The changes of accumulation of sugar content and nicotine content in leaf of Oriental tobacco were investigated in Baoshan Oriental tobacco growing areas of Yunnan province.
研究了云南保山香料烟产区冬春香料烟和夏季香料烟生长发育期间叶片中总糖含量、淀粉含量和烟碱含量的累积变化规律。
The suitable fertilization formula was recommended based on the characteristics of potassium content and distribution of soil in Yunnan tobacco growing areas.
根据云南烟区土壤钾素含量及分布特点，提出了相应的施肥措施。
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