: p.367-392Other title:

اتجاهات انتاجية المحصول من وحدة المياه تحت الظروف المصرية [Added title page title]

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Annals of agricultural science, Moshtohor, 2006 v.44 (1) [electronic resource].

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In: Annals of agricultural science, Moshtohor 2006.v.44(1)Summary: Crop water productivity (CWP) is defined as Crop yield Water consumptively used in evapotranspiration (En. Crop water productivity can be quantified in terms of wet or dry, nutritional value or economic return. The present study was carried out to estimate crop water productivity of winter, summer and perennial crops in the old lands at Delta, Middle and Upper Egypt regions. The crop productivity through three decades (1972-2002) was obtained from Agricultural Economic Research Institute Bulletins and used with the water consumptive use (En to calculate crop water productivity. ET crop was estimated using CROPWAT4.3 model (Derek el al., 1998).

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Crop water productivity (CWP) is defined as Crop yield Water consumptively used in evapotranspiration (En. Crop water productivity can be quantified in terms of wet or dry, nutritional value or economic return. The present study was carried out to estimate crop water productivity of winter, summer and perennial crops in the old lands at Delta, Middle and Upper Egypt regions. The crop productivity through three decades (1972-2002) was obtained from Agricultural Economic Research Institute Bulletins and used with the water consumptive use (En to calculate crop water productivity. ET crop was estimated using CROPWAT4.3 model (Derek el al., 1998).

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