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河南省农科院土壤肥料研究所砂土课题组根据西瓜生物学特性及其需肥规律。砂土理化特性和土壤供肥水平等,通过多点组配试验,筛选出氮、磷、钾等多种营养元素最佳配方。郑州市光华复合肥料厂据此配方已生产出优质西瓜专用复合肥料。施用西瓜专用复合肥料可使西瓜优质高产。据试验,施用西瓜专用复合肥料与等氮
Soil and Fertilizer Institute of Henan Academy of Agricultural Sciences sand research group based on the biological characteristics of watermelon and its law of need fertilizer. Physical and chemical characteristics of sand and soil fertility level, through multi-point grouping test, screening out the best formula of a variety of nutrients such as nitrogen, phosphorus and potassium. Zhengzhou Guanghua compound fertilizer plant accordingly formula has produced high-quality watermelon compound fertilizer. Application of watermelon compound fertilizer can make high quality and high yield of watermelon. According to the test, the application of watermelon compound fertilizer and other nitrogen