长期施肥对红壤性水稻土不同土层活性有机质及碳库管理指数的影响

李小磊,张玉军,申凤敏,姜桂英,刘芳,柳开楼,刘世亮

The Effects of Long-Term Fertilization on the Labile Organic Matter and Carbon Pool Management Index in Different Soil Layers in Red Soil

XiaoLei LI,YuJun ZHANG,FengMin SHEN,GuiYing JIANG,Fang LIU,KaiLou LIU,ShiLiang LIU

表2 各活性有机质与土壤碳氮养分及水稻产量相关性分析

Table 2 The correlations among different labile soil organic carbon components, soil organic carbon, nitrogen nutrients and rice yield

MLOM HLOM SOM TN SMBC DOC RY LLOM 0.948** 0.949** 0.911** 0.828** 0.461 0.713** 0.762** MLOM 0.857** 0.891** 0.761** 0.431 0.729** 0.791** HLOM 0.886** 0.942** 0.514 0.665* 0.685* SOM 0.822** 0.666* 0.487 0.910** TN 0.592* 0.574 0.626* SMBC 0.146 0.603* DOC 0.361