@article{ZHAO Yu-luan_323, author = {ZHAO Yu-luan, LI Xiu-bin, XIN Liang-jie, HAO Hai-guang}, title = {Driving forces of "poplar expansion and cropland shrinkage" in the North China Plain:A case study of Wen'an County,Hebei Province}, publisher = {GEOGRAPHICAL RESEARCH}, year = {2012}, journal = {GEOGRAPHICAL RESEARCH}, volume = {31}, number = {2}, eid = {323}, pages = {323-333}, keywords = {

North China Plain;food security;"poplar expansion and cropland shrinkage";driving forces;Wen'an County

}, doi = https://www.dlyj.ac.cn/EN/10.11821/yj2012020012 }