
Spatial differences of agri-technique diffusion environment in Northwestern China: A case study of counties in Shaanxi-Gansu-Ningxia region
YU Zhengsong, LI Tongsheng, LI Xianbo, SUN Dongqi
PROGRESS IN GEOGRAPHY ›› 2013, Vol. 32 ›› Issue (4) : 618-626.
Spatial differences of agri-technique diffusion environment in Northwestern China: A case study of counties in Shaanxi-Gansu-Ningxia region
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 |
|
〉 |