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一、材料与方法1.试验材料供试肥料为土壤瓜菜专用配方肥,总养分含量≥42%,其中氮占14%,磷占22%,钾占6%。2.试验设计处理1,每667米2基施瓜菜专用配方肥35千克,全生育期667米2追施尿素20千克;处理2(常规),每667米2基施磷酸二铵15千克,全生育期667米2追施尿素20千克。
I. Materials and Methods 1. Test Materials The tested fertilizers were special fertilizer for soil melon. The total nutrient content was ≥42%, of which nitrogen accounted for 14%, phosphorus accounted for 22% and potassium accounted for 6%. 2. Experimental design and processing 1, 667 m 2 Basis vegetable special formula fertilizer 35 kg, the entire growth period of 667 m 2 topdressing urea 20 kg; treatment 2 (conventional), every 667 m 2 base 15 kg of diammonium phosphate , The whole growth period of 667 m 2 topdressing urea 20 kg.