长期免耕和深松提高了土壤团聚体颗粒态有机碳及全氮含量
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Long-Term Conservation Tillage Enhanced Organic Carbon and Nitrogen Contents of Particulate Organic Matter in Soil Aggregates
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图3. 不同耕作措施下土壤密度组分有机碳含量及对团聚体有机碳的贡献率 |
Fig. 3. SOC contents and relative contribution of density fractions with aggregates under different tillage treatments |
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