What are some of the best provinces for growing sorghum?

Most parts of Liaoning, Hebei, Shanxi and Shaanxi provinces, Beijing, Tianjin and the Yellow Irrigation District of Ningxia, eastern and southern Gansu Province, and the South and East Xinjiang basins are China's main sorghum-producing areas, with high levels of yields. Basically, it is an annual ripening system, and due to better heat conditions, the cultivars are mostly late-maturing species. In recent years, due to the reform of the farming system, after the wheat harvest planting summer sowing sorghum, change one year for two years three years or one year two years.