Signs of agriculture found 12,000 years ago in China

Signs of agriculture found 12,000 years ago in China

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The first evidence we have on agriculture dates in the archaeological record from about 10,000 years, although scientists have investigated grinding tools found in a deposit that has 23,000 years, and that they could be about 2,000 years older.

Now, Chinese professor of archeology at Stanford, Li Liu has revealed that in the north china the same type of seed grinding tools have been used, adjusting the agricultural clock of China, about 12,000 years and putting it on a par with the agrarian past of the Middle East.

Are the first found grinding slabs from the Paleolithic period around the world. These consist of a couple of stones that were rubbed together to grind the seeds and tubers and be turned into flour. In addition, after the use of these pieces, residues of starch grains have remained in them, these can be analyzed to find out what type of plants their former owners ground.

Lui focused on the stones of a More than 23,000-year-old deposit in Río Amarillo, in northern China, with special emphasis on the Holocene period (a period of 10,000 years old in which animals began to be domesticated and cultivated). These remains are the First evidence that northern China used agricultural methods comparable to other regions in the same period.

Liu assures that the origin of agriculture This much earlier than 10,000 years ago, since these grinding stones found reveal that the ancients had to become familiar with the exploited plants before, which gave rise to agriculture a little later.

Indeed, the starch analysis it has left traces of herbs, beans, wild seeds and roots with which they became familiar: these, coincide with the foods that were grown in the region thousands of years later. The ground seeds could even have been used to make rock paintings on adaptation to climate change in the ice age, paintings that show us "a similar general evolutionary trend around the world, although independent," Liu says.

Furthermore, the use of estate indicates that our ancestors may have developed a understanding of its properties medicinal.

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