Carbon sequestration potential of hydrothermal carbonization char (hydrochar) in two contrasting soils; results of a 1-year field study
Soil amendment with hydrochar produced by hydrothermal carbonization of biomass is suggested as a simple, cheap, and effective method for increasing soil C. We traced C derived from corn silage hydrochar (δ¹³C of −13 ‰) added to “coarse” and “fine” textured soils (δ¹³C of −27 ‰ for native soil C (SO...
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| Veröffentlicht in: | Biology and fertility of soils 2015-01, Vol.51 (1), p.123-134 |
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| creator | Malghani, Saadatullah Jüschke, Elisabeth Baumert, Julia Thuille, Angelika Antonietti, Markus Trumbore, Susan Gleixner, Gerd |
| description | Soil amendment with hydrochar produced by hydrothermal carbonization of biomass is suggested as a simple, cheap, and effective method for increasing soil C. We traced C derived from corn silage hydrochar (δ¹³C of −13 ‰) added to “coarse” and “fine” textured soils (δ¹³C of −27 ‰ for native soil C (SOC)) over two cropping seasons. Respiration rates increased in both soils (p |
| doi_str_mv | 10.1007/s00374-014-0980-1 |
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We traced C derived from corn silage hydrochar (δ¹³C of −13 ‰) added to “coarse” and “fine” textured soils (δ¹³C of −27 ‰ for native soil C (SOC)) over two cropping seasons. Respiration rates increased in both soils (p < 0.001) following hydrochar addition, and most of this extra respiration was derived from hydrochar C. Dissolved losses accounted for ~5 % of added hydrochar C (p < 0.001). After 1 year, 33 ± 8 % of the added hydrochar C was lost from both soils. Decomposition rates for the roughly two thirds of hydrochar that remained were very low, with half-life for less estimated at 19 years. In addition, hydrochar-amended soils preserved 15 ± 4 % more native SOC compared to controls (negative priming). Hydrochar negatively affected plant height (p < 0.01) and biomass (p < 0.05) in the first but not the second crop grown on both soils. Our results confirm previous laboratory studies showing that initially, hydrochar decomposes rapidly and limits plant growth. 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We traced C derived from corn silage hydrochar (δ¹³C of −13 ‰) added to “coarse” and “fine” textured soils (δ¹³C of −27 ‰ for native soil C (SOC)) over two cropping seasons. Respiration rates increased in both soils (p < 0.001) following hydrochar addition, and most of this extra respiration was derived from hydrochar C. Dissolved losses accounted for ~5 % of added hydrochar C (p < 0.001). After 1 year, 33 ± 8 % of the added hydrochar C was lost from both soils. Decomposition rates for the roughly two thirds of hydrochar that remained were very low, with half-life for less estimated at 19 years. In addition, hydrochar-amended soils preserved 15 ± 4 % more native SOC compared to controls (negative priming). Hydrochar negatively affected plant height (p < 0.01) and biomass (p < 0.05) in the first but not the second crop grown on both soils. Our results confirm previous laboratory studies showing that initially, hydrochar decomposes rapidly and limits plant growth. 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results of a 1-year field study</title><author>Malghani, Saadatullah ; Jüschke, Elisabeth ; Baumert, Julia ; Thuille, Angelika ; Antonietti, Markus ; Trumbore, Susan ; Gleixner, Gerd</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c443t-22fbd29de1dd6a1f47e96fdec7b2545add4f6848bfb98b252c91f9a61c55399d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Agriculture</topic><topic>Biomass</topic><topic>Biomedical and Life Sciences</topic><topic>Carbon sequestration</topic><topic>Corn silage</topic><topic>half life</topic><topic>hydrochars</topic><topic>hydrothermal carbonization</topic><topic>Isotopes</topic><topic>Life Sciences</topic><topic>Original Paper</topic><topic>Plant growth</topic><topic>Respiration</topic><topic>respiratory rate</topic><topic>soil</topic><topic>Soil amendment</topic><topic>soil amendments</topic><topic>Soil Science & Conservation</topic><topic>Soil sciences</topic><topic>Soil texture</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Malghani, Saadatullah</creatorcontrib><creatorcontrib>Jüschke, Elisabeth</creatorcontrib><creatorcontrib>Baumert, Julia</creatorcontrib><creatorcontrib>Thuille, Angelika</creatorcontrib><creatorcontrib>Antonietti, Markus</creatorcontrib><creatorcontrib>Trumbore, Susan</creatorcontrib><creatorcontrib>Gleixner, Gerd</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Water Resources Abstracts</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>ProQuest Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biological Sciences</collection><collection>Agriculture Science Database</collection><collection>ProQuest Science Journals</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><jtitle>Biology and fertility of soils</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Malghani, Saadatullah</au><au>Jüschke, Elisabeth</au><au>Baumert, Julia</au><au>Thuille, Angelika</au><au>Antonietti, Markus</au><au>Trumbore, Susan</au><au>Gleixner, Gerd</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Carbon sequestration potential of hydrothermal carbonization char (hydrochar) in two contrasting soils; results of a 1-year field study</atitle><jtitle>Biology and fertility of soils</jtitle><stitle>Biol Fertil Soils</stitle><date>2015-01-01</date><risdate>2015</risdate><volume>51</volume><issue>1</issue><spage>123</spage><epage>134</epage><pages>123-134</pages><issn>0178-2762</issn><eissn>1432-0789</eissn><abstract>Soil amendment with hydrochar produced by hydrothermal carbonization of biomass is suggested as a simple, cheap, and effective method for increasing soil C. We traced C derived from corn silage hydrochar (δ¹³C of −13 ‰) added to “coarse” and “fine” textured soils (δ¹³C of −27 ‰ for native soil C (SOC)) over two cropping seasons. Respiration rates increased in both soils (p < 0.001) following hydrochar addition, and most of this extra respiration was derived from hydrochar C. Dissolved losses accounted for ~5 % of added hydrochar C (p < 0.001). After 1 year, 33 ± 8 % of the added hydrochar C was lost from both soils. Decomposition rates for the roughly two thirds of hydrochar that remained were very low, with half-life for less estimated at 19 years. In addition, hydrochar-amended soils preserved 15 ± 4 % more native SOC compared to controls (negative priming). Hydrochar negatively affected plant height (p < 0.01) and biomass (p < 0.05) in the first but not the second crop grown on both soils. Our results confirm previous laboratory studies showing that initially, hydrochar decomposes rapidly and limits plant growth. However, the negative priming effect and persistence of added hydrochar C after 1 year highlight its soil C sequestration potential, at least on decadal timescales.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00374-014-0980-1</doi><tpages>12</tpages></addata></record> |
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| subjects | Agriculture Biomass Biomedical and Life Sciences Carbon sequestration Corn silage half life hydrochars hydrothermal carbonization Isotopes Life Sciences Original Paper Plant growth Respiration respiratory rate soil Soil amendment soil amendments Soil Science & Conservation Soil sciences Soil texture |
| title | Carbon sequestration potential of hydrothermal carbonization char (hydrochar) in two contrasting soils; results of a 1-year field study |
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