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大棚膜除水滴技巧
更新时间: 2021-05-23 11:43:12  

1、由于大棚内外的温差较大,棚膜上常附着一层水滴,严重影响棚膜的透光率,使棚内温度降低。

2、如果每平方米棚膜用7.5~10克细大豆粉(越细越好),对水150克,浸泡2小时,用细纱布滤去渣,然后装入喷雾器内,对着棚膜均匀喷雾,可使棚膜上的水滴迅速滑落下来,并可保持棚膜15~20天不再结水滴。

关键词: 大棚 水滴 技巧

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