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根外施肥的好处
更新时间: 2021-05-03 06:11:05  

1、叶片对养分的吸收和转运迅速,肥料能较好的被花卉吸收利用。

2、根外施肥不会被土壤固定,不受根系吸收功能的影响,用肥少,肥效显著。

3、叶面喷施氮、磷肥,能增加叶片的光合作用和根的活力。

4、用肥量容易掌握,而且可以和一些适于叶面喷施的杀虫剂、杀菌剂同时喷施。

关键词: 施肥 好处

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