when did a new form rice arrived in China, in which Dynasty?

Question

please answer >.< heeellpppp

Answer 1

Z. Zhao, a Chinese palaeoethnobotanist, hypothesizes that people of the Late Pleistocene began to collect wild rice. Zhao explains that the collection of wild rice from an early date eventually led to its domestication and then the exclusive use of domesticated rice strains by circa 6400 B.C. at the latest (Zhao 1998). Stone tool evidence from the Yunchanyan site in Hunan province suggests the possibility that Early Neolithic groups cultivated rice as early as circa 9000 B.C. (Crawford and Shen 1998:862). Crawford and Shen point out that calibrated radiocarbon dates show that direct evidence of the earliest cultivated rice is no older than 7000 B.C. (Crawford and Shen 1998:862). Jared Diamond, a biologist and popular science author, summarizes some of the work done by professional archaeologists mentioned above and estimates that the earliest attested domestication of rice took place in China by 7500 B.C.[5]

One early findspot of rice from Pengtoushan in the Hupei basin was dated by AMS radiocarbon techniques to 6400-5800 BC (Zohary and Hopf 2000), but most of the Neolithic sites in China with finds of charred rice and radiocarbon dates are from 5000 BC or later (Crawford and Shen 1998). This evidence leads most archaeologists to say that large-scale dry-land rice farming began between 5000 and 4500 BC in the area of Yangtze Delta (for example Hemudu culture, discovered in 1970s), and the wet-rice cultivation began at approximately 2500 BC in the same area (Liangzhu culture). It is now commonly thought that some areas such as the alluvial plains in Shaoxing and Ningbo in Zhejiang province are the cradle-lands of East Asian rice cultivation. Finally, ancient textual evidence of the cultivation of rice in China dates to 3000 years ago.


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Answer 2

i just learned about this, but i forgot the date

the dynasty is the song dynasty