@article{封志明_105, author = {[封志明, 张蓬涛, 杨艳昭]}, title = {西北地区的退耕规模、粮食响应及政策建议}, publisher = {地理研究}, year = {2003}, journal = {地理研究}, volume = {22}, number = {1}, eid = {105}, pages = {105-113}, keywords = {

西北地区;耕地;粮食响应;政策建议

}, doi = https://www.dlyj.ac.cn/CN/10.11821/yj2003010013 }