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本文根据我国钾肥紧缺和天然难溶性钾矿资源状况，论述了几种主要难溶性钾矿资源的开发利用途径、方法和工艺，以阐明我国难溶性钾肥资源开发利用的可行性和重要性
Based on the situation of potassium deficiency and natural insoluble potassium resources in our country, the ways, methods and processes of development and utilization of several major insoluble potassium resources are discussed in order to clarify the feasibility and importance of the development and utilization of the insoluble potassium resources in our country