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Higher carbon sequestration on Swedish dairy farms compared with other farm types as revealed by national soil inventories

Henryson, Kajsa and Meurer, Katharina and Bolinder, Martin and Kätterer, Thomas and Tidåker, Pernilla (2022). Higher carbon sequestration on Swedish dairy farms compared with other farm types as revealed by national soil inventories. Carbon Management. 13 :1 , 266-278
[Research article]

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Abstract

Small changes in the large stock of soil organic carbon (SOC) can have a substantial influence on the climate impact of agriculture. We used information from a Swedish soil monitoring program, in combination with farm census data, to analyze decadal SOC concentrations and SOC stock changes on dairy farms compared with other farm types, and to quantify the climate impact of these changes on dairy farms. Soil monitoring data included topsoil samples from two inventories on 159 dairy farms, 86 beef farms, 318 arable farms, and 13 pig farms, taken at the same locations in 2001-2007 and 2011-2017. Concentrations of SOC on dairy farms (3.0%) were significantly higher than on arable farms (2.3%) and pig farms (2.4%), but not significantly different from beef farms (3.1%). SOC concentration was correlated with proportion of ley at farm scale. SOC stocks in the upper 20 cm increased significantly on dairy, beef, and arable farms, by 0.38, 0.14, and 0.21 Mg C ha(-1 )year(-1), respectively, between 2001-2007 and 2011-2017. For dairy farms, this corresponded to -1.4 Mg CO2 ha(-1) and approximately -0.22 kg CO2 kg(-1) energy-corrected milk, demonstrating that SOC changes could have a substantial influence on the climate footprint of milk.

Authors/Creators:Henryson, Kajsa and Meurer, Katharina and Bolinder, Martin and Kätterer, Thomas and Tidåker, Pernilla
Title:Higher carbon sequestration on Swedish dairy farms compared with other farm types as revealed by national soil inventories
Series Name/Journal:Carbon Management
Year of publishing :2022
Volume:13
Number:1
Page range:266-278
Number of Pages:13
Publisher:TAYLOR AND FRANCIS LTD
ISSN:1758-3004
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 405 Other Agricultural Sciences > Environmental Sciences related to Agriculture and Land-use
Keywords:Soil organic carbon, milk production systems, climate impact, soil and crop monitoring program
URN:NBN:urn:nbn:se:slu:epsilon-p-117285
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-117285
Additional ID:
Type of IDID
DOI10.1080/17583004.2022.2074315
Web of Science (WoS)000796251600001
ID Code:28234
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Energy and Technology
(NL, NJ) > Dept. of Soil and Environment
(S) > Dept. of Soil and Environment

(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:03 Jun 2022 08:15
Metadata Last Modified:03 Jun 2022 08:21

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