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

表5 不同处理下土壤活性碳各组分有效率（%）

Table 5 Changes of the ratios of soil available carbon content to soil organic carbon with two soil amendments (%)

处理Treatment LOC/TOC MBC/TOC DOC/TOC CK 32.13±1.03a 5.05±0.41a 0.64±0.02ab T1 28.09±1.21b 4.02±0.34c 0.58±0.02b T2 32.23±0.83a 4.57±0.12ab 0.65±0.07ab T3 28.27±2.44b 4.19±0.30bc 0.67±0.03a