Unverified90% confidenceDecision RuleTime unknown
有机质含量≥45%且执行NY/T 525农业行业标准的产品为合格有机肥,低于30%的多为掺土掺沙的劣质产品
1
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90%
Confidence
Long-term
Relevance
-
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Unverified购买有机肥优先看有机质含量,国标要求商品有机肥有机质≥45%(NY 525-2021标准),低于30%的多为掺土掺杂产品,实际肥效差89% similarUnverified有机质含量(干基)应≥30%达标,优质堆肥可达45%以上;标注<25%的多为掺土稀释产品,改土效果差89% similarUnverified正规商品有机肥执行NY/T 525标准,会标注有机质含量、总养分(N+P2O5+K2O)≥5%、水分≤30%及无害化处理指标;无执行标准号或只标'纯天然'的产品慎买84% similarUnverified腐叶土有机质含量优质品可达30%-50%,远高于普通园土(2%-5%),这是其作为改良基质的核心价值,选购时优先看有机质≥30%的标注81% similarUnverified有机米粉的有机原料比例要求:标注'有机'的产品有机配料含量需≥95%,标注'含有机成分'的仅需≥70%,两者监管等级不同,购买时应查看包装具体措辞76% similar
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