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Effect of New Type of Leaf Fertilizer on Expanding of Upper Leaves,Yield and Quality of Flue-cured Tobacco

WU Liang-liang1,2,JIN Zhi-li3,WANG Yan-zhen4(1 Hunan Agricultural University,Changsha,Hunan 410128,China;2 Daoxian Branch of Yongzhou Tobacco Company,Yongzhou,Hunan 425000,China;3 Yongzhou Base of Central South Agricultural Experimental Station of China Tobacco,Yongzhou,Hunan 425000,China;4 Jiangyong Branch of Yongzhou Tobacco Company,Jiangyong,Hunan 425400,China)  
In order to select suitable leaf fertilizer,a comparative experiment on two types of leaf fertilizers was conducted in main planting area of flue-cured tobacco of Yongzhou city.The results indicated that two types of leaf fertilizers could promote expanding of upper leaves and layered yellowing of tobacco leaves.Appearance quality of tobacco leaves was improved,and economic benefit was increased.The effects of No.1 leaf fertilizer on promoting expanding,improving quality and usability of upper leaves was significantly better than those of No.2 leaf fertilizer.No.1 leaf fertilizer possesses better value of application.
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