This technique is the best way to enhance and maintain the quality of grass rolls through lactic fermentation. It's a bag used for storing rolls of moist grass; it can preserve both grasses such as oats, ryegrass, barley grass, sorghum, and legumes like alfalfa and clover. APPLICATION AND CROPS: Production of green feed on livestock farms. It ensures green feed for your livestock in the upcoming winter. It is used to store rolls of moist grass, including grasses (oats, ryegrass, barley grass, sorghum, etc.) and legumes (alfalfa, clover, etc.)