Prasad Dharmasena

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Traditional agricultural villages in the dry zone of Sri Lanka are minor watersheds where small earth bank reservoirs provide water for irrigation and domestic purposes. The farmers practise rainfed farming on a shifting basis called chena in the reservoir catchments, which are being degraded due to soil erosion. The consequent sedimentation in reservoirs(More)
A Yield damage function helps to illustrate by relating yield damage and some independent parameters of soil such as top soil depth and organic matter content. This study was focussed on three tea growing district, Passara and Watawala sub district of Sri Lanka and the Nilgiris of India where considered 208 tea fields from Passara tea growing region, 52 tea(More)
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