• KOREAN JOURNAL OF CROP SCIENCE
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• v.41 no.3
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• pp.376-383
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• 1996

Distribution of archaeological sites where the rice and Itallian millets were excavated was discussed in relation to the rice culture of Yangshao era. According to the distribution of the sites where the rice and Italian millet remains were excavated, the putative border of rice growing area, Italian millet growing area and mixed-cropping area were drawn. Discussions were made about the drifting of the area of mixed-cropping, north and south, depending on the climates of archaeological eras, The climates of the eras were discussed with the various remains of animals and plants excavated from each era's sites. Examining the chronology of mixed-cropping area the extension of rice culture were traced chronologically. And the extension of rice culture towards north-east during the last period of Yangshao era, and the feasibilities of transfer to the Han-river mouth area in Korea, 5,000 aBP(about Before Present), were discussed.