Unverified90% confidenceDecision RuleTime unknown
未洗盐椰糠电导率(EC)常高达3-6 mS/cm，会灼伤根系；选购要求EC≤0.5 mS/cm（已洗盐/低盐处理）或标注'washed/buffered'，进口低盐椰糠更可靠
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