Show simple item record

dc.contributor.authorHestrin, Rachel
dc.contributor.authorEnders, Akio
dc.contributor.authorLehmann, Johannes
dc.date.accessioned2020-09-22T19:29:32Z
dc.date.available2020-09-22T19:29:32Z
dc.date.issued2020
dc.identifier.urihttps://hdl.handle.net/1813/72608
dc.descriptionPlease cite as: Rachel Hestrin, Akio Enders, and Johannes Lehmann. (2020) Data From: Ammonia volatilization from composting with oxidized biochar. Cornell University eCommons Repository. https://doi.org/10.7298/p9wj-nk83
dc.description.abstractData in support of the following research: Animal manure, agricultural residues, and other sources of biomass can be diverted from the waste stream and composted into valuable fertilizer. However, composting often results in substantial N loss through NH3 gas volatilization. We investigated biochar’s capacity to improve NH3–N retention during composting of poultry manure and straw. After 7 weeks, total NH3–N loss from composting with unoxidized biochar was twofold and sixfold higher than N loss from composting with oxidized biochar and without biochar (307, 142, and 51 mg N g-1 N in the initial compost feedstocks, respectively). When cumulative NH3–N loss was calculated relative to CO2–C loss to account for differences in microbial activity, NH3–N:CO2–C loss from compost with oxidized biochar was 55% lower than from compost with unoxidized biochar (82% lower based on mass balance). Oxidized biochar particles removed from compost after 7 weeks retained 16.0 mg N g-1 biochar, compared to only 6.1 mg N g-1 retained by unoxidized biochar, suggesting that N retention by biochar particles provides a mechanism for reduced NH3–N loss. These data show that oxidized biochar enhanced microbial activity, doubled composting rate, and reduced NH3–N loss, and that biochar’s physiochemical characteristics modulate its performance in compost. In particular, the presence of oxidized surface functional groups—which can be increased artificially or through environmental weathering—appear to play an important role in key compost processes. This has implications for other natural and managed systems where pyrogenic organic matter may mediate biological activity and nutrient cycles.
dc.language.isoen_USen_US
dc.relation.isreferencedbyHestrin, R., Enders, A. and Lehmann, J. (2020), Ammonia volatilization from composting with oxidized biochar. J. Environ. Qual.. Accepted Author Manuscript. doi:10.1002/jeq2.20154
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectAmmonia emissions
dc.subjectcomposting
dc.subjectbiochar
dc.subjectoxidation
dc.titleData From: Ammonia volatilization from composting with oxidized biocharen_US
dc.typedataseten_US
dc.relation.isreferencedbyurihttps://doi.org/10.1002/jeq2.20154
dc.identifier.doihttps://doi.org/10.7298/p9wj-nk83
schema.accessibilityHazardnoneen_US


Files in this item

Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail

This item appears in the following Collection(s)

Show simple item record

Except where otherwise noted, this item's license is described as Attribution 4.0 International

Statistics