Soil and water conservation and productivity in an intensive agroforestry system
1987
Hoanh Hoang Nguyen
Perennial crops (ipil-ipil (Leucaena) and papaya) and annual crops (pineapple, cassava, sweet potato, and peanuts) were intercropped in an experimental area with a clay loam soil and an average slope of 15 percent. The annual crops were planted on furrow contours for soil and water conservation. The soil analysis indicated that the nutrient content and bulk density of the soil were improved by the intercropping practice. Runoff and soil erosion were effectively controlled. Increased productivity levels of the crops were also observed. Papaya produced the highest net income while pineapple showed the lowest.
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