THE STUDIES OF MULCHING INFLUENCE BY THE PLASTIC FILM ON THE PLANT GROWTH ANDDEVELOPMENT AND ROOT SYSTEM WHEN INTERPLANTING CORN WITH SPRING WHEAT
春小麦套种玉米地膜覆盖栽培对根系及植株生长发育的影响

This paper systematically analysed the interplanted corn with spring wheat by the plastic film mulching and the influence on the root system, growth period and habit and the crop yield. It indicated that the techniques of cultivation of plastic film mulching was one of the effective measure for improving production, and ecological environment and achieving high and stable yields in the area of north China.