Agro-forestry models and their economic benefits in the sandy region-Taking sandy region of Kaifeng City in Genan Province as an example

On the analyses of economic benefits of different agro-forestry management models,the role and potentiality of agro-forestry models for sustainable agricultural development are stated. It provides a theoretical basis for the establishment,development and optimum of agro-forestry-animal husbandry ecoeconomic system in the sandy region of Huanghe-Huaihe-Haihe Plain in the future.