الفهرس Only 14 pages are availabe for public view
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Abstract
Recently due to the steady increase in population requires the provision of large amounts of fresh water in many parts of the world for the uses of personal, industrial and agricultural water shortage has political overtones, natural and cultural, social and technical economic since exceeded irrigation all other industries in the use of water for crop production will beregion suffering the most are water supply by limited and due to the necessities of the pressing in irrigation water use in agriculture, in particular in recent was necessary to work on the development of irrigation methods different and special ways surface irrigation to improve water use efficiency and Toseahavy the soil to reduce the problems of runoff and deep percolationand evaporation and thus reducing the problems غدق land degradation fertility and provide Almilh for use in horizontal expansion is necessary to Muahhh population increase and fill the food gap. therefore conducted the experiment field area Dqlt which is located in the northern part average of the Nile Delta - Kafr el-Sheikh during the chapters successive Winter 2005/2006 m and summer 2006. The-Dqlt Canal is the main Almusdler of irrigation water.