Food Security of Main Grain Sales Regions in China——Based on a Gap in Balance between Grain Supply and Demand
YANG Dongqun, JIANG Heping*
Journal of Agricultural Science and Technology . 2017, (7): 1 -9 .  DOI: 10.13304/j.nykjdb.2016.617

京ICP备05021913号-17　京公网安备11010802021197号
Copyright © Journal of Agricultural Science and Technology, All Rights Reserved.
Tel: 010-82109848　E-mail: nykjdb@163.com; nkdb@caas.cn
Powered by Beijing Magtech Co., Ltd.