陇东是我国北方冬麦区旱寒一熟生态区的边缘地带，近年来随着小麦全生育期地膜覆盖穴播栽培技术的研究成功和应用及该技术与夏闲期保墒耕作有机结合的周年覆膜穴播栽培的研究与示范，使小麦生产跃上了一个新的台阶，但在周年覆膜穴播栽培技术的示范中缺乏与之相配套的丰产... Longdong is the fringe of the cold winter and one mature ecotope of winter wheat in northern China. With the successful and application of the research on the technology of mulching and sowing by plastic film mulching during the whole wheat growing period in recent years, and the anniversary of organic combination of the technology and soil moisture conservation The research and demonstration of film-hole sowing cultivation have brought the wheat production to a new level, but the lack of matching high yield in the demonstration of the annual film-mulching sowing cultivation technique ...