[KongchangAI]
Unverified80% confidenceFactTime unknown

液体有机肥NPK浓度普遍低于化学肥(有机氮多在2-5%),标称'高浓缩'的产品需看稀释倍数,通常需稀释500-1000倍使用,别按化肥剂量直接浇

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