海城县马风公社石门大队第三生产队,多年来是鞍山市烤烟优质丰产先进队。1982年我们在这个队进行了烤烟地膜覆盖栽培试验,面积15.1亩,平均亩产612.7斤,均价0.928元,比不覆盖的增产25%,均价高14%。地膜覆盖栽培,烟株早长快发,早成熟,而且底叶泥土少,无等外烟,较大地提高了烟叶等级。尤其中上等烟占的比例,明显增加,覆膜的占74.7%,比对照增加15%。下等末级 Haicheng County, Ma Feng commune Shimen Brigade third team, over the years is Anshan City, Flue-cured tobacco high-yield advanced team. In 1982 we conducted a flue-cured tobacco mulch covering experiment in an area of ​​15.1 mu with an average yield of 612.7 kg and an average price of 0.928 yuan, an increase of 14% over the non-covered yield by 25%. Film mulching cultivation, tobacco plant early and long hair fast, early maturity, and the bottom of the soil less, no other external smoke, greatly increased the leaf level. In particular, the proportion of middle-class tobacco accounted for a significant increase, covering 74.7%, an increase of 15% over the control. Lower end of the class