The paper systematically studied the benefits of soil and water conservation on 4 different models of compound eco-agriculture on dry slope land.The results showed that their effects of soil and water conservation were better than the compare model which was Tamarindus indica bare ground.Among them

the model

Tamarindus indica pigeonpea Stylosanthes gracilis

had the best effects on intercepting rain

increasing cover degree of the earth's surface

improving soil physical characteristics

increasing the performance of impoundment and controlling water retention and soil erosion.Other 3 models had the obvious ecological benefits.If the plants which was some different shrub and grass are disposed reasonably again

the optional compound eco-agriculture models by rebuild will produce good ecological

economic and social benefit.