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可以。磷酸二铵是一种高浓度氮磷复合化肥,若用其做玉米种肥必须掌握:1.每亩用量20～30斤(相当于氨化过石或氮磷复合肥70～100斤)。
can. Diammonium phosphate is a high concentration of nitrogen and phosphorus compound fertilizer, if used to make corn fertilizer must master: 1. The amount of 20 to 30 kg per mu (equivalent to ammoniated stone or nitrogen and phosphorus fertilizer 70 to 100 pounds).