How to use agricultural waste

There are eight methods of comprehensive utilization of straw: one is to return straw directly to the field, which mainly includes returning straw directly to the field after mechanized crushing; The second is rapid decomposition, improving soil fertility, improving soil moisture and improving crop yield and quality; Thirdly, feeding livestock with straw, through straw silage and ammoniation service, can be made into high-quality livestock feed, and can also be returned to the field to increase soil organic fertilizer; Fourthly, briquetting and granulating, namely, using the mature granules processed by straw as block feed, which is convenient for storage and transportation and improves the palatability of livestock; Fifth, straw gasification, which burns in the gasifier to form combustible gas, is a clean fuel for energy saving and environmental protection in rural areas; The sixth is to produce biogas, which can be purified, dedusted, stored and pressurized for civilian use; Seventh, cultivate edible fungi, such as Pleurotus ostreatus, Auricularia auricula, Lentinus edodes, Flammulina velutipes, etc., which can also be used as high-quality organic fertilizer; Eighth, industrial raw materials, straw boards or paper mulching films made by hot extrusion, can be used as organic fertilizers after removal.