我国氮肥发展较快，但氮钾施肥比例失调。本文从我国施钾效果、农作物结构变化、钾肥价格和钾肥能耗等方面，论述应重视施用钾肥。我国缺少钾源，应利用国际“两资”，与钾源丰富的周边国家合建钾肥供应源地 Rapid development of nitrogen fertilizer in China, but the proportion of nitrogen and potassium fertilizer imbalance. This article discusses the application of potassium fertilizer from the aspects of potassium application, crop structure change, potash fertilizer price and potash energy consumption. Our country lacks the potassium source, should use the international “two capital”, with the potassium source rich peripheral country synthesis potash supply source