A large area of commercial alfalfa production should choose a lawn mower with a rubber flattening roller. This is because the stems of the alfalfa are thick and have many leaves. When the field is naturally air-dried, the drying speed of the leaves is much faster than that of the stems.

 When the water content of the stalk reaches the requirements of bundling, the nutrient-rich flowers and leaves have already fallen off. The grass cutting machine can fracturing or crushing the grass stalk without damaging the leaves, so as to accelerate the evaporation of water in the stalk, and promote the drying of the stems and leaves, and the drying time can be shortened by 30%~50%. The structure of the mowing press is mainly composed of a header, a flattening roller, etc. When working, the forage is cut into a press roll and then flattened, and then laid into a straw.