The earliest country to grow rice in the world is China, and China is the first country to cultivate and grow wild rice in the world. Archaeologists discovered artificially cultivated rice 1, years ago in Hunan, which is 3-5 years earlier than other countries that cultivated rice earlier in the world.
Rice is a cereal crop of the genus Oryza, and its representative species is rice. Rice is native to China and India. The ancestors of the Yangtze River valley in China planted rice 7, years ago.
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Rice is divided into indica and japonica rice, early rice and middle-late rice, glutinous rice and non-glutinous rice according to rice types. It is divided into conventional rice and hybrid rice according to the way of seed retention. There are other classifications, which are divided into paddy rice and floating rice according to whether there is soilless culture or not; According to the life cycle, it is divided into seasonal rice and "lazy rice" (new year's ratooning rice); According to the height, it is divided into ordinary rice and giant rice about 2 meters; According to salt tolerance and alkalinity, it can be divided into ordinary light rice and "sea rice" (in fact, it mainly uses fresh water).
China scientists have made rare contributions to rice research in the world: Academician Yuan Longping is known as the "father of hybrid rice", Academician Zhu Yingguo has made outstanding contributions to the research of hybrid rice, and farmer Hu Daishu invented the new year's ratooning rice and so on.