Soybean originated in China, and most domestic scholars believe that its origin is in Yunnan-Guizhou Plateau.
Many botanists also believe that it originated from Ussuri soybean in China.
The cultivated soybeans planted now are made from wild soybeans through long-term directional selection, improvement and domestication.
Soybean originated in China, which can be proved by a large number of ancient documents in China.
In Historical Records compiled by Sima Qian (BC 145- 93) in the Han Dynasty, the first volume of Biography of Five Emperors wrote: "Emperor Yan wanted to invade the princes of the mausoleum, and the princes returned to Xuanyuan with salt.
Xuanyuan is Xiu De's army, which commands five kinds of qi and bows, caresses all the people and celebrates all directions. Zheng Xuan said, "Five kinds, millet, millet and rice." Sima Qian wrote in "Historical Records * Volume 27": "The bottom bunk is a kind of glutinous rice", which shows that Huangdi in Xuanyuan once planted glutinous rice. The Ancient History of China, edited by Zhu Shaohou, talks about the economic and cultural development of Shang Dynasty (BC16th century-BC 1 1 century) and points out: "The main crops are millet, millet, wheat (barley), rice (wheat), chaff and rice. Bohuamu pointed out: "As far as China is concerned, there was Oracle Bone Inscriptions in Shang Dynasty before 1000 BC, and of course the records were very limited.
In terms of crops, millet, millet, beans, wheat, rice, mulberry and so on. It was identified as the main crop that people relied on at that time. Qing Yan Ke Jun collated the first volume of Records of Three Ancient Dynasties, Qin and Han Dynasties, and pointed out: "Soybean was born in Sophora japonica.
Out of the falling rock valley.
Ninety days in China.
Mature after 60 days.
If you succeed in 150 days, don't worry. "
China has been cultivated since ancient times, with a history of 5,000 years. Widely planted in China, it is produced in Northeast China, North China, Shaanxi, Sichuan and the lower reaches of the Yangtze River. It is cultivated in the Yangtze River Basin and Southwest China, and the quality of soybeans in Northeast China is the best.
1804 was introduced to the United States; In the mid-20th century, it became an important crop in the southern and midwest of the United States.
Soybean cultivated all over the world is directly or indirectly spread from China.
Because of its high nutritional value, it is called "king of beans", "meat in the field" and "green milk", and it is the most respected food among hundreds of natural foods.