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土壤残留碱度
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土壤残留碱度
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农学
土壤残留碱度
释
soil residual alkalinity
土壤残留碱度
土壤中除钙、镁离子外其余碱性离子产生的浓度。其数量为土壤溶液中总碱度与钙、镁离子总量之差。
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public switched telephone network
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