减量施氮对玉米-大豆套作系统土壤氮素氨化、硝化及固氮作用的影响

雍太文,陈平,刘小明,周丽,宋春,王小春,杨峰,刘卫国,杨文钰

Effects of Reduced Nitrogen on Soil Ammonification, Nitrification, and Nitrogen Fixation in Maize-soybean Relay Intercropping Systems

Tai-Wen YONG,Ping CHEN,Xiao-Ming LIU,Li ZHOU,Chun SONG,Xiao-Chun WANG,Feng YANG,Wei-Guo LIU,Wen-Yu YANG

图1 作物种植模式及土壤取样布局示意图 A为玉米-大豆套作; B为玉米单作; C为大豆单作。

Fig. 1 Schematic diagram of planting patterns and soil sample points A: maize/soybean relay intercropping; B: maize monoculture; C: soybean monoculture.