Analyses of Soil and Water Conservation Technologies in Vegetable Based Upland Production System of Manupali Watershed

摘要

The magnitude of soil and nutrient losses from corn and vegetable production system represents a major upland environmental problem. Steep slopes, favorable climate, high fertilizer and pesticide application rates characterizes these uplands. Sustainability of upland vegetable production system and soil conservation technologies in Manupali watershed were analyzed. Conservation technologies considerably reduced soil erosion but the level of adoption was less than hoped for. Compatibility of trees in the vegetable production system offers encouraging result. Trees did not out-compete vegetable for below-ground resources but benefited from excess nutrients in the vegetable systems. Economic benefits play prime consideration in the adoption of conservation technologies. Higher level of non-farm income, favorable policies and incentives may veer away intensive cultivation without soil conservation techniques in the upland.