花卉为什么要经常换盆

    转盆，就是在花卉生长期间经常变换花盆的方向。由于二些花卉植物具有向光性，如果不经常通过转盆调整光照，就会出现偏冠等不良形状，影响观赏价值。花卉为什么具有向光性呢?这是由于其体内生长素作用的结果。

 

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