不同类型氮肥对东北春玉米土壤N2O和CO2昼夜排放的影响

姚凡云,刘志铭,曹玉军,吕艳杰,魏雯雯,吴兴宏,王永军,谢瑞芝

Diurnal Variation of N2O and CO2 Emissions in Spring Maize Fields in Northeast China Under Different Nitrogen Fertilizers

YAO FanYun,LIU ZhiMing,CAO YuJun,LÜ YanJie,WEI WenWen,WU XingHong,WANG YongJun,XIE RuiZhi

图1 不同时期气温、地温和土壤含水量的昼夜变化 图中S1—S6分别代表苗前、苗期、拔节期、灌浆期、蜡熟期和休闲期。下同

Fig. 1 Diurnal variation of air temperature, soil temperature and soil water content in different periods S1 to S6 in the figure represent pre-emergence stage, seedling stage, jointing stage, filling stage, dough stage and fallow period, respectively. The same as below