地膜覆盖是夺取棉花优质高产的一种新兴技术,它在整个覆盖农业中占有重要位置。然而由于覆盖田废旧残膜的清除和回收尚未引起人们的高度重视,以至给农业生态 Mulching is an emerging technology that captures high quality and high yield of cotton and occupies an important position in the entire covered agriculture. However, due to the removal and recycling of waste residue film field has not caused people’s attention, as well as to agricultural ecology