... corn stalks, fresh sweet potato vine, green weeds, green vegetables, fresh sweet potatoes, fresh potatoes and other books ... powder. Concentrated feed: sorghum, maize, sweet potatoes, dried, crushed into powder, soybean powder, etc.. Green fodder: fresh to Guayang, grass, potatoes, sweet potatoes ... and rub rapidly under suchwas crushed into powder, the negative pressure chamber under centrifugal force ...