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
周吉祥(),张贺,杨静,李桂花(),张建峰()
Effects of Continuous Application of Soil Amendments on Fluvo- Aquic Soil Fertility and Active Organic Carbon Components
ZHOU JiXiang(),ZHANG He,YANG Jing,LI GuiHua(),ZHANG JianFeng()

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