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分析宿豫县蔬菜施肥状况及施肥存在的问题。提出蔬菜施肥要“控氮、稳磷、增钾、添微”
Analyze the situation of vegetable fertilization in Suyu County and the problems of fertilization. Proposed vegetable fertilization to “control nitrogen, phosphorus, potassium, Tim micro”