Effects of Tobacco Stalk Biochar- and Bamboo Biochar-based Fertilizers on Carbon, Nitrogen, and Microbes in Soil of Tobacco Field

WU Fengying; TONG Chenxiao; ZHANG Weiting; LIU Dongming; HE Zhengxuan; MAO Yanling

doi:10.19303/j.issn.1008-0384.2023.01.014

Volume 38 Issue 1

Jan. 2023

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Article Navigation > Fujian Journal of Agricultural Sciences > 2023 > 38(1): 109-115

WU F Y, TONG C X, CHEN Y L, et al. Effects of Tobacco Stalk Biochar- and Bamboo Biochar-based Fertilizers on Carbon, Nitrogen, and Microbes in Soil of Tobacco Field [J]. Fujian Journal of Agricultural Sciences，2023，38（1）：109−115 doi: 10.19303/j.issn.1008-0384.2023.01.014

Citation:

WU F Y, TONG C X, CHEN Y L, et al. Effects of Tobacco Stalk Biochar- and Bamboo Biochar-based Fertilizers on Carbon, Nitrogen, and Microbes in Soil of Tobacco Field [J]. Fujian Journal of Agricultural Sciences，2023，38（1）：109−115 doi: 10.19303/j.issn.1008-0384.2023.01.014

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Effects of Tobacco Stalk Biochar- and Bamboo Biochar-based Fertilizers on Carbon, Nitrogen, and Microbes in Soil of Tobacco Field

doi: 10.19303/j.issn.1008-0384.2023.01.014

WU Fengying^{1, 2
,},
TONG Chenxiao^{1, 2},
ZHANG Weiting^{1, 2},
LIU Dongming^{1, 2},
HE Zhengxuan^{1, 2},
MAO Yanling^{1, 2, 3
,
,}

1.
College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, Fujian　350002, China
2.
University Key Lab of Soil Ecosystem, Health, and Regulation of Fujian, Fujian Agriculture and Forestry University, Fuzhou, Fujian　350002, China
3.
Fujian Colleges and University Engineering Research Institute of Conservation & Utilization of Natural Bioresources, Fujian Agriculture and Forestry University, Fuzhou, Fujian　350002, China

Received Date: 2022-11-01
Rev Recd Date: 2022-12-02

Available Online: 2023-03-06

Publish Date: 2023-01-28

Abstract

Abstract

Objective Effects of applying tobacco stalk biochar- or bamboo biochar-based fertilizer on the carbon, nitrogen, and microorganisms in soil of tobacco-growing fields were compared. Method In a field experimentation, treatments using no fertilizer as control (CK), a fertilizer designed for tobacco farming (TF), a tobacco stalk biochar-based fertilizer (TBF), or a bamboo biochar-based fertilizer (BBF) were conducted. pH, carbon, nitrogen, enzyme activity, and microbial community of the soil samples were monitored. Result Compared to TF, either TBF or BBF raised by more than 0.5 on soil pH and on microbial biomass carbon by more than 30%; on soluble organic carbon, TBF did by 21.4% and BBF by 30.7%; on oxidizable organic carbon, TBF did by 32.4% and BBF by 17.9% (p＜0.05); on soluble organic nitrogen, TBF did by 50.7% and BBF by 37.7%; on particulate organic nitrogen, TBF did by 28.0% and BBF by 12.7%; and on invertase activity, TBF did by 9.4% and BBF by 3.6%. The Chao1 index of the microbial community in the TBF-treated soil was significantly higher than that of TF-treated counterpart by 5.4% and that of BBF-treated soil by 3.2%. However, there were no significant differences on the observed species or Shannon index of the microbial communities in soils under different treatments. Both TBF and BBF significantly affected the structure of the microbial community in the soil. Notably, the Proteobacteria population decreased by 5.0% under TBF treatment and by 3.4% under BBF treatment in comparison to CK. Even when TF was applied, BBF still managed to generate 18.3% greater abundance on Firmicutes, while TBF 64.8% on Curvularia, in the soil. Conclusion Either TBF or BBF treatment could increase the content of carbon, nitrogen, enzyme activity, and microbial abundance in the tobacco field soil. It helped optimize the structure of the microbial community as well. However, TBF seemed to benefit the improvements more than BBF did.
- Biochar-based fertilizers,
- soil carbon and nitrogen components,
- microbe,
- tobacco planting soil,
- enzymatic activity

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References(25)

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