[KongchangAI]
Unverified90% confidenceCautionTime unknown

四合一及以下(湿度/pH/光照/温度)的无电池插针式检测仪普遍无法真正测量氮磷钾(NPK),标榜测NPK的低价插针仪其读数是根据土壤电导率反推的估算值,误差极大,需要真实NPK数据应选带比色试剂盒或专业电导率仪

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Long-term
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