... fertilizer can be:1. Agricultural waste: straw, dregs of beans, cotton dregs, rice bran,etc.2. Animal manure ... the river, the sewer, etc.This whole compound fertilizer production line includes:Grinder ----blender ----disk granulator---- ... less than 65%, such as Chicken Manure/poultry dung/fowl manure, Ducks feces, livestock dung, slaughter ... of the environment. 2012 new organic fertilizer making machine