单位粮食生产节水量
water saving of unit grain produce
东北平原粮食主产区
main grain production region in northeast China plain
多途径发展粮食生产
Multiple Ways for Grain Production Development
福建粮食基地县生产
the products of grain-producing county in Fujian
甘肃省农业科学院粮食作物研究所
Grain Crop Institute of Gansu Academy of Agricultural Sciences
耕地粮食生产力相对指数
grain productivity of cultivated lan
关于粮食安全问题探析
Discussion on Issues of Food Security