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大棚蔬菜用白地膜好还是黑地膜好

更新时间: 2021-05-23 10:04:39     

1、白地膜好些。首先要明白白地膜和黑地膜的各自特性。白地膜透光性强,所以地温升温快,适合低温栽培的蔬菜,例如越冬茬;

2、黑地膜透光性差,地温升温慢,但是保温以及夜间放温能力强,同时可以抑制地面杂草的生长和降低地温,所以比较适合高温栽培的蔬菜,例如越夏栽培和秋延迟栽培。

关键词: 大棚 蔬菜 地膜 还是

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