The neolithic ruins of rice cultivation play an important role in the study on origin,evolution and propagation of cultivated rice. There are more than one hundred neolithicsites in China. where the ruins of rice have...The neolithic ruins of rice cultivation play an important role in the study on origin,evolution and propagation of cultivated rice. There are more than one hundred neolithicsites in China. where the ruins of rice have been found. and 80 percent of them and allthe earlier ones (Hemudu and LuoJiajiao. about 7 ka B.P.: Pengtoushan. about 7.5—9 kaB. P.) are distributed over the areas of the Yangtze River. Are there the earlier. cultivatedrice in the areas of the Yellow River and Huaihe River? This problem has received展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘The neolithic ruins of rice cultivation play an important role in the study on origin,evolution and propagation of cultivated rice. There are more than one hundred neolithicsites in China. where the ruins of rice have been found. and 80 percent of them and allthe earlier ones (Hemudu and LuoJiajiao. about 7 ka B.P.: Pengtoushan. about 7.5—9 kaB. P.) are distributed over the areas of the Yangtze River. Are there the earlier. cultivatedrice in the areas of the Yellow River and Huaihe River? This problem has received