尉犁县棉花地膜覆盖种植近30年,由于缺乏残膜回收的有力措施,造成残膜在农田土壤中逐年增加,对农业生态环境造成严重的污染。本文针对尉犁县棉花使用不同厚度地膜进行机械回收,计算出残膜回收率,为大面积推广使用提供可靠的数据。 Yuli County cotton mulching nearly 30 years of cultivation, due to the lack of effective measures to recover the residual film, resulting in residual film in the soil in the farm increasing year by year, causing serious pollution of agricultural ecological environment. In this paper, Yuli County, cotton using different thickness of the plastic film for mechanical recovery, calculated residual membrane recovery rate, provide reliable data for large-scale promotion and use.