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1. 土壤团聚体颗粒密度分组示意图 |
Fig. 1. Schematic of the applied size and density fractionation procedure |
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