三峡库区奉节县农田水土流失原因及防治对策

Cause and controlled countermeasure of farmland soil and water loss in Fengjie county of Three Gorges reservoir zone

三峡库区奉节县河网纵横，地形复杂，加之人口集中、垦殖率高以及不合理的用地行为，使农田水土流失十分严重。为减少三峡水库泥沙淤积，保护土地资源，宜结合本地实际，采取坡改梯、改良土质、农林结合。

Fengjie county in the zone of the Three Gorges reservoir is covered with a lot of river and complex terrain within its border. Moreover, dense population, high soil exploitation capability and unrational action of utilize land cause very serious condition of soil and water loss of farmland. To reduce the silting of mud sand in Three Gorges reservoir and protect land resources, the following strategics of utilize land rationally must be carry out according to the local condition such as: to change slope land into terrace land, to improve soil texture and to combine agricultural crop with forest to increase multiple crop index etc.