1基本情况地膜覆盖种植技术以其保墒增墒、雨水集流、增光提温、抑制杂草等效果起到抗旱增产、增产增收的作用,多年来得到了广泛推广应用,先后经历了各种创新种植方式,种植作物涵盖小麦、玉米及马铃薯等粮食作物和葵花、棉花、花生、蔬菜及果树等经济作物,成为旱作农业地区一项具有创举性、不推自广的实用技术。以全膜双垄沟播技术为例,由于地面地膜覆盖率达 1 Basic situation Mulching technology has played a wide range of promotion and application for many years, such as increasing soil moisture, concentrating rainwater, increasing temperature and controlling weeds, etc., and has been widely used for many years Planting crops that cover crops such as wheat, corn and potatoes and cash crops such as sunflower, cotton, peanut, vegetables and fruit trees have become a pioneering and non-promotional practical technology in dry farming areas. Take the whole film double furrow sowing technology as an example, because the ground mulching rate reaches