IDRP Annual Report 2002 evelopment of Soil and Water Management Technologies for Salt affected Soils in Kenya

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Date
2002
Authors
Radiro M.P.O.
Sijali I.V.
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Irrigation and Drainage Research Project
Abstract
The development of agricultural technologies to combat desertification by preventing and controlling water logging, soil salinity and sodication of irrigated lands is crucial in meeting the ecological needs and sustaining of land degradation. Human induced soil salinity is estimated to be more than 77 million ha. In Kenya the total soluble salt (soil salinity) affected land is approximately 4.86 m ha. Total soluble and insoluble salt (soil sodication) affected land is estimated to be greater than 13.49 m ha. Soil salinity results from natural cycles in soils or from water mismanagement during irrigation with low quality water. Poor drainage in irrigated areas is also a major contributor to saline soil degradation. These actions of events in many cases eventually lead to abandonment of the irrigation lands.
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