[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

碱性土(pH>7.5)降碱首选硫磺粉,用量约100-200g/㎡可降0.5-1个pH单位,需土壤微生物氧化,夏季高温期见效更快(1-2个月)

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