河套灌区杭锦后旗间套作种植生产现状及限制因素分析
侯岳, 宋涛, 徐俊平, 李杰, 赵强, 李春杰, 陈范骏

Analysis of Production Status and Limiting Factors of Intercropping Systems in Hanggin Rear Banner, Hetao Irrigation District
Hou Yue, Song Tao, Xu Junping, Li Jie, Zhao Qiang, Li Chunjie, Chen Fanjun
图3 不同间套作体系的时间生态位分离
Fig.3 TND of different intercropping systems