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Crop traits drive s...
Crop traits drive soil carbon sequestration under organic farming
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- García-Palacios, Pablo (författare)
- Rey Juan Carlos University,Universidad Rey Juan Carlos, Móstoles, Spain
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- Gattinger, Andreas (författare)
- Research Institute of Organic Agriculture (FiBL Switzerland)
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- Bracht-Jørgensen, Helene (författare)
- Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Molekylär ekologi och evolution,Forskargrupper vid Lunds universitet,Biodiversity,Department of Biology,Faculty of Science,Molecular Ecology and Evolution Lab,Lund University Research Groups
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- Brussaard, Lijbert (författare)
- Wageningen University
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- Carvalho, Filipe (författare)
- University of Coimbra
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- Castro, Helena (författare)
- University of Coimbra
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- Clément, Jean Christophe (författare)
- University Grenoble Alpes,University of Savoy Mont Blanc
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- De Deyn, Gerlinde (författare)
- Wageningen University
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- D'Hertefeldt, Tina (författare)
- Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Molekylär ekologi och evolution,Forskargrupper vid Lunds universitet,Biodiversity,Department of Biology,Faculty of Science,Molecular Ecology and Evolution Lab,Lund University Research Groups,Lund University, Lund, Sweden
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- Foulquier, Arnaud (författare)
- University Grenoble Alpes
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- Hedlund, Katarina (författare)
- Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Markgruppen,Forskargrupper vid Lunds universitet,Biodiversity,Department of Biology,Faculty of Science,Soil Ecology,Lund University Research Groups
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- Lavorel, Sandra (författare)
- University Grenoble Alpes
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- Legay, Nicolas (författare)
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE),University Grenoble Alpes,L’école nationale supérieure de la nature et du paysage (ENSNP)
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- Lori, Martina (författare)
- Research Institute of Organic Agriculture (FiBL Switzerland)
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- Mäder, Paul (författare)
- Research Institute of Organic Agriculture (FiBL Switzerland)
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- Martínez-García, Laura B. (författare)
- Wageningen University
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- Martins da Silva, Pedro (författare)
- University of Coimbra
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- Muller, Adrian (författare)
- Research Institute of Organic Agriculture (FiBL Switzerland),ETH Zürich
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- Nascimento, Eduardo (författare)
- University of Coimbra
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- Reis, Filipa (författare)
- University of Coimbra
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- Symanczik, Sarah (författare)
- Research Institute of Organic Agriculture (FiBL Switzerland)
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- Paulo Sousa, José (författare)
- University of Coimbra
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- Milla, Rubén (författare)
- Rey Juan Carlos University
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(creator_code:org_t)
- 2018-02-15
- 2018
- Engelska.
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Ingår i: Journal of Applied Ecology. - Chichester : Wiley. - 0021-8901 .- 1365-2664. ; 55:5, s. 2496-2505
- Relaterad länk:
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http://dx.doi.org/10...
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https://besjournals....
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https://doi.org/10.1...
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https://hh.diva-port... (primary) (Raw object)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Organic farming (OF) enhances top soil organic carbon (SOC) stocks in croplands compared with conventional farming (CF), which can contribute to sequester C. As farming system differences in the amount of C inputs to soil (e.g. fertilization and crop residues) are not enough to explain such increase, shifts in crop residue traits important for soil C losses such as litter decomposition may also play a role. To assess whether crop residue (leaf and root) traits determined SOC sequestration responses to OF, we coupled a global meta-analysis with field measurements across a European-wide network of sites. In the meta-analysis, we related crop species averages of leaf N, leaf-dry matter content, fine-root C and N, with SOC stocks and sequestration responses in OF vs. CF. Across six European sites, we measured the management-induced changes in SOC stocks and leaf litter traits after long-term ecological intensive (e.g. OF) vs. CF comparisons. Our global meta-analysis showed that the positive OF-effects on soil respiration, SOC stocks, and SOC sequestration rates were significant even in organic farms with low manure application rates. Although fertilization intensity was the main driver of OF-effects on SOC, leaf and root N concentrations also played a significant role. Across the six European sites, changes towards higher leaf litter N in CF also promoted lower SOC stocks. Our results highlight that crop species displaying traits indicative of resource-acquisitive strategies (e.g. high leaf and root N) increase the difference in SOC between OF and CF. Indeed, changes towards higher crop residue decomposability was related with decreased SOC stocks under CF across European sites. Synthesis and applications. Our study emphasizes that, with management, changes in crop residue traits contribute to the positive effects of organic farming (OF) on soil carbon sequestration. These results provide a clear message to land managers: the choice of crop species, and more importantly their functional traits (e.g. leave and root nitrogen), should be considered in addition to management practices and climate, when evaluating the potential of OF for climate change mitigation.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
Nyckelord
- climate change mitigation
- crop residue
- ecological intensification
- leaf nitrogen
- meta-analysis
- organic farming
- resource economics traits
- soil carbon stocks
- SOC sequestration
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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García-Palacios, ...
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Gattinger, Andre ...
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Bracht-Jørgensen ...
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Brussaard, Lijbe ...
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Carvalho, Filipe
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Castro, Helena
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visa fler...
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Clément, Jean Ch ...
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De Deyn, Gerlind ...
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D'Hertefeldt, Ti ...
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Foulquier, Arnau ...
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Hedlund, Katarin ...
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Lavorel, Sandra
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Legay, Nicolas
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Lori, Martina
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Mäder, Paul
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Martínez-García, ...
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Martins da Silva ...
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Muller, Adrian
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Nascimento, Edua ...
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Reis, Filipa
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Symanczik, Sarah
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Paulo Sousa, Jos ...
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Milla, Rubén
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Biologi
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och Ekologi
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- LANTBRUKSVETENSKAPER
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LANTBRUKSVETENSK ...
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och Lantbruksvetensk ...
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och Markvetenskap
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Lunds universitet
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Högskolan i Halmstad