... 蛋白性氮albuminoid nitrogen 总有机氮total organic nitrogen 基耶达（kjeldahl）氮kjeldahl nitrogen ...
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The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
Organic carbon and total nitrogen in bed load had enrichment phenomenon.
推移质中有机碳和全氮均有富集现象。
Total nitrogen and organic matter contents had the same distributed patterns, which were higher in the north, but lower in the middle and south part.
全氮和有机质含量的分布格局基本一致，具有北部高、中部和南部低的分布特征。
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