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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.09.013
|2 doi
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|a pubmed25n0919.xml
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|a (DE-627)NLM276018958
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|a (NLM)28931476
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|a (PII)S0956-053X(17)30681-5
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Fillingham, M A
|e verfasserin
|4 aut
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|a Greenhouse gas and ammonia emissions from production of compost bedding on a dairy farm
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 11.01.2018
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|a Date Revised 11.01.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Crown Copyright © 2017. Published by Elsevier Ltd. All rights reserved.
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|a Recent developments in composting technology enable dairy farms to produce their own bedding from composted manure. This management practice alters the fate of carbon and nitrogen; however, there is little data available documenting how gaseous emissions are impacted. This study measured in-situ emissions of methane (CH4), carbon dioxide (CO2), nitrous oxide (N2O), and ammonia (NH3) from an on-farm solid-liquid separation system followed by continuously-turned plug-flow composting over three seasons. Emissions were measured separately from the continuously-turned compost phase, and the compost-storage phase prior to the compost being used for cattle bedding. Active composting had low emissions of N2O and CH4 with most carbon being emitted as CO2-C and most N emitted as NH3-N. Compost storage had higher CH4 and N2O emissions than the active phase, while NH3 was emitted at a lower rate, and CO2 was similar. Overall, combining both the active composting and storage phases, the mean total emissions were 3.9×10-2gCH4kg-1 raw manure (RM), 11.3gCO2kg-1 RM, 2.5×10-4g N2O kg-1 RM, and 0.13g NH3 kg-1 RM. Emissions with solid-separation and composting were compared to calculated emissions for a traditional (unseparated) liquid manure storage tank. The total greenhouse gas emissions (CH4+N2O) from solid separation, composting, compost storage, and separated liquid storage were reduced substantially on a CO2-equivalent basis compared to traditional liquid storage. Solid-liquid separation and well-managed composting could mitigate overall greenhouse gas emissions; however, an environmental trade off was that NH3 was emitted at higher rates from the continuously turned composter than reported values for traditional storage
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|a Journal Article
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|a Continuously turned composting
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|a Dairy manure
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|a Greenhouse gas emissions
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|a Manure management
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|a Air Pollutants
|2 NLM
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|a Greenhouse Gases
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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| 650 |
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a VanderZaag, A C
|e verfasserin
|4 aut
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|a Burtt, S
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|4 aut
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|a Baldé, H
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|4 aut
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|a Ngwabie, N M
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|a Smith, W
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|a Hakami, A
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|a Wagner-Riddle, C
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|a Bittman, S
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|a MacDonald, D
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 70(2017) vom: 15. Dez., Seite 45-52
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:70
|g year:2017
|g day:15
|g month:12
|g pages:45-52
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|u http://dx.doi.org/10.1016/j.wasman.2017.09.013
|3 Volltext
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