黄河流域粮食生产生态效率时空演进与收敛性

English

张德硕, 李敬锁

Spatialtemporal evolution and convergence of ecological efficiency of grain production in the Yellow River Basin

Zhang Deshuo, Li Jingsuo

中国农机化学报 . 2023, (11): 272 -280 . DOI: 10.13733/j.jcam.issn.2095-5553.2023.11.038