1, "Shanxi", namely the Guanzhong area. Vast, people of good crops planted corn, here, "the legacy of kings". Since the Qin Dynasty the capital here, at the beginning of the Chinese and Oriental people migrating, "play skillfully country" atmosphere can be formed. Although the Western tribes mixed, but the animal husbandry industry is well developed, and Ba as before, so the population but 3/10 of the country, but at that time the world is 1/3, but the wealth, but accounted for 6/10 of the country.
2, Shandong area.
3, Longmen Jieshi north farming pastoral zone
4, the Jiangnan region.
