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《Journal of Anhui Agricultural Sciences》 2007-21
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Analysis of the Quality of Tobacco Leaf in Bijie Prefecture of Guizhou Province

DAI Chang-ming et al(College of Agronomy,Guizhou University,Guiyang,Guizhou 551700)  
The objective of the study was to know the quality status of tobacco leaves in Bijie prefecture roundly.According to the relevant standards,the quantization analysis of appearance quality and chemical components of 70 samples from 8 counties(cities)in Bijie prefecture of Guizhou province in 2005 were conducted.The appearance qualities of tobacco leaves from 8 counties(cities) in Bijie prefecture were better generally,with little difference.The tobacco leaves in whole prefecture were orange in color,rich in oil,loose in leaf structure and preferable in colority.The comprehensive analysis of chemical components of tobacco in Bijie prefecture showed that the mean content of nicotine was 2.55%;total N,1.77%;total sugar and reducing sugar,30.17% and 25.19%,respectively;K ion,1.58%;Cl ion,0.28% and protein,6.94%.The mean content of nicotine and total N were higher and K content was lower in tobacco in Bijie prefecture.To control of nitrogen and reduction of alkali should be paid attention so as to increase the content of potassium ion in the tobacco production.
【Fund】: 国家烟草专卖局“贵州省烟草种植区划研究”项目[国家烟草专卖局烟科(2004)615号]
【CateGory Index】: S572
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