The Effect of High-stem and Deep-seated Cultivation Combined with Double Layers Fertilizer Application on Growth, Yield and Quality of Flue-cured Tobacco;

The procedure of preparing tobacco alkaloid from tobacco-stems was studied.

The analytical results in big cross period,rooting period and transplanting period of tobacco seedlings showedthat either high or low temperature was not good for growth and photosynthesis of tobacco seedlings.

Influences of arbuscular mycorrhizal fungi on growth and selected physiological indices of tobacco seedlings;

Research on wilt disease resistance of AM mycorrhizal tobacco seedlings

Five nitrogen concentrations were used in culturing tobacco seedlings in discs to investigate the effect on the growth and development.

Effect of the Different Nitrogen Fertilizers on the Seedling Growth and Potassium Accumulation of Tobacco;