氮磷钾复合肥
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N P K compound fertilizer 氮磷钾复混肥料
humic acid n-p-k compound fertilizer 腐殖酸氮磷钾复合肥
·2,447,543篇论文数据，部分数据来源于NoteExpress
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
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