期刊论文

Effects of Biochar on the Growth of Flue-cured Tobacco and Quality of Tobacco Leaf

中文

中国农业科技导报

1008-0864

2017

19

10

73-81

10.13304/j.nykjdb.2017.0360

13-14ZDAa03:湖南省烟草专卖局重点项目 2017JJ3119:国家自然科学基金 83463:湖南省教育厅一般项目

本校为第一机构

为了改善烟叶质量,探讨最适宜的生物炭施用量,系统阐明生物炭对烤烟生长及烟叶质量的影响。以云烟87为试验材料,通过田间试验研究了3种不同生物炭施用量(3 000 kg /hm~2、3 750 kg /hm~2、4 500 kg /hm~2)对烤烟生长及烟叶质量的影响,并利用R语言构建了偏最小二乘路径模型。结果表明:施用生物炭能显著降低烤烟黑胫病发病率及病害指数,较低水平的生物炭施用水平能促进烤烟生育前期的生长及根系发育,协调烟叶化学成分;生物炭施用量过高时对烟叶质量产生负面影响。偏最小二乘路径模型明确了施用生物炭后烤烟生长及烟叶质量各指标之间的关系,系统地阐明了生物炭促进烤烟生长及烟叶质量的作用机制。综...

In order to improve the quality of tobacco leaf and probe the optimum application amounts of biochar,this paper systematically expounded the effects of biochar on the growth of flue-cured tobacco and quality of tobacco leaf. This paper took Yunyan 87 as experimental material and studied the effects of 3 application amounts of biochar (3 000 kg / hm~2,3 750 kg /hm~2,4 500 kg /hm~2) on the growth of flue-cured tobacco and quality of tobacco leaf by field test. The partial least squares path modeling was constructed by R programming language. The results showed that biochar application could sign...