氯化钾施用方法及注意事项云南省土肥站６５００３４赵汝铭据云南省第二次土壤普查，全省耕地土壤中有３６７８．７万亩缺钾。近年，随着农作物高产品种的推广，单产的提高，收获物从土壤中带走的钾素增多，而有机肥施用不足，钾肥施用量少，致使耕地缺钾面积不断扩大，已... Potassium chloride application methods and precautions Soil and Fertilizer Station of Yunnan Province 650034 Zhao Ruming According to the second soil survey in Yunnan Province, there are 36.787 million mu of potassium deficiency in the arable land in the province. In recent years, with the popularization of high-yielding crop varieties, the increase of yield per unit area, the increase of potassium taken from the soil by the harvest, and the insufficient application of organic manure, the less potassium fertilizer, resulting in the continuous expansion of the potash shortage area.