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武鸣县是广西冬烤烟产区,1983年推广种植“武鸣四号”冬烟良种1.5万余亩,烟叶亩产量由原来的150斤提高到230斤,每亩增产53.3%,均价由0.45元上升到0.77元,内在品质提高,创该县历史最高水平。他们在冬烤烟生产中,除选用良种以外,着重抓了以下三点。1、提早移栽:冬烟生长的适宜温度为18-20℃,该县11-12月份气温为19-20℃;气温、光照和雨量基本能满足冬烤烟的生长,为此冬烤烟抢在11月上中旬移栽。当元月份气温下降到5-7℃时,烟株已长出15-18片叶子,
Wuming County is the winter flue-cured tobacco production area in Guangxi. In 1983, more than 15,000 mu of winter tobacco varieties “Wuming No.4” were planted. The output of mu per mu was increased from 150 kg to 230 kg, and the yield per acre was 53.3% 0.45 yuan rose to 0.77 yuan, improve the intrinsic quality, creating the highest county history. In their production of winter flue-cured tobacco, they focused on the following three points in addition to the selection of elite seeds. 1, Early transplanting: The suitable temperature for growth of winter tobacco is 18-20 ℃, the temperature in this county is 19-20 ℃ in November-December. The temperature, light and rainfall basically can meet the growth of winter flue-cured tobacco. Transplanting in mid-November. When the January temperature dropped to 5-7 ℃, tobacco plants have grown 15-18 leaves,