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黄瓜叶黄杆细怎么治

2025-04-02 22:11:09

推荐回答（2个）

回答1：

底下老叶发黄主要和缺镁有关，新叶发黄、偏白、小叶主要和缺锌铁锰等微量元素有关，注重保叶元素的补充，黄叶预防为主，根系吸收养分能力转差，植株长势偏弱，茎杆细弱，黄叶花叶问题也会跟着出现，黄瓜从种植下去持续到采收，都要做好促根工作，补充磷钙钾镁等，地下浇施微补根力钙+精力+冲力镁，促进根系生长，提高养分吸收能力，健壮植株长势。同时每次打药叶面喷施微补碧力，补充镁锌铁锰等多种中微量元素，预防减少黄叶早衰问题。

回答2：

追肥灌水喷叶面肥。

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