【起源与传播】我国是水稻起源国,也是生产和消费大国,近几年种植面积4.5亿亩左右,居世界第2位。据考古发现,我国栽培稻的历史最早可追溯到1.2万~1.4万年以前。大约在3000多年前的殷周之交,我国水稻种植北传朝鲜、日本,南传越南。汉代,我国粳稻传到菲律宾。5世纪,水稻经伊朗传到西亚,然后经非洲传到欧洲。新大陆 Origin and Dissemination China is a rice-producing country and a big producer and consumer country. In recent years, its planting area is about 450 million mu, ranking the second in the world. According to archaeological findings, the history of cultivated rice in China can be traced back as early as 12,000 to 14,000 years ago. At about the turn of the Yin and Zhou dynasties more than 3,000 years ago, rice cultivation in our country spread North Korea, Japan and Vietnam in the South. Han dynasty, China’s rice came to the Philippines. In the 5th century, rice was transmitted to West Asia via Iran and then to Africa via Africa. New World