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16 天
玉米为什么要剪掉上面的花
一、玉米剪掉上面花的原因 玉米花是属于雄花,在授粉完成之后剪掉,能够起到打顶的作用,去掉茎的生长点,抑制生长素分泌,抑制营养生长促进生殖生长,促使多开花结果,能提高玉米的产量。 二、玉米的基本介绍 ...
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