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1996~1997 年在湄潭对烤烟新品种贵烟11 号进行了“去两头”栽培法试验示范。在保持每667m 2 烤烟总有效叶数为22 000片左右,肥力中下等水平、包括大于15°的坡土种植,密度1 350~1 400株/667m 2,严格去掉下部5 片叶,单株留叶数控制为16 片;在中上等肥力土和中等肥力田种植,密度1 200株/667m 2,严格去掉下部5 片叶,单株留叶数控制为19~20 片。结果表明:贵烟11 号品种采用“去两头”栽培法,试验各处理均获得较好效果。对于土壤肥力较低、投入较少、后期热量条件不足的地区,采用“去两头”栽培法能够达到保证产量、提高质量、降低成本、增加效益的效果。
From 1996 to 1997, a demonstration experiment was conducted in Meitan on the cultivation of a new tobacco cultivar Guiyan No.11 on the “two ends” cultivation method. While maintaining the total effective leaf number per 667m 2 of flue-cured tobacco about 22,000, the middle-lower fertility level, including the slope soil planting more than 15 °, the density of 1 350-1 400 / 667m 2, the lower 5 leaves strictly The number of leaves kept in the plant was controlled to 16; in the middle and upper fertile soil and the medium fertility field, the density was 1 200 plants / 667m 2, the lower 5 leaves were strictly removed, and the number of leave leaves per plant was controlled to 19 ~ 20. The results showed that: “Guiyan 11 varieties” to “two heads” cultivation method, the treatment of each treatment are better. For areas with low soil fertility, less investment and insufficient heat condition in the later period, the cultivation method of “going to two heads” can achieve the effect of ensuring yield, improving quality, reducing costs and increasing benefits.