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葡萄挂果后如何施肥
更新时间: 2021-02-08 06:38:18  

1、葡萄挂果后,葡萄果实进入膨大期,这时候要多施磷肥,钾肥。

2、如果用滴灌施肥,滴灌五分钟。第一分钟和第五分钟滴水,中间三分钟滴肥。

3、喷洒杀虫剂,减少病害发生。喷洒过杀虫剂之后,可以用袋子将葡萄套住,提高葡萄的品质。

4、施肥在挂果初期进行,以氮肥为主,结合施磷、钾肥。不但能促进幼果膨大,而且有利于花芽分化。这一阶段是葡萄生长的旺盛期,也是决定第二年产量的关键时期,也称“水肥临界期”。

关键词: 葡萄 挂果 如何 施肥

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