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硝酸钾(KNO_3)含有K、N两种组分,既能为土壤提供氮素供应,又能为作物提供钾。两元素相互促进植物吸收利用,可提高作物品质和产量。现在我国部分省市蔬菜上试验效果良好,深受农民好评。 湖北省农科院土肥所等在番茄、辣椒、黄瓜上进行硝酸钾的肥效试验。在黄州市番茄丽春品种上连喷7％硝酸钾4次,比对照增产296公斤,增加收入737元;在浠水县和黄
Potassium nitrate (KNO 3) contains both K and N components to provide nitrogen to the soil and K to the crop. The two elements promote the absorption and utilization of plants and improve crop quality and yield. Now some provinces and cities in our country vegetables test results are good, well received by farmers. Soil and Fertilizer Institute of Hubei Academy of Agricultural Sciences in tomato, pepper, cucumber on the fertilizer effect of potassium nitrate test. In Huangzhou City, Lai Chun-breed spray even spray 7% potassium nitrate 4 times, yield 296 kg more than the control, an increase of income 737 yuan; in Xishui County and yellow