Muling City Black Soil Ecological Planting and Breeding Base is located in Dongshan, Ziping Forest Farm, Fulu Township, Muling City, Heilongjiang Province, covering an area of 11 hectares. Surrounded by mountains and forests, with hundreds of grasses, there has never been any crops, and it is a pure land without any pollution. Since 2013, 16,800 large hazelnut trees that are not chemically fertilized and pesticides have been planted. 12,000 black-soiled chickens have been raised in the hazel orchard. The chickens have dewormed the hazelnuts, applied organic fertilizer and loosened the soil, and the hazelnuts have provided shade for the chickens. , Forming a circular ecological agriculture combining planting and breeding.