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By Isaac Asimov

Strains the historical past of the clinical discovery of "atmosphere" and its houses.

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Nat Sci 115:10–18 Abou Zeid K (2002) Egypt and the world water goals. Egypt statement in the world summit for sustainable development and beyond, Johannesburg Allen RG, Pereira LS, Raes D, Smith M (1998) Crop evapotranspiration: guideline for computing crop water requirements. FAO No56 Ibrahim M, Ouda S, Taha A, El Afandi G, Eid SM (2012) Water management for wheat grown in sandy soil under climate change conditions. J Soil Sci Plant Nutr 122:195–210 ICID-CIID (2000) Multilingual technical dictionary on irrigation and drainage—CD version September 2000.

0 Calculation of ET Under A1B Climate Change Scenario Fig. 0 2020 2030 2040 ET (mm/day) Fig. 0 Jan Feb Mar Apri May Jun Jul Aug Sep Oct Nov Dec increase in all governorates with different values. 3) presents the percentage of increase in ET annual values in all governorates. The average ET values were 7, 9, and 13 % in 2020, 2030, and 2040, respectively. Snyder et al. (2011) concluded that the impact of global warming on ET will likely be less in locations with higher wind speeds. 9 m s−1. Furthermore, the percentage of increase in ET under A1B climate change scenario was the lowest in the three tested future years in these five governorates.

BISm Model The required irrigation water need to be applied to the studied crops was estimated using BISm model (Snyder et al. 2004). The model requires planting and harvesting dates as input. The model calculates crop coefficient (kc). The model also account for water depletion from root zone. Therefore, it requires to input total water holding capacity and available water in the soil. 1). Planting and harvesting dates under current climate for the studied crops in each of the 17 governorates were obtained from bulletins published by Agricultural Research Center.

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