There are many kinds of legume pulses grains in China, including buckwheat, millet, sorghum, oat, highland barley, mung bean, adzuki bean, pea, broad bean, cowpea, kidney bean and lentil.
As China is located in temperate and subtropical regions, it is also one of the centers of crop origin, which not only has a large number of species, but also has a large share.
Among more than 20 kinds of minor cereals, buckwheat and millet account for the second place in the world in terms of area and output. Broad bean accounts for one-half of the production, mung bean and Adzuki Bean account for one third of the production. Oats, cowpeas and lentils are the main producing countries. Therefore, China has the name of “Kingdom of small grains”.
Small grains are widely distributed in China and planted all over the country, but the main producing areas are relatively concentrated. In terms of geographical distribution, they are mainly distributed in the plateau areas of China, namely the Loess Plateau, Inner Mongolia Plateau, Yunnan Guizhou Plateau and Qinghai Tibet Plateau; from the distribution characteristics of ecological environment, they are mainly distributed in areas with poor ecological conditions in China, namely, arid and semi-arid areas and alpine regions; from the perspective of administrative regions, they are mainly distributed in Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Ningxia and Qinghai There are many provinces and regions in China, such as Hainan, Xinjiang, Yunnan, Sichuan, Guizhou, Chongqing, Tibet, Heilongjiang and Jilin. From Baidu zhidao