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加强水稻育种促进稻作生产袁龙江，冯瑞英（中国农科院作物育种栽培研究所１０００８１）中国水稻种植面积占世界的２０．５％，居第二位。仅次于印度，产量占世界稻谷总产的３４％，居第一位，单产居第九位。我国除青海省外，各省市均有水稻种植。分析我国水稻面积、单产...
Strengthening Rice Breeding and Promoting Rice Production Yuan Longjiang, Feng Ruiying (Institute of Crop Breeding and Cultivation, Chinese Academy of Agricultural Sciences 100081) The paddy planting area in China accounts for 20.5% of the world, ranking second in the world. Second only to India, the output accounts for 34% of the world’s total paddy output, ranking first, yield ninth. In addition to China’s Qinghai Province, all provinces and cities have rice cultivation. Analysis of China’s rice area, yield ...