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China is one of the origin countries in Asia of culti-v ated rice(O.sativaL.),and rice is one of theaged-long food crops in the country.The resultsof the ~(14)C evaluation on the carbonified rice grainsunearthed from Hemudu in Yuyao County andLuojiajiao in Tongxiang County of Zhejiang Prov-ince indicated that rice in these area has been plant-
China is one of the origin countries in Asia of culti-v ated rice (O.sativaL.), And rice is one of theaged-long food crops in the country. The results of the ~ (14) C evaluation on the carbonified rice grainsunearthed from Hemudu in Yuyao County andLuojiajiao in Tongxiang County of Zhejiang Prov-ince indicates that rice in these area has been plant-