1. Agricultural enterprise: An agricultural enterprise refers to a profit-making economic organization with legal personality, which is engaged in production and business activities such as agriculture, forestry, animal husbandry, sideline and fishery, with high commodity rate, independent operation and independent economic accounting. It is the main body of multiple cropping.

2. Specialized cooperative: Specialized cooperative is a special enterprise form. It concentrates small farmers on large-scale agricultural production with land, capital, technology and other means of production, and bears the corresponding market operation risks. It is also the main body of multiple cropping system.