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针对大田作物种植中使用普通农用塑料地膜导致农田土壤污染的现状,进行了可降解(光、生物降解)地膜、普通地膜和露地栽培玉米对比试验,探讨可降解地膜的降解性能及对土壤保墒、玉米产量和效益的影响。结果表明,透明性、拉力、延展性良好在铺设时间、铺设方法、相应农事操作和田间管理等方面与普通地膜相同,保温、保墒效果良好,完全可以满足玉米生长需求和农事操作。
In view of the status quo of field soil pollution caused by common agricultural plastic film mulching in field crop cultivation, comparative experiments on biodegradable (light and biodegradable) mulching film, common mulch film and open field mulching were conducted to investigate the degradability of degradable mulch film and its effect on soil moisture conservation, Effect of corn yield and benefit. The results showed that the transparency, tensile strength and ductility were the same as ordinary mulching film in terms of laying time, laying method, corresponding agricultural operation and field management. The effect of heat preservation and soil moisture conservation was good, which could fully meet the demand of maize growth and agricultural operation.