连续施用土壤改良剂对沙质潮土肥力及活性有机碳组分的影响
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Effects of Continuous Application of Soil Amendments on Fluvo- Aquic Soil Fertility and Active Organic Carbon Components
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图2. 不同处理土壤碳库指标的主成分分析 |
Fig. 2. Principal component analyses (PCA) of soil carbon indices under two soil amendments |
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