Long-term effects of biochar-based organic amendments on soil microbial parameters
Open accessAbstract
Biochar application to the soil has been recommended as a carbon (C) management approach to sequester C and improve soil quality. Three-year experiments were conducted to investigate the interactive effects of three types of amendments on microbial biomass carbon, soil dehydrogenase activity and soil microbial community abundance in luvisols of arable land in the Czech Republic. Four different treatments were studied, which were, only NPK as a control, NPK + cattle manure, NPK + biochar and NPK + combination of manure with biochar. The results demonstrate that all amendments were effective in increasing the fungal and bacterial biomass, as is evident from the increased values of bacterial and fungal phospholipid fatty acid analysis. The ammonia-oxidizing bacteria population increases with the application of biochar, and it reaches its maximum value when biochar is applied in combination with manure. The overall results suggest that co-application of biochar with manure changes soil properties in favor of increased microbial biomass. It was confirmed that the application of biochar might increase or decrease soil activity, but its addition, along with manure, always promotes microbial abundance and their activity. The obtained results can be used in the planning and execution of the biochar-based soil amendments.
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In biochar-amended soils, microbial biomass C (by chloroform fumigation) and dehydrogenase activity significantly decreased.
“a significant decrease of microbial biomass C (determined using the chloroform fumigation method) in biochar amended soils and, consistent with this, a significant decrease in the activity of dehydrogenase was observed (Brtnicky et al., 2019).”
From Comparing straw, compost, and biochar regarding their suitability as agricultural soil amendments to affect soil structure, nutrient leaching, microbial communities, and the fate of pesticides (2021) · cites this paper as Brtnicky et al., 2019
In the same study, bacterial and fungal PLFA and copy numbers of 16S and 18S rDNA significantly increased, indicating increased microbial biomass.
“However, in the same study, bacterial as well as fungal PLFA and copy numbers of 16S and 18S rDNA significantly increased, indicating an increased microbial biomass.”
From Comparing straw, compost, and biochar regarding their suitability as agricultural soil amendments to affect soil structure, nutrient leaching, microbial communities, and the fate of pesticides (2021) · cites this paper as Brtnicky et al., 2019
The effect of biochar on microbial parameters largely depends on biochar properties and post-pyrolysis treatments; combining biochar with manure was very effective in increasing microbial parameters, as was balancing biochar application and N input.
“Therefore, the nature of the result largely depends on the biochar properties and postpyrolysis treatments, e.g. the combination of biochar and manure was found to be very effective in increasing microbial parameters (Brtnicky et al., 2019), and balancing biochar application and N-input (Li et al., 2018).”
From Comparing straw, compost, and biochar regarding their suitability as agricultural soil amendments to affect soil structure, nutrient leaching, microbial communities, and the fate of pesticides (2021) · cites this paper as Brtnicky et al., 2019
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Siedt, M., Schäffer, A., Smith, K. E. C., Nabel, M., Roß-Nickoll, M., & van Dongen, J. T. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141607 · Cited by 543 · see citing works
- Authors
- Brtnicky, M., Dokulilova, T., Holatko, J., Pecina, V., Kintl, A., Latal, O., Vyhnanek, T., Prichystalova, J., & Datta, R.
- Affiliations
- Department of geology and pedology, Faculty of Forestry and Wood technology, Mendel University in Brno, Brno 61300, Czech Republic
- Agriculture Research, Ltd., Troubsko 66441, Czech Republic
- Agrovyzkum Rapotin, Ltd., Rapotin 78813, Czech Republic
- Department of Plant Biology, Faculty of AgriSciences, Mendel University in Brno, Brno 61300, Czech Republic
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Brno 61300, Czech Republic
- Mendel University in Brno (CZ)
- Corresponding author
- Datta, Rahul
- Venue
- Agronomy
- Publisher
- MDPI AG
- Published
- 2019-11-12
- Volume
- 9
- Issue
- 11
- Pages
- 747
- ISSN
- 2073-4395 (ISSN-L)
- OpenAlex
- W2986866351
- Cited by
- 81
- References
- 11
- Citations by year
- 2026: 3 · 2025: 13 · 2024: 14 · 2023: 7 · 2022: 10 · 2021: 10 · 2020: 23 · 2019: 1
- FWCI
- 8.75
- Type
- journal article
- Language
- en
- Open access
- gold
- dx.doi.org
- Licence
- Locations
- Agronomy (publishedVersion, cc-by)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
- Keywords
- biochar, organic amendments, soil microbial biomass, soil dehydrogenase activity, soil microbial communities, cattle manure, phospholipid fatty acids, ammonia-oxidizing bacteria, carbon sequestration, Luvisols, arable land, NPK fertilization, long-term effects
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