[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

叶面喷施安全浓度普遍为0.1%-0.3%,首次使用应先在部分叶片试喷24小时观察是否灼伤,宁稀勿浓;微量元素肥浓度上限低于大量元素肥

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