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

本文研究了土壤硫营养状况对烤烟烟叶硫吸收累积和代谢的影响。

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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了不同钾营养水平下，烤烟烟叶成熟过程中的生理生化变化，并探讨了在不同成熟期的干物质积累状况。

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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.

随着白肋烟和烟熏烟文化的流行，新的烟草和卷烟制造中心转至达勒姆和温斯顿-塞勒姆。

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