Study on the Remains of Ancient Rice from Kuahuqiao Site in Zhejiang Province
Study on the Remains of Ancient Rice from Kuahuqiao Site in Zhejiang Province
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作者：
Z. Yun
为了了解新石器时代水稻种植的起源，对浙江杭州郊区新发掘的中国快湖桥遗址进行了植硅体分析和植物遗骸调查，年代为7000年至8000a BP。植硅体分析表明，除第11层外，其余各层都有来自水稻运动细胞的植硅体，它们的体积都很大，形态上与粳型相似。用漂浮法调查植物遗骸表明，在第5~11层有大量的稻米残骸，如稻米、稻壳和稻壳。稻米的长宽比为2.71，稻米的长宽比为2.68，两者形态相似。由此可见，长江下游地区是水稻种植的发源地，快湖桥遗址出土的古稻是一个不完全分化的种群。
To understand the origin of rice cultivation in the Neolithic age, analysis of phytolith and investigation of plant remains had been carried out in the newly excavated Kuahuqiao site located in the suburbs of Hangzhou, Zhejiang Province, China, dated from 7000 to 8000 a BP. Analysis of phytolith showed the presence of phytoliths from motor cells of rice in every layer, excepting the 11 th layer, all of which were large in size, morphologically similar to those of japonica type. Investigation of plant remains by floating method showed that there were a lot of rice remains, such as rice grain, hulled rice and rice husk in the 5 th to 11 th layers. The ratio of length to width was 2.71 of rice grain and 2.68 of the hulled rice, both morphologically similar to those of indica type. It could be assumed from the results that the lower reaches of the Yangtze River are the home of rice cultivation, and that the ancient rice excavated from Kuahuqiao site was an incompletely differentiated population.