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为什么种花生要放石灰
更新时间: 2020-09-22 00:00:00  

用生石灰去种花生有三个原因:

1、若花生缺钙会造成空壳率增加,而生石灰主要成分是氧化钙,适当施用可以为花生补充钙质;

2、一般种植花生土壤为酸性情况下合理施用生石灰(氧化钙呈碱性)可以调节土壤酸碱度使花生生长更为有利;

3、生石灰有一定的杀菌杀虫作用,但生石灰过多易导致花生死亡。

关键词: 为什么 花生 石灰

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