几种蔬菜作物缺钾诊断与防治河南省农科院土肥所李贵宝李克刚新郑市农业局杨新春李红军在蔬菜吸收的营养元素中，钾是一个被大量吸收的营养元素。蔬菜吸收钾元素后，必须降低了土壤中钾的含量，因此为保证蔬菜的高产、稳产和优质，必须施用一定量的钾肥，否则就会造成作物... Several vegetables crop potassium deficiency diagnosis and control of Henan Academy of Agricultural Sciences soil and fertilizer Li Guibao Li Kegang Xinzheng City Bureau of Agriculture Yang Xinchun Li Hongjun Nutritional elements absorbed in vegetables, potassium is a large number of nutrients absorbed. After the vegetable absorbs the potassium element, must reduce the potassium content in the soil, therefore in order to guarantee vegetables the high yield, the stable yield and the high quality, must use the certain amount of potash fertilizer, otherwise will cause the crop ...