【摘 要】
：
随着作物覆膜栽培技术的推广与普及，家用薄膜的种类和型号越来越多。不同种类或不同型号的农膜，其厚度、颜色、成分及主要性能不尽相同，适用范围有着明显的区别，若使用不当，不仅效
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随着作物覆膜栽培技术的推广与普及，家用薄膜的种类和型号越来越多。不同种类或不同型号的农膜，其厚度、颜色、成分及主要性能不尽相同，适用范围有着明显的区别，若使用不当，不仅效果差，而且会加大农业生产成本，甚至产生一些副作用。因此，在覆膜栽培过程中，应根据作物
With the promotion and popularization of crop cultivation techniques, the types and types of household films are more and more. Different types or different types of plastic sheeting, the thickness, color, composition and main properties are not the same, the scope of application has a significant difference, if used improperly, not only ineffective, but also increase agricultural production costs, and even some side effects. Therefore, in the film cultivation process, should be based on crops
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