1.
Nitrogen content in soil and total nitrogen content of flue-cured tobacco and their relationships in Enshi tobacco-growing areas
恩施烟区土壤和烤烟总氮含量及其关系研究
2.
Relationship between Total Nitrogen,Total Alkaloid,Ratio of Total Nitrogen to Total Alkaloid and Sensory Quality in Flue-cured Tobacco Leaves of China
我国主产烟区烤烟总氮、总植物碱、氮碱比与感官质量的关系分析
3.
Distribution and Relationship of Nitrogen Content in Flue-cured Tobacco Leaf and Soil in Sanmenxia Tobacco Districts
三门峡烟区烤烟总氮与土壤氮素含量的分布特点及关系分析
4.
Distribution of Total Nitrogen Content and Its Relationship with Other Chemical Components in Flue-cured Tobacco
烤烟总氮分布特点及与其他化学成分的关系
5.
The Status of Total Nitrogen and Nicotine Contents of Flue-Cured Tobacco in Henan and the Relationship with Other Quality Traits
河南烤烟总氮、烟碱含量状况及与其他品质指标的关系
6.
Relationship of Nicotine and Total Nitrogen Contents with Neutral Aroma Components in Flue-Cured Tobacco in Central Area of Henan Province
豫中烤烟烟碱和总氮含量与中性香气成分含量的关系
7.
Sources of Nicotine-N and Effects of Nitrogen Supply on Growth, Nitrogen Uptake, Nicotine Contents in Nicotiana Tabacum Plants;
烟碱氮素来源和供氮对烤烟生长、氮素吸收、烟碱含量的影响
8.
Absorption and Utilization of N Nutrients by Flue-cured Tobacco and Effects of Different Forms of N Fertilizer on Yield and Quality of Flue-cured Tobacco;
烤烟对氮肥的吸收利用及不同形态氮肥对烤烟产量和品质的影响
9.
Study on Tobacco Plant s Absorption and Distribution of Nitrogen by Using ~(15)N;
利用~（15）N研究烤烟氮素吸收分配规律
10.
Effects of Soil and Nitrogen on Nitrogen Absorption, Distribution and Quality of Flue-cured Tobacco;
土壤与氮营养对烤烟氮吸收分配及品质影响
11.
The Characteristic of Nitrogen Supply of Red Soil and Its Contribution to Nitrogen Nutrition of Flue-cured Tobacco;
红壤供氮特性及对烤烟氮素营养的贡献
12.
Effects of Nitrogen Rates on Nitrogen Metabolism and Quality Formation of Flue-cured Tobacco;
施氮量对烤烟氮代谢及品质形成的影响
13.
Effect of Different Nitrogen Forms and Ratioes on Carbon-Nitrogen Metablism of Flue-Cured Tobacco Leaves;
不同氮素形态配比对烤烟叶片碳氮代谢的影响
14.
Effect of Nitrogen and Mineralization of Soil Nitrogen on Growth and Quality of Flue-Cured Tobacco;
氮及土壤氮素矿化对烤烟生长及品质的影响
15.
Characteristics of Soil Nitrogen Supply and Its Effect on the Nitrogen Nutrition of Flue-cured Tobacco
土壤供氮特征及其对烤烟氮素营养的影响
16.
Study on the Photosynthetic Characteristic and Nitrogen Metabolism in Different Nitrogen Treatment of the Flue-cured Tabacco
不同施氮水平下烤烟光合特性和氮代谢的研究
17.
The Influence of Flue-Curing and Pretreatment on N Metabolism and Aroma in Tobacco Leaf;
烘烤及烤前处理对烤烟主要含氮化合物和香气物质的影响
18.
Effects of Appling Organic Acids on Flue-Cured Tobacco Nitrogen Metaboism and Leaf Quality;
施用有机酸对烤烟氮代谢和烟叶品质的影响