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Journal of Yunnan Agricultural University 2017, Vol. 32 Issue (4) :652-658    DOI: 10.16211/j.issn.1004-390X(n).2017.04.013
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Effect of Biochar Application Amount on Growth, Yield and Quality of Flue-cured Tobacco Plants
ZOU Jian1, PENG Yun2, WANG Na1, SHI De2, WANG Feng2, QIAN Congfei2, OUYANG Jin2, ZHAO Zhengxiong1
1. College of Resources and Environmental, Yunnan Agricultural University, Kunming 650201, China;
2. Kunming Tobacco Company, Kunming 653100, China

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Abstract 

[Purpose] Our purpose was to explore the effect of biochar application amount on growth, yield and quality of Flue-cured tobacco plants.[Method] Field experiments were conducted to study the influence of biochar in different amount i.g. 0, 450, 600 and 750kg/hm2 respectively on the growth, leaves yield and quality of flue-cured tobacco plants with variety K326 in Xundian and Yun 87 in An'ning.[Results] The results indicated that tobacco plants' growth, maturity, yield, economic value and quality were significantly affected by biochar application amount. Moreover, similar tendency existed in two sites. Biochar application both resluted into undesirable growth in early stage, but better condition when approching to the harvest. Compared with the contrast, better growth, better maturity and the highest leaves yiled and economic value were obtained for the plants with biochar applied at 600kg/hm2. Meanwhile rational chemical components were found with biochar application amount at 600kg/hm2 in An'ning and 750kg/hm2 in Xundian.[Conclusion] It is suggested that biochar could be applied at 600 kg/hm2 in flue-cured tobacco production at the similar sites.

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Articles by authors
ZOU Jian
PENG Yun
WANG Na
SHI De
WANG Feng
QIAN Congfei
OUYANG Jin
ZHAO Zhengxiong
Keywordsflue-cured   biochar   yield   economic value   quality     
Received 2016-03-04;
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ZOU Jian, PENG Yun, WANG Na, SHI De, WANG Feng, QIAN Congfei, OUYANG Jin, ZHAO Zhengxiong.Effect of Biochar Application Amount on Growth, Yield and Quality of Flue-cured Tobacco Plants[J]  Journal of Yunnan Agricultural University, 2017,V32(4): 652-658
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