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红肉蜜柚如何培土?

Miss Chen
2017-06-23
种地网整理了红肉蜜柚培土常见的失误,以下列举出来供网友们参考。

红肉蜜柚培土常见错误一、培土过高:
蜜柚培土过高会影响红肉蜜柚根部的正常呼吸;而且会限制穴内土壤中好气细菌的活动,使其无法把土壤中的有机质分解成为可供根部吸收的无机质,减少了根部将这些无机质输送给叶片的数量。

给蜜柚培土过高还会影响蜜柚树的正常生长,使树基部长出新根,即二重根,造成穴内有限的水、肥、空间处于上下层根系争夺的状态。新根秋季干旱时,又因土壤缺水而枯死,造成大量营养的损失。

红肉蜜柚培土常见错误二、培土过少:
在栽培红肉蜜柚时,如培土太少,也会严重限制根部的正常生长发育,进而影响树干、枝、叶的生长;在雨季会使红肉蜜柚植树穴内积水而把根部浸死,在冬季冰雪天会使红肉蜜柚冻死。培土的正常高度是高出地面10厘米,且不宜再压紧。
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