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常见的棚膜种类有哪些
常见的棚膜种类有哪些
What are the common types of shed film
大棚蔬菜生产中常用的棚膜有三种：聚氯乙烯压延(PVC)薄膜、聚乙烯(EVA)吹塑薄膜 、聚乙烯 (PE)棚膜 。
There are three kinds of shed films commonly used in vegetable production: PVC calendering film, EVA blow molding film and PE shed film.
1、EVA膜：是使用的最多的棚膜，9丝后的每平米2元左右，保温性能很好，适用于茄果类蔬菜和瓜类蔬菜。
1. EVA film: it is the most widely used greenhouse film. After 9 silk, it costs about 2 yuan per square meter. It has good heat preservation performance and is suitable for Eggplant and fruit vegetables and melon vegetables.
2、PVC膜：不耐老化，防尘性差，每斤7元左右，应用比较广。
2. PVC film: it is not resistant to aging and has poor dustproof performance. It costs about 7 yuan per Jin and is widely used.
3、PE膜：保温性差，价格便宜，一般用于覆盖拱棚，种植春提前或者秋延后茬口。
3. PE film: poor heat preservation and low price, generally used to cover the arch shed and plant the stubble before spring or after autumn.
What are the common types of shed film
大棚蔬菜生产中常用的棚膜有三种：聚氯乙烯压延(PVC)薄膜、聚乙烯(EVA)吹塑薄膜 、聚乙烯 (PE)棚膜 。
There are three kinds of shed films commonly used in vegetable production: PVC calendering film, EVA blow molding film and PE shed film.
1、EVA膜：是使用的最多的棚膜，9丝后的每平米2元左右，保温性能很好，适用于茄果类蔬菜和瓜类蔬菜。
1. EVA film: it is the most widely used greenhouse film. After 9 silk, it costs about 2 yuan per square meter. It has good heat preservation performance and is suitable for Eggplant and fruit vegetables and melon vegetables.
2、PVC膜：不耐老化，防尘性差，每斤7元左右，应用比较广。
2. PVC film: it is not resistant to aging and has poor dustproof performance. It costs about 7 yuan per Jin and is widely used.
3、PE膜：保温性差，价格便宜，一般用于覆盖拱棚，种植春提前或者秋延后茬口。
3. PE film: poor heat preservation and low price, generally used to cover the arch shed and plant the stubble before spring or after autumn.
