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。
2
Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear.