人工草地土壤有机碳组分与微生物群落对施氮补水的响应
徐梦1,徐丽君2,程淑兰3,方华军1,3(
),卢明珠1,于光夏3,杨艳1,耿静1,曹子铖3,李玉娜3
),卢明珠1,于光夏3,杨艳1,耿静1,曹子铖3,李玉娜3
Responses of Soil Organic Carbon Fractionation and Microbial Community to Nitrogen and Water Addition in Artificial Grassland
XU Meng1,XU LiJun2,CHENG ShuLan3,FANG HuaJun1,3(),LU MingZhu1,YU GuangXia3,YANG Yan1,GENG Jing1,CAO ZiCheng3,LI YuNa3
),LU MingZhu1,YU GuangXia3,YANG Yan1,GENG Jing1,CAO ZiCheng3,LI YuNa3
图2. 3种牧草种植模式下不同水氮处理土壤酶活性的变化
柱状图表示为平均值±标准误差。不同的小写字母表示各土壤酶活性在不同水氮处理之间有显著差异（P<0.05）
Fig. 2. Responses of extracellular enzyme activity to different N and water treatments under three forage cultivation types
Bars indicate mean value ± SE. Different lowercase letters indicate significant differences in individual enzyme activity among different N and water addition treatments by Duncan’s multiple range tests (P<0.05)
