水氮调控对葡萄园土壤温室气体排放及其增温潜势的影响

刘巧,吉艳芝,郭艳杰,张丽娟,张杰,韩建

Effects of Water and Nitrogen Regulation on Greenhouse Gas Emissions and Warming Potential in Vineyard Soil

LIU Qiao,JI YanZhi,GUO YanJie,ZHANG LiJuan,ZHANG Jie,HAN Jian

表2 N2O、CO2和CH4的全球增温潜势

Table 2 The GWPs of N2O, CO2 and CH4

处理 Treatment CO2 GWP （kg C·hm-2） CH4 GWP （g C·hm-2） N2O GWP （kg C·hm-2） 总GWP Total GWP （kg C·hm-2） 葡萄产量 Yield （kg·hm-2） 传统水氮Traditional water and nitrogen 3816.05 0.61 443.29 4259.35 12816.75a 移动水肥Mobile water and fertilizer 3387.33 -0.76 312.98 3700.32 14960.40a 优化水氮Optimized water and nitrogen 3410.95 -0.37 321.13 3732.08 13946.10a 优化水氮+DMPP Optimized water and nitrogen+DMPP 3412.06 -0.31 301.04 3713.10 15296.85a