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选用腐植酸钠作为粘合剂，对钙镁磷肥进行造粒，得到的颗粒钙镁磷肥产品达到了出口日本的标准，此法值得推广和应用。
Selection of sodium humate as a binder, granulation of calcium magnesium phosphate, the resulting particles of magnesium magnesium phosphate fertilizer products exported to Japan reached the standard, this method is worth promoting and application.