地膜栽培近几年在农村广泛应用取得了十分可喜的经济效益。但塑料地膜、农膜不能自行腐烂,它在地里由于风化破碎和耕作,变成小碎块混地土壤中,不仅影响植物根系生长发育,还造成“白色污染”,对农业发展危害 Film mulching cultivation in rural areas in recent years made a very gratifying economic benefits. However, the plastic film, plastic film can not be self-decay, it in the ground due to weathering broken and farming, into small pieces of mixed soil, not only affect the growth and development of plant roots, but also cause “white pollution”, the development of agricultural hazards