In this aerial photo taken on Oct. 8, 2018, farmers harvest corn crops to produce silage, a fermented fodder, in Gucheng County of Hengshui, north China'a Hebei Province. Local farmers are encouraged to grow corns and make silage according to market demands. A business mode that incorporates leading agricultural enterprises, planting bases and individual farmers has effectively raised farmers' income while supplying the breeding industry with premium fodder. (Xinhua/Zhu Xudong)