Surface Mulching and Conservation of Soil Water
Zhu Wenshan;Wang Jian(Beijing Agricultural University. Beijing.100094)
The research on straw mulching by no-tillage and on film mulching declared that 20￣40mm water was saved Per year.This was a small quantity,but the soil water potential at the early stage of plant growth was kept higher, and this provided a good condition for high yield. From viewpoint of water using efficiency,the water quantity saved reached 60￣200mm.
【CateGory Index】： S345