The presence of striations and residue reveal the techniques used in harvesting. A study led by Dartmouth has uncovered the earliest evidence of rice harvesting, dating back to 10,000 years ago in southern China. The research team analyzed stone tools and found evidence of two methods used for harv
Rice is one of the oldest and most important food crops in the world. It has a long and rich history, dating back to ancient civilizations in Asia.Dartmouth
“For quite a long time, one of the puzzles has been that harvesting tools have not been found in southern China from the early Neolithic period or New Stone Age — the time period when we know rice began to be domesticated,” says lead author Jiajing Wang, an assistant professor of anthropology at Dartmouth.
Schematic representation of rice harvesting methods using a finger-knife and sickle. Credit: Jiajing Wang Fine striations, high polish, and rounded edges distinguished the tools that were used for cutting plants from those that were used for processing hard materials, cutting animal tissues, and scraping wood.
The findings from the use-wear and phytolith analyses illustrated that two types of rice harvesting methods were used — “finger-knife” and “sickle” techniques. Both methods are still used in Asia today.
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