In addition, fertilizer deep placement with the machinery can make rice grow more steadily, have a more suitable stem height, increase effective tillering and effective ears.

另外，机械化肥深施还可以增加水稻有效分蘖和有效穗，使作物生长平稳，株高适当。

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Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear.

对于把氮肥施在植物残体覆盖层以下是否会减少氮的固定，这个问题目前尚不清楚。

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