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1.磷酸二铵随水撒施:磷酸二铵随水撒施,很容易造成氦素的挥发损失,磷素也只停留在地表,不容易送到至作物的根旁。因此,对磷酸二铵应提倡基施,如作追肥应早施,开沟深施,施后覆土。一般要求施肥深度10厘米左右。
1. Diammonium phosphate sprinkle with water: diammonium phosphate spread with the water, it is easy to cause the loss of volatile He, phosphorus only stay on the surface, not easy to reach the root of the crop. Therefore, the diammonium phosphate should be based on the facilities, such as dressing should be applied as soon as possible, dredging deep facilities, Shi Tu soil after. Generally require fertilizer depth of about 10 cm.