Soybean, also known as soybean, is a panicum miliaceum of Leguminosae. 2-5 seeds, oval, nearly spherical, smooth seed coat, light green, yellow, brown and black.
Soybean is one of the important food crops in China, with a cultivation history of 5000 years, and the northeast region of China is the main producing area.
Soybean is native to China, and has been planted all over China, and also widely planted all over the world. Soybean is most commonly used for making various bean products, extracting soybean oil, brewing soy sauce and extracting protein. China is the country of origin of soybean, and the history of soybean cultivation has exceeded 2000 years.
Before 1960s, the soybean planting area and total output in China ranked first in the world. At present, the total output is the fourth in the world and the planting area is the fifth. Our ancestors improved soybean varieties by preserving the superior and eliminating the inferior long ago, and it was also one of the first countries to cultivate soybean varieties by using modern genetic methods.