钾是水稻增产的关键因素近年来我省许多地方在水稻栽培中施用钾肥，表现出显著的增产效果。这标志着施用充足的钾肥可以使水稻养分协调平衡，获得良好的经济效益。农业生产条件的综合改善，水稻产量的大幅度提高，必须从土壤中吸取大量的矿质元素。单从“三要素”考虑，人... Potassium is a Key Factor for Rice Yield In recent years, many places in our province have been using potassium fertilizer in rice cultivation, showing a significant yield-increasing effect. This indicates that adequate application of potassium fertilizer can make the rice nutrient balance and achieve good economic benefits. Comprehensive improvement of agricultural production conditions, a substantial increase in rice production, must absorb a large number of mineral elements from the soil. From the “three elements” alone, people ...