Influence on the Ore of Development of the Potash Ore and the Laolu Disposing in the First Mine Area of Qarhan Saline Lake, Qinghai

Because the bischofite,it's called for the Laolu,resulted from the developmemt of the potash ore in the first mine area of the Qarhan saline lake haven't been disposed and used retionaly,the grade of the potash ore deposit were redused.The endangering will be a course for lang.The key to resolve it is how to develop and use retionaly the Laolu.