• New centers for the manufacture of smoking tobacco and cigarettes followed the culture of bright leaf, flue-cured tobacco to Durham and Winston-Salem, North Carolina.

    随着白肋文化流行,新的烟草和卷烟制造中心转至达姆和温斯-塞勒姆。

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  • The research indicated that application of oil-cake fermented could promote the growth of flue-cured tobacco plant, enhance leaf yield, improve leaf quality.

    实验表明施用发酵饼肥,促进生长发育提高烟叶产量改善烟叶质量和增加上等烟比例。

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  • Pot experiment was carried out to study physiological change and matter accumulation of flue cured tobacco leaf in the course of mature with different K nutrition levels.

    采用盆栽试验方法研究不同营养水平下,烤烟烟叶成熟过程中的生理生化变化探讨了在不同成熟期物质积累状况。

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  • The effects of sulphur nutrition in soil on sulphur accumulation and metabolism in flue cured tobacco leaf were studied.

    本文研究土壤营养状况烤烟烟叶硫吸收累积代谢影响。

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  • The changes of leaf ratio of dry to fresh weight in flue-cured tobacco green leaves during the field growth were studied.

    田间状况下对烤烟下、、上三个部位叶片生长发育过程中叶片比值变化进行了研究。

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  • The contents and distribution of Pb, Cd and As in 497 flue-cured and 17 burley tobacco leaf samples collected from major tobacco production regions of China in 2004 were studied.

    研究我国烟叶主产区2004年生产497份烤烟样品17白肋样品中含量分布特征

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  • The content of tobacco leaf nicotine and smoking nicotine of40 grades leaves of he nan flue - cured tobacco is determined.

    测定了河南烤烟(40级)各等级烟叶烟碱含量烟气烟碱传输量。

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  • Neutral aroma components and flavor quality in flue-cured tobacco leaf in the west of Henan Province under the zinc fertilizer were studied.

    从评吸评价结果看,促进豫西烤烟下部中部叶片香气质量的提高。

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  • The study was carried to investigate the relation between total particle matter (TPM) in leaf of flue-cured tobacco from different regions of China and chemical components of tobacco leaf.

    本文我国不同产区烤烟烟叶相物(TPM)与烟叶部分内在化学成分关系进行研究

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  • How to increase the fertilizer application efficiency and potassium content in tobacco leaf is a key measure for improving the quality of flue-cured tobacco.

    如何提高肥料利用率烟叶含钾提高烟叶品质关键问题。

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  • The effects of proportional application of cake fertilizer and chemical fertilizer on leaf nitrate, nitrite and potassium of flue-cured tobacco were investigated in a field experiment.

    通过大田试验,研究饼肥化肥配施烤烟硝酸盐、亚硝酸盐钾素影响

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  • Zheng M. Study on effect of light intensity on growth and leaf tissue structure and quality characteristic of flue-cured tobacco [d]. Changsha: Hunan Agricultural University, 2010.

    郑明光照强度烤烟生长发育叶片组织结构品质影响研究[d]。长沙湖南农业大学,2010。

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  • In the late stage of flue-cured tobacco growth, under the same level of leaf number, leaf NR activity and root activity increased and then decreased with the increase of nitrogen application.

    烤烟生长发育后期同一条件叶片NR活性根系活力随着施氮量增加升高后降低的趋势;

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  • The paper studied of two spurting leaf-fertilizer (FFF1 and FFF2) on flue-cured tobacco growth and the tobacco qualities.

    研究了自制的新型烟草多功能叶面肥“烟博1号”(FFF1)“烟博2号”(FFF2)喷施对烟草生长品质影响。

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  • The change tendency of leaf area index of flue-cured tobacco assumed to "S" under different water amount by bunching irrigation.

    不同水分处理烤烟叶面积指数S”型变化趋势

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  • According to the 6 one-class districts and 12 second-class districts of flue-cured tobacco leaf planting area general evaluation of the quality of flue-cured tobacco leaf was conduct.

    针对目前烤烟种植6个一级12个二级烟叶质量进行综合评价,并提出了具体的质量改进意见。

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  • According to the 6 one-class districts and 12 second-class districts of flue-cured tobacco leaf planting area general evaluation of the quality of flue-cured tobacco leaf was conduct.

    针对目前烤烟种植6个一级12个二级烟叶质量进行综合评价,并提出了具体的质量改进意见。

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