University of Khartoum

Performance of Drip Irrigation with Intermittent Water Application under Shambat Conditions

Performance of Drip Irrigation with Intermittent Water Application under Shambat Conditions

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Title: Performance of Drip Irrigation with Intermittent Water Application under Shambat Conditions
Author: Mohammed, Kawther Jubara Ali
Abstract: A drip irrigation system was used to study the effect of intermittent water application on a heavy clay soil, with 4 l/h flow rate of emitter to determine the dimensions of soil volume (depth and width) wetted under emitters. The study was conducted under Shambat conditions from April to November 2009. Some soil characteristics were determined such as soil texture, infiltration rate, soil moisture content before irrigation and at field capacity. The study involved three surge irrigation cycles 10, 20 and 30 minutes as treatments and continuous application as control. The dimension of wetted area (circle) as well as depth of wetting soil was measured, using a measuring tape in two directions perpendicular to each other for the area. The wetted depth was measured in four directions using a blunt iron rod, starting from the edge of the wetted area towards the point under emitter. The 10 minutes cycle gave a slightly larger wetting zone (area and depth) than the other cycles.
Description: 87page
URI: http://khartoumspace.uofk.edu/123456789/16043
Date: 2015-09-13


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