Yan Xiaoling

£¨Xifeng experimental station for soil and water conservation of YRCC,

Qingyang City, Gansu Province, China£©

Abstract: The area of Loess Plateau lack of vegetation, the water and soil erosion and sand blown by wind are very serious, environment is deteriorating increasingly. At the same time, a great deal of mud from up and middle reaches of yellow river enter into yellow river. As a result, dry river band of lower reaches of yellow river increase year by year. So should introduce into some premium vegetable to keep water and soil immediately. Xifeng experimental station for soil and water conservation fetched in Sweet Pea from middle west of American, according to ¡°the theory of climate similar¡± and take the experience for 8 years(1998¡«2005). They draw a conclusion that Sweet Pea is suitable for ravine of Loess Plateau, and root is deeply, as well as, it can cover with most area. Therefore, it can be the premium pasture to keep water and soil, reduce mud enter into yellow river, improve the condition of environment and the breed of natural pasture.

Key words: pasture; Sweet Pea; keep water and soil;