Novel organic fertilizer spreading roller

The invention discloses a novel organic fertilizer spreading roller which is mainly composed of a crossbeam, a left fertilizer spreading roller and a right fertilizer spreading roller. The left fertilizer spreading roller is composed of a fertilizer spreading column, an upper chopping portion, a middle spiral fertilizer spreading portion and a bottom fertilizer spreading disc, the upper chopping portion is formed by welding eight chopping knives on the fertilizer spreading column in a two-two symmetry manner and divided into four small layers, the middle spiral portion is formed by six left spiral right-angle plates, six spiral flat plates and a spiral device welded on the fertilizer spreading column, the six left spiral right-angle plates and the six spiral flat plates are alternately arranged and connected on the spiral device through bolts, and the left spiral right-angle plates serve as starting plates; the bottom fertilizer spreading disc is mainly composed of a fertilizer spreading disc, a disc side pla