The world’s potash resource is abundant ,but it’s distribution is extremely uneven .The potash resource in China is lack relatively ,and the reserves is only 2% of the world’s .China's unique system of farming and population determines the importance of potash resources .At present ,China has become the world's largest importer of potash .It has important strategic significance for China's potash industry development and food security how to reverse China’s relatively insufficient potash production capacity to expand domestic supply capacity .%世界钾盐资源丰富，但分布极为不均。中国钾盐资源相对不足，储量仅占世界的2％。中国特有的农业耕作体系及人口决定了钾盐资源的重要性。当前，中国已成为世界最大钾盐进口国，如何扭转中国钾盐生产能力相对不足，扩大国内外供应能力，这对中国钾盐产业发展及粮食安全具有重要的战略意义。
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