By Samiha Ouda
This ebook contains multi-disciplinary quantifications of the influence of weather switch on water specifications of wheat, maize, rice and sugarcane. in addition, it presents on-farm administration that faces water shortage lower than present scenario and below weather switch. altering cultivation process (raised beds rather than furrows or basins) or expanding irrigation software potency (sprinkler or drip structures rather than floor irrigation) can lessen the utilized water. Irrigated agriculture, even supposing ecocnomic, it endures wasteful use of helpful water assets. taking into consideration the chance of weather switch, constructing nations like Egypt will hugely undergo. additionally, the impression of intercropping (two vegetation use the utilized water to at least one of them), and/or utilizing crop rotations (arrange vegetation to lessen the utilized water, raise water productiveness and maintain soil fertility) on construction and ate up irrigation water by means of plants have been comprehensively analyzed.
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Additional resources for Major Crops and Water Scarcity in Egypt: Irrigation Water Management under Changing Climate
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.