| Abstract: In order to improve the land multiple cropping index and increase farmers' economic income, an effi cient planting mode of double fi lm mulching for potato and multiple cropping of peppers had been formed through practical summary, including cultivation stubble, cultivar selection, land preparation and sowing, fertilizer and water management, double film mulching, green prevention and control, harvesting and post harvest treatment of potato and seedling planting, fi eld management, disease and pest control and harvesting of peppers. This mode had an average net profi t of 16 304 yuan per 667 m2, which was 7 940 yuan per 667 m2more than the traditional mode of two fi lms mulching for potatoes and Chinese cabbage mode. Moreover, it reduced soil continuous cropping barriers through rotation and was suitable for further promotion. |