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育苗是烤烟生产的主要环节之一。足够的、能在最适期移栽的壮苗,对于烟叶产量质量的提高,有显著的促进作用。以贵州黔西县为例,在使用薄膜育苗以前,最好的年成是1965年,亩产140斤,每担均价38.34元,黄烟占50%;早烟(6月5日前移栽)面积不到30%。1969年开始推广薄膜育苗。1971年薄膜育苗面积占23.88%,早烟(5月20日前移栽)占32.52%;亩产150斤,均价51.06元,黄烟占60.55%。1975年薄膜育苗面积占93.76%,早烟(4月30日前移栽)占84.70%;亩产273斤,均价60元,黄烟占74.55%。当然,品种、烤房、耕作制
Nursery is one of the main aspects of flue-cured tobacco production. Sufficient, seedlings can be transplanted in the most suitable period, for the improvement of tobacco yield and quality, a significant role in promoting. Guizhou Qianxi County, for example, before the film nursery, the best year into 1965, per mu 140 pounds, the average price of 38.34 yuan per share, accounting for 50% of the yellow smoke; morning tobacco (June 5 before transplanting) Area less than 30%. 1969 Started to promote film nursery. In 1971, the area of film nursery was 23.88%, that of morning tobacco (transplanting before May 20) accounted for 32.52%; and the yield per mu was 150 kg, the average price was 51.06 yuan and that of yellow smoke was 60.55%. In 1975, the area of film nursery seedling accounted for 93.76%, and that of early tobacco (84.70% before transplanting on April 30); 273 kg per mu, the average price of 60 yuan and the percentage of yellow smoke accounting for 74.55%. Of course, variety, barn, farming system