不同植物来源可溶性有机质对亚热带森林土壤酶活性的影响

梅孔灿, 程蕾, 张秋芳, 林开淼, 周嘉聪, 曾泉鑫, 吴玥, 徐建国, 周锦容, 陈岳民

Effects of dissolved organic matter from different plant sources on soil enzyme activities in subtropical forests

MEI Kong-Can, CHENG Lei, ZHANG Qiu-Fang, LIN Kai-Miao, ZHOU Jia-Cong, ZENG Quan-Xin, WU Yue, XU Jian-Guo, ZHOU Jin-Rong, CHEN Yue-Min

表4 土壤理化性质、微生物生物量和酶活性与叶片可溶性有机质(DOM)性质的相关性分析

Table 4 Correlation analysis of soil physical and chemical properties, microbial biomass and enzyme activities with properties of dissolved organic matter (DOM) of fresh leaves

DOM性质 DOM property	土壤理化性质 Soil physical and chemical properties						微生物生物量Microbial biomass		土壤酶活性 Soil enzyme activities
DOM性质 DOM property	SOC	TN	C:N	pH	DOC	DON	MBC	MBN	βG	CBH	PEO	PPO
L-DOC	-0.79^*	-0.73^*	0.69^*	0.59	0.12	0.83^**	0.14	-0.78^*	0.87^**	0.94^**	-0.10	-0.25
L-DON	-0.15	0.16	-0.52	0.14	0.16	-0.46	-0.25	-0.27	-0.51	-0.30	-0.20	-0.84^**
L-HIX	0.81^**	0.79^*	-0.69^*	-0.59	-0.52	-0.76^*	0.04	0.90^**	-0.86^*	-0.93^*	-0.08	0.44
L-pH	0.52	0.65	-0.14	-0.47	-0.39	-0.19	0.14	0.86^**	-0.34	-0.54	0.09	0.88^**