In addition to rice, wheat, corn, cotton, and soybeans as the main crops, the Ministry of Agriculture determines rape and potatoes as the main crops.

The "Seed Law of the People's Republic of China" is to protect and rationally utilize germplasm resources, regulate variety selection, seed production and management, protect new plant variety rights, and safeguard seed production and management. Laws enacted to protect the legitimate rights and interests of producers and users, improve seed quality, promote seed industrialization, develop the modern seed industry, ensure national food security, and promote the development of agriculture and forestry.