@article{HE Fanneng_64, author = {LI Meijiao, HE Fanneng, XIAO Ran}, title = {Characteristics of cropland change in China, the United States, Brazil and India over the past 300 years}, publisher = {PROGRESS IN GEOGRAPHY}, year = {2015}, journal = {PROGRESS IN GEOGRAPHY}, volume = {34}, number = {1}, eid = {64}, pages = {64-72}, keywords = {cropland;driving force;regional comparison;past 300 years;China;the United States;Brazil;India}, doi = https://www.progressingeography.com/EN/10.11820/dlkxjz.2015.01.008 }