深松与免耕频次对黄土旱塬春玉米田土壤团聚体与土壤碳库的影响
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Effects of Subsoiling and No-Tillage Frequencies on Soil Aggregates and Carbon Pools in the Loess Plateau
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图4. 不同深松频次处理土壤总有机碳(TOC)及活性有机碳(EOC)含量 |
Fig. 4. TOC and EOC content in soil under different frequency of subsoiling treatments |
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