The DOI matches its Crossref record; 51 of the 52 references it cites were found in a registry or an index.
Germination Tests for Assessing Biochar Quality
Abstract
Definition, analysis, and certification of biochar quality are crucial to the agronomic acceptance of biochar. While most biochars have a positive impact on plant growth, some may have adverse effects due to the presence of phytotoxic compounds. Conversely, some biochars may have the ability to adsorb and neutralize natural phytotoxic compounds found in soil. We evaluated the effects of biochars on seedling growth and absorption of allelochemicals present in corn ( L.) residues. Corn seeds were germinated in aqueous extracts of six biochars produced from varied feedstocks, thermochemical processes, and temperatures. Percent germination and shoot and radicle lengths were evaluated at the end of the germination period. Extracts from the six biochars had no effect on percent germination; however, extracts from three biochars produced at high conversion temperatures significantly inhibited shoot growth by an average of 16% relative to deionized (DI) water. Polycyclic aromatic hydrocarbons detected in the aqueous extracts are believed to be at least partly responsible for the reduction in seedling growth. Repeated leaching of biochars before extract preparation eliminated the negative effects on seedling growth. Biochars differ significantly in their capacity to adsorb allelochemicals present in corn residues. Germination of corn seeds in extracts of corn residue showed 94% suppression of radicle growth compared to those exposed to DI water; however, incubation of corn residue extracts with leached biochar for 24 h before initiating the germination test increased radicle length 6 to 12 times compared to the corn residue extract treatments. Germination tests appear to be a reliable procedure to differentiate between effects of different types of biochar on corn seedling growth.
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“In another germination experiment, it was shown that aqueous extracts of six biochars produced from varied feedstocks, thermochemical processes, and temperatures had no effect on percent germination of Zea mays grains (Rogovska et al., 2012), however, there was an increased seed germination of potato (Bamberg et al., 1986).”
From Biochar implications for sustainable agriculture and environment: A review (2019) · cites this paper as Rogovska et al., 2012
Citations
Cites
Keeney, D. R., & Nelson, D. W. (1982) · Agronomy monograph/Agronomy · doi:10.2134/agronmonogr9.2.2ed.c33 · Cited by 4,683
Kay, H. (1980) · Journal of Clinical Pathology · doi:10.1136/jcp.33.6.608-c · Cited by 3,813
Biochar for environmental management: science and technology
(2009) · Choice Reviews Online · doi:10.5860/choice.47-0296 · Cited by 2,947
Lehmann, J. (2007) · Nature · doi:10.1038/447143a · Cited by 2,477
Biochar for Environmental Management: Science and Technology
Lehmann, J., & Joseph, S. (2009) · Routledge eBooks · doi:10.4324/9781849770552 · Cited by 2,324
Agronomic values of greenwaste biochar as a soil amendment
Chan, K. Y., Van Zwieten, L., Meszaros, I., Downie, A., & Joseph, S. (2007) · Soil Research · doi:10.1071/sr07109 · Cited by 1,902
Lehmann, J., Pereira da Silva, J., Steiner, C., Nehls, T., Zech, W., & Glaser, B. (2003) · Plant and Soil · doi:10.1023/a:1022833116184 · Cited by 1,878
Adsorption of organic molecules from aqueous solutions on carbon materials
Moreno‐Castilla, C. (2003) · Carbon · doi:10.1016/j.carbon.2003.09.022 · Cited by 1,467
Impact of biochar amendments on the quality of a typical Midwestern agricultural soil
Laird, D. A., Fleming, P., Davis, D. D., Horton, R., Wang, B., & Karlen, D. L. (2010) · Geoderma · doi:10.1016/j.geoderma.2010.05.013 · Cited by 1,385
Self-citationDairy-Manure Derived Biochar Effectively Sorbs Lead and Atrazine
Cao, X., Ma, L., Gao, B., & Harris, W. (2009) · Environmental Science & Technology · doi:10.1021/es803092k · Cited by 1,251
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1 of the 52 references couldn’t be matched to a known paper.
Research works printed but not linked: 10
- Association of Official Seed Analysts (AOSA), 1996, Rules for testing seeds, J. Seed Technol, 16, 1B113
- Deenik, 2008, Agronomy abstracts
- International Biochar Initiative (IBI), 2011, Biochar product definition and standard
- Major, 2009, Biochar for environmental management Science and technology, 271
- Michigan Department of Natural Resources (MDNR), 1993, MERA Operational Memorandum #8
- 1999, Proc. III Int. Congr. Allelopathy Ecol. Agric. Forestry
- Spokas, 2010, Agron. Abstracts
- Stephenson, 1997, Environmental toxicology and risk assessment: Modeling and risk assessment, 474
- USEPA., 1993, Environ
- Yu, 2005, Experimental study on alkali emission during rice straw pyrolysis, J. Zhejiang Univ. (Eng. Sci.), 39, 1435
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Biochar for crop production: potential benefits and risks
Hussain, M., Farooq, M., Nawaz, A., Al-Sadi, A. M., Solaiman, Z. M., Alghamdi, S. S., Ammara, U., Ok, Y. S., & Siddique, K. H. M. (2017) · Journal of Soils and Sediments · doi:10.1007/s11368-016-1360-2 · Cited by 532
Impacts of adding biochar on nitrogen retention and bioavailability in agricultural soil
Zheng, H., Wang, Z., Deng, X., Herbert, S. J., & Xing, B. (2013) · Geoderma · doi:10.1016/j.geoderma.2013.04.018 · Cited by 509
Liao, S., Pan, B., Li, H., Zhang, D., & Xing, B. (2014) · Environmental Science & Technology · doi:10.1021/es404250a · Cited by 454
You, S., Ok, Y. S., Chen, S. S., Tsang, D. C. W., Kwon, E. E., Lee, J., & Wang, C. (2017) · Bioresource Technology · doi:10.1016/j.biortech.2017.06.177 · Cited by 441
Environmental Benefits of Biochar
Ippolito, J. A., Laird, D. A., & Busscher, W. J. (2012) · Journal of Environmental Quality · doi:10.2134/jeq2012.0151 · Cited by 428
Self-citation
Metadata
- Authors
- Rogovska, N., Laird, D., Cruse, R. M., Trabue, S., & Heaton, E.
- Affiliations
- Agricultural Research Service (US)
- Corresponding author
- Rogovska, N.
- Venue
- Journal of Environmental Quality
- Publisher
- Wiley
- Published
- 2012-07
- Volume
- 41
- Issue
- 4
- Pages
- 1014-1022
- ISSN
- 0047-2425 (ISSN-L)
- OpenAlex
- W2003802036
- Cited by
- 204
- References
- 52
- Citations by year
- 2026: 11 · 2025: 12 · 2024: 14 · 2023: 21 · 2022: 13 · 2021: 22 · 2020: 14 · 2019: 17 · 2018: 10 · 2017: 9 · 2016: 24 · 2015: 14 · 2014: 13 · 2013: 7 · 2012: 1
- FWCI
- 12.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Journal of Environmental Quality (publishedVersion)
- PubMed (publishedVersion)
- Iowa State University Digital Repository (Iowa State University) (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Allelopathy and phytotoxic interactions
- Physical Sciences › Energy › Fuel Technology › Thermochemical Biomass Conversion Processes
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Keywords
- biochar quality, seed germination, phytotoxicity, allelochemicals, corn residue, polycyclic aromatic hydrocarbons, seedling growth, biochar feedstock, pyrolysis temperature, biochar adsorption
- MeSH terms
- Charcoal, Zea mays, Poaceae, Pheromones, Water, Wood, Incineration, Germination
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