介绍用元素磷 （或磷酸或磷肥 ）和氯化钾生产偏磷酸钾肥料的工艺及产品肥效。
Technological process and efficiency of the fertilizer potassium metaphosphate from phosphorus, phosphoric acid or phosphate fertilizer and potassium chloride were introduced.
介绍用元素磷 （或磷酸或磷肥 ）和氯化钾生产偏磷酸钾肥料的工艺及产品肥效。
Technological process and efficiency of the fertilizer potassium metaphosphate from phosphorus, phosphoric acid or phosphate fertilizer and potassium chloride were introduced.
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