granted by China Geological Survey Project(12120113087700);Fundamental Research Funds for the Central Universities(2652014017);the National Eleventh Five-year Supporting Plan for Science and Technology(2006BAD10B04);Specialized Research Funds for Doctoral Program of Higher Education(1999049114);supported by the Provincial Science and Technology Programs of Henan(0524250042);Inner Mongolia(20020307);Shanxi(001065);Beijing(953500400);enterprises of Shaanxi Daqin Potassium Industry Corporation;Tongling Chemical Industry Group Corporation;Shanxi Ziguang Potassium Industry Corporation;Henan Qianhe Mining Corporation;the Geological Survey of Tianjin
Long-term research on key techniques of clean utilization of potassic rocks from over twenty localities has been performed to settle the shortage of soluble potassium resources in China. The results show that K-feldsp...