短期生物炭添加对不同类型土壤细菌和氨氧化微生物的影响
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Short-Term Effect of Biochar Amendments on Total Bacteria and Ammonia Oxidizers Communities in Different Type Soils
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图4. 不同土壤各处理间主成分分析 |
Fig. 4. Principal component analysis of each soil treatment |
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