地膜覆盖是使用化肥和推广杂交种以来玉米生产的又一突破性增产技术。具有明显的增温、保墒、保肥、保全苗、抑制杂草增长、减少虫害、促进玉米生长发育、早熟、增产的作用。地膜覆盖玉米适时早播,具有三大好处:一是增加营养物质的积累;二是增强植株抗倒伏能力;三是避免或减轻地下害虫危害。——致富早班车 Film mulching is yet another breakthrough yield-increasing technology for corn production using fertilizers and hybrids. With obvious warming, moisture, fertilizer, protect the seedlings, inhibit weed growth, reduce pests and promote growth and development of corn, early maturity, increase production. Film-covered corn timely sowing, with three major benefits: First, increase the accumulation of nutrients; the second is to enhance plant lodging capacity; the third is to avoid or reduce the harm of underground pests. - Get rich early bus