氮磷添加对昆仑山北坡高山草地N<sub>2</sub>O排放的影响

氮磷添加对昆仑山北坡高山草地N₂O排放的影响

曹登超,高霄鹏,李磊,桂东伟,曾凡江,匡文浓,尹明远,李言言,艾力•甫拉提

Effects of nitrogen and phosphorus additions on nitrous oxide emissions from alpine grassland in the northern slope of Kunlun Mountains, China

CAO Deng-Chao,GAO Xiao-Peng,LI Lei,GUI Dong-Wei,ZENG Fan-Jiang,KUANG Wen-Nong,YIN Ming-Yuan,LI Yan-Yan,Aili PULATI

表2 不同氮磷添加处理下昆仑山北坡高山草地的植物地上部生物量(平均值±标准误差)

Table 2 Plant above-ground biomass under different nitrogen and phosphorus addition treatments in alpine grassland in the northern slope of Kunlun Mountains (mean ± SE)

处理 Treatment	地上部生物量 Above-ground biomass (g·m^-2)	p
对照 CK	192.78 ± 27.03^A
氮添加 nitrogen addition	192.13 ± 34.07^A	0.96
磷添加 phosphorus addition	176.02 ± 30.45^A	0.62
氮磷交互 nitrogen + phosphorus addition	178.57 ± 28.38^A	0.96