What are the benefits of conservation tillage?

The application test in Shanxi province 1 10,000 mu shows that compared with traditional farming, conservation tillage has the following six ecological, social and economic benefits: ① reducing runoff (water loss) by 60% and soil erosion (soil loss) by about 80%; (2) reduce wind erosion (farmland dust) and suppress sandstorms; ③ Increase soil water storage 14% ~ 15%, improve water use efficiency 15% ~ 17%, and save water resources; (4) Returning straw to field, improving soil structure, improving soil fertility and increasing soil organic matter by 0.03%; Straw is not burned to reduce air pollution; ⑤ Increase the yield of wheat and corn by more than 13%; ⑥ Reduce operating procedures, reduce operating costs 10% ~ 15%, and increase farmers' income by 20% ~ 30%.