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51问答网 > 苹果树在不同年龄时期需肥特点是什么？

苹果树在不同年龄时期需肥特点是什么？

2025-03-15 07:33:50

推荐回答（1个）

回答1：

苹果树在幼树期和初果期，树体生长迅速，需氮较多，需磷、钾较少。盛果期苹果树对养分需求量最大，养分的主要作用是保持树体健壮生长，保证产量，提高果实品质，对钾、磷需求量增大，氮的需求相对减少。衰老期的苹果树需要进行树体更新，对氮的需要量相对增加。

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