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Farmers' evaluation of on-farm contour hedges for soil conservation and nutrient cycling: a case of Central highlands of Kenya
Abstract
Decline in soil fertility, soil erosion and insufficient fodder production are some of the major problrms facing agricultural production in central highlands of kenya. researcher-designed but farmers-managed trials were started on far,s of 32 willing farmers with an aim of exploiting the multipurpose attribute of agroforestry species to address these problems. the selected farms wre arable lands with q slope of between 5 and 33%. the set up consisted of double Calliandra calothysus, leucaena tricandra and napier grass hedges planted in a zig-zag pattern at an intra-row spacing of 0.25m or 0.5m ana a variable inter-row spacing and arranged as 2*3 complete factorial