中国是世界上最大的稻米生产国和消费国,稻作面积和稻谷总产量分别占全世界的23%和37%。水稻是中国第一大粮食作物,也是单产水平最高的粮食作物。我国常年水稻播种面积约占全国粮食作物总面积的30%,其产量约占粮食总产量的40%。中国不仅稻作历史悠久,而且水稻育种科技水平也是世界领先。 China is the largest producer and consumer of rice in the world with total paddy area and total paddy output accounting for 23% and 37% of the world’s total respectively. Rice is China’s largest food crop and also the highest-yielding food crop. Perennial rice planting area in China accounts for about 30% of the total area of ​​grain crops in the country, and its output accounts for about 40% of the total grain output. Not only has China’s rice cultivation has a long history, but also the world’s leading scientific and technological level in rice breeding.