华北农学报2016，Vol.31Issue(5)：159-166,8.DOI:10.7668/hbnxb.2016.05.024
生物炭与氮肥配施对烤烟生长及烟叶主要化学成分的影响
Effects of Biochar Application Combined with Nitrogen Fertilizer on Growth of Flue-cured Tobacco and Main Chemical Composition of Tobacco Leaves
摘要
Abstract
In order to study the effects of different amount of biochar application combined with nitrogen fertil-izer on the growth of flue-cured tobacco and the main chemical composition of tobacco leaves.Yunyan 87 was select-ed as testing material and a field experiment was designed to study the effects of nine different amount of biochar application combined with nitrogen fertilizer on the growth of flue-cured tobacco and the main chemical composition of tobacco leaves.The results showed that biochar application combined with nitrogen fertilizer could regulate and promote the growth of flue-cured tobacco,accelerate the speed of the leaves,but amount of biochar application was not positively correlated with the role of promotion tobacco growth,when applied to the biochar more than 3 750 kg /ha,and nitrogen fertilizer at 1 1 2.5 kg /ha,the role in promoting tobacco growth gradually decreased.Bio-char application combined with nitrogen fertilizer could promote root growth,and improve the amount of dry matter accumulation of flue-cured tobacco.Coordinate the content of total sugar and reducing sugar,decline the content of starch,and improve the content of potassium in tobacco leaves and improve the combustibility of tobacco leaves.At the same time,it could also improve the ratio between sugar and nicotine,the ratio between sugar and nitrogen and the ratio between sugar and nitrogen of tobacco leaves.It was harmful to improve the ratio between sugar and nitro-gen and the ratio between potassium and chlorine of tobacco leaves that a lower proportion of biochar application <br> combined with nitrogen fertilizer that was 3 000 kg /ha biochar and 75.0 kg /ha nitrogen fertilizer.It was concluded that 3 750 kg /ha biochar and 1 1 2.5 kg /ha nitrogen fertilizer was the optimal proportion which had faster growth of tobacco plant and the appropriate content of main chemical composition of tobacco leaves.关键词
烤烟/生物炭/氮肥/化学成分Key words
Flue-cured tobacco/Biochar/Nitrogen fertilizer/Chemical composition分类
农业科技引用本文复制引用
刘卉,周清明,黎娟,张黎明,张明发,孙敏,刘智炫,陈佳亮..生物炭与氮肥配施对烤烟生长及烟叶主要化学成分的影响[J].华北农学报,2016,31(5):159-166,8.基金项目
湖南省烟草专卖局重点项目 （）
