Substantial Study on Cultivation Process of Plants in Prehistoric Far East using “Replication method”

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In Japanese archaeological studies it has been controversial for about one century that agriculture existed in Jomon Society. No reliable botanical remains which demonstrate the existence of plant domestication in Jomon Period has made the issue unsolved. To solve the problem we employed "Replication-SEM Method" for searching the correct domestications from Jomon and Early Yayoi Pottery. And we have an additional plan to establish the logical and methodological standpoint of the method in the botani-archaeological study.During our study time we have examined about 400, 000 pieces of potsherds from 171 Jomon and Yayoi sites in Japan and 9 Neolithic sites in neighboring countries and discovered 552 seeds and insect impressions. Based on these evidences we have obtained more useful and correct information on the Jomon cultigens than previously have been thought.