Abstract:

First, effect of continuous cropping of fuel-tobacco on growth and development, yield and quality, plant diseases and insect pests were expounded. Then the reasons of fuel-tobacco continuous cropping was reviewed with regards to soil nutrient unbalance, soil physical properties, autotoxicity of roots exudates, decrease of beneficial microorganisms, increase of harmful microorganisms. Last, the controlling measures of continuous cropping were reviewed, that was balanced fertilization, organic fertilization, deep plowing, rational crop rotation, rational intercropping and biological control. The study of mechanism and controlling measures were also discussed at the end of this paper.