1996年河北省从甘肃省农科院引进小麦地膜覆盖栽培技术。作为晚茬冬小麦试点的来城县通过一年的示范工作，取得了亩产504．1公斤，比常规露地条平播增产97．8公斤，增产24．1％的好效果。扣除地膜及盖膜等费用，亩增纯效益101．48元。其主要技术措施是：一、精细整地做到地平墒 The Meal Mulch Cultivation Techniques Introduced by Wheat from Gansu Academy of Agricultural Sciences in 1996. As a pilot project of late winter wheat in Laicheng County, a year of demonstration work achieved a good result of 504.1 kg mu per mu and 97.8 kg mulberry seeding, a yield increase of 24.1%. After deducting the cost of mulching film and cover film, the net benefit of increasing 101.48 yuan per mu. The main technical measures are: First, fine leveling to make the soil moisture