Physiological and Ecological Effects of Plant under Straw Mulch

In recent years,the water resource is more and more short.In the area of drought and half-drought,the straw mulching is used largely in the crop cultivation and the technique is more matured.The effects and mechanisms on the straw mulching are studied more and more deeply.In this paper,it is simply summarized that the effects of straw mulching on the environment and the plant,and the questions studied still are brought up.