Conclusion: Studying dissolving condition of silicon in potassium-calcium fertilizer by the uniform design method is feasible.

结论利用均匀设计法研究钾钙肥中硅的溶出条件是可行的。

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Is a long-acting fertilizer for acid soils or neutral soil, the supply of plant phosphorus, magnesium and silicon, calcium element.

是一种长效磷肥，适用于酸性土壤或中性土壤，供给植物磷、镁和硅、钙等元素。

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