After having tackled the key problems of science and technology for ten years

the industrial structure of Wangdong gully watershed has had a distinct change.It goes through one way structure which put stress on historic planting industry to two-way structure which put stress on both planting industry and side occupation in the seventh five-year plan.Now it has been developed to three-way structure of planting industry

fruit industry and industrial sideline.This structure increases agro-ecosystem adversity-resistance.In the climatic condition of succes lively arid

grain yield developer continuously

the peasant revenue increases doubly

eco-envi-ronment have been improved obviously and economic

social and ecological benefits have been achieved at the same time.