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匈牙利专家最近发明一种减少20%农用矿肥照样获得丰产的新工艺。具体作法是,在矿肥中拌入一定量的中性掺和物。这种中性掺和物可减少土壤中磷和钾的损
Hungarian experts have recently invented a new technology that will reduce fertility by as much as 20% of agricultural fertilizer. The specific practice is to mix a certain amount of neutral fertilizer in mineral fertilizer. This neutral blend reduces soil P and K losses