Effects of Organic Fertilizers on Tobacco Growth and Heavy Metal Contents in Flue-cured Tobacco

论文摘要

Pb, Cd and As are main heavy metal elements in tobacco leaves in China. Through the application of organic fertilizers in the tobacco area of Pu’er City, the effects on tobacco growth and heavy metal contents were investigated. The results showed that the tobacco plants in the treatments applied with organic fertilizers as the base fertilizer grew at a lower rate and had relatively smaller stem girth and leaf number than the treatment applied with the compound fertilizer special for tobacco in early growth period, and the differences between various treatments were not significant. After applying the organic fertilizers, they had a positive effect in reducing heavy metal contents of flue-cured tobacco, and the effect of applying oil cake was better, followed by the treatment of chicken manure plus oil cake. The sole application of chicken manure had a certain effect on the control of Hg, As and Pb, but the Cd content increased. For the areas with high heavy metal levels, the selection of appropriate organic fertilizers has a practical significance to the reduction of heavy metal contents in tobacco leaves.

论文目录

文章来源

类型: 期刊论文

作者: Yunfei CHEN,Lin LIN,Jiye QIANG

来源: Agricultural Biotechnology 2019年02期

年度: 2019

分类: 农业科技,工程科技Ⅰ辑

专业: 环境科学与资源利用,植物保护,农作物

单位: Institute of Agricultural and Garden Technology, Pu'er university,Yunnan Provincial Tobacco Company Yuxi City Company

基金: Supported by Hongyun Honghe Tobacco(Group)Science and Technology Project(HYHH2013YL01),Tea Science Discipline Practical Training Base Construction Project of Institute of Agricultural and Garden Technology,Pu’er University

分类号: X503.23;S572

DOI: 10.19759/j.cnki.2164-4993.2019.02.033

页码: 137-141

总页数: 5

文件大小: 630K

下载量: 20

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