退耕还草对中国食物安全的影响

李蕊超, 林慧龙

Impact of Returning Farmland to Grassland on Chinese Food Security—A Case Study of Gansu Province

LI Rui-chao, LIN Hui-long

. 2014, (1): 22 -26 . DOI: 10.11733/j.issn.1007-0435.2014.01.005