KARI-NARL-KSS M100 2006- Sustainable Approaches for Irrigation and Water and Fertility Management in Kalacha

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Date
2006
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Kenya Agricultural Research Institute
Abstract
In Kalacha, land degradation has had a serious negative impact on crop production. The soil structural degradation has led to low water holding capacity, high susceptibility to clay dispersion, hence reduced aeration and incidence of waterlogging. The resulting low soil quality and productivity are attributed to high soil pH, high salinity, high sodicity, low organic matter content, low nitrogen and low phosphorous availability. The intervention to restore the degraded soil structure involves light and frequent application of irrigation water, based on soil and crop water requirements and grain/legume and grain/grass rotation. The intervention to improve soil fertility and plant nutrition involves balanced and integrated fertility and plant nutrition management.
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