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Plant Opal Analysis of Longnan Neolithic Site

ZHANG Yunfei;You Yiuling;Xu Jianmin;BIAN Qijun(Zhejiang Agricultural University,Hangzhou310029)  
The result of plant opal analysis on Longnan neolithic site of Wujiang County, Jiangsu Province,locating at the lower part of Yangtze Valley,showed that about 5000 years ago rice cutivation had been developedin this site.According to the analysis of plant opal the japonica and indica type could be distinguishedaffirmatively,and the rice population of the site was a japonica type.
【CateGory Index】: S511.102.1
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