采用小拱棚水浮法培育烟苗,移栽后起身快,生长态势好,产量高,质量好,抗病能力增强,尤其是提高了烟苗抵抗花叶病的能力。667平方米经济效益1800～2200元,与常规育苗相比(667平方米1500～2000元),667平方米可增收300元。 小拱棚建造材料简单,投资小(本试验小棚用5米长竹竿24根,折款20元;塑料薄膜7.5公斤,折款60元;全棚共计80元),一次投入多年使用。由于其便于推 Small shed water float cultivation of tobacco seedlings, get up fast after transplanting, growth is good, high yield, good quality, disease resistance increased, especially to improve the ability of tobacco seedlings resistance to mosaic disease. 667 square meters of economic benefits 1800 ~ 2200 yuan, compared with the conventional nursery (667 square meters 1500 ~ 2000 yuan), 667 square meters can increase 300 yuan. Small arch construction materials simple, small investment (the test shed with 5 meters long bamboo pole 24, 20 yuan discount; plastic film 7.5 kilograms, discount 60 yuan; the whole shed a total of 80 yuan), put into use for many years. Because of its easy push