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1 不同植物叶片及其可溶性有机质(DOM)的性质(平均值±标准偏差)

Table 1 Characterizations of leaves and dissolved organic matter (DOM) from different plant sources (mean ± SD)

DOM来源 DOM from different plant sources	溶解有机碳含量 Dissolved organic carbon content (g·kg^-1)	溶解有机氮含量 Dissolved organic nitrogen content (mg·kg^-1)	腐殖化指数 Humification index	酸碱度 pH
杉木 Cunninghamia lanceolata	19.32 ± 0.90^a	7.63 ± 1.44^b	0.27 ± 0.02^c	5.44 ± 0.11^b
木荷 Schima superba	12.77 ± 2.86^b	26.10 ± 2.11^a	1.67 ± 0.55^b	5.28 ± 0.03^c
楠木 Phoebe zherman	6.95 ± 0.45^c	11.20 ± 2.72^b	4.36 ± 0.59^a	5.76 ± 0.02^a
p	<0.01	<0.01	<0.01	<0.01