烟供

本区域植烟土壤供氮能力较强。

The ability of supplying nitrogen of soil in this area was stronger .

植烟土壤供氮状况与叶片烟碱含量关系的研究

Research on Relationship between Nitrogen Levels in Soil of Planting Tobacco and Nicotine Content in Uppers

不同施氮水平对山东褐土烟田供氮状况及烤烟质量的影响

Effects of Nitrogen Rates on Brown Soil Nitrogen Status of Tobacco Fields and Tobacco Quality in Shandong

安徽烟区土壤供钾特性的研究

A study on the characteristics of potassium supply from tobacco-grown soils in Anhui Province

结果表明，烟粉虱对供试植物有明显的选择性，其嗜好程度为花椰菜>黄瓜>油菜>莴苣。

The results showed that B. tabaci preferred cauliflower most , followed by cucumber , cole and lettuce .

针对四川主要植烟土壤中硼的营养状况，采用基施方式，探讨了不同植烟区供试土壤硼肥施用对烤烟生长、产量和品质的影响，以期筛选出适宜的硼肥施用量。

In order to determine the suitable amount of the B fertilizer applied to the tobacco planting soil , this study was designed to examine the effects of B fertilizer on yield and quality of flue cured tobacco based on soil test in main tobacco planting soils in Sichuan province .