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磷酸钾铵系全水溶性高效型氮、磷、钾复合肥。试验在习惯用肥基础上每亩用含65％及50％磷酸钾铵0.5公斤及0.75公斤,兑水75公斤喷雾。以亩用磷酸二氢钾0.15公
Ammonium phosphate is a water-soluble and efficient nitrogen, phosphorus and potassium compound fertilizer. Test on the basis of the habit of fertilizer per acre with 65% and 50% potassium ammonium phosphate 0.5 kg and 0.75 kg, watered 75 kg spray. To mu potassium dihydrogen phosphate 0.15 public