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Reckling M, Bergkvist G, Watson CA, et al. Trade-Offs between Economic and Environmental Impacts of Introducing Legumes into Cropping Systems. Front Plant Sci. 2016;7:669doi: 10.3389/fpls.2016.00669.
Reckling, M., Bergkvist, G., Watson, C. A., Stoddard, F. L., Zander, P. M., Walker, R. L., Pristeri, A., Toncea, I., & Bachinger, J. (2016). Trade-Offs between Economic and Environmental Impacts of Introducing Legumes into Cropping Systems. Frontiers in plant science, 7669. https://doi.org/10.3389/fpls.2016.00669
Reckling, Moritz, et al. "Trade-Offs between Economic and Environmental Impacts of Introducing Legumes into Cropping Systems." Frontiers in plant science vol. 7 (2016): 669. doi: https://doi.org/10.3389/fpls.2016.00669
Reckling M, Bergkvist G, Watson CA, Stoddard FL, Zander PM, Walker RL, Pristeri A, Toncea I, Bachinger J. Trade-Offs between Economic and Environmental Impacts of Introducing Legumes into Cropping Systems. Front Plant Sci. 2016 May 23;7:669. doi: 10.3389/fpls.2016.00669. eCollection 2016. PMID: 27242870; PMCID: PMC4876776.
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Front Plant Sci. 2016 May 23;7:669. doi: 10.3389/fpls.2016.00669. eCollection 2016.

Trade-Offs between Economic and Environmental Impacts of Introducing Legumes into Cropping Systems.

Frontiers in plant science

Moritz Reckling, Göran Bergkvist, Christine A Watson, Frederick L Stoddard, Peter M Zander, Robin L Walker, Aurelio Pristeri, Ion Toncea, Johann Bachinger

Affiliations

  1. Institute of Land Use Systems, Leibniz Centre for Agricultural Landscape ResearchMüncheberg, Germany; Department of Crop Production Ecology, Swedish University of Agricultural SciencesUppsala, Sweden.
  2. Department of Crop Production Ecology, Swedish University of Agricultural Sciences Uppsala, Sweden.
  3. Department of Crop Production Ecology, Swedish University of Agricultural SciencesUppsala, Sweden; Crop and Soil Systems, Scotland's Rural CollegeAberdeen, UK.
  4. Department of Agricultural Sciences, University of Helsinki Helsinki, Finland.
  5. Institute of Socio-Economics, Leibniz Centre for Agricultural Landscape Research Müncheberg, Germany.
  6. Crop and Soil Systems, Scotland's Rural College Aberdeen, UK.
  7. Department of Agricultural Science, Mediterranean University of Reggio Calabria Reggio Calabria, Italy.
  8. National Agricultural Research and Development Institute Fundulea, Romania.
  9. Institute of Land Use Systems, Leibniz Centre for Agricultural Landscape Research Müncheberg, Germany.

PMID: 27242870 PMCID: PMC4876776 DOI: 10.3389/fpls.2016.00669

Abstract

Europe's agriculture is highly specialized, dependent on external inputs and responsible for negative environmental impacts. Legume crops are grown on less than 2% of the arable land and more than 70% of the demand for protein feed supplement is imported from overseas. The integration of legumes into cropping systems has the potential to contribute to the transition to a more resource-efficient agriculture and reduce the current protein deficit. Legume crops influence the production of other crops in the rotation making it difficult to evaluate the overall agronomic effects of legumes in cropping systems. A novel assessment framework was developed and applied in five case study regions across Europe with the objective of evaluating trade-offs between economic and environmental effects of integrating legumes into cropping systems. Legumes resulted in positive and negative impacts when integrated into various cropping systems across the case studies. On average, cropping systems with legumes reduced nitrous oxide emissions by 18 and 33% and N fertilizer use by 24 and 38% in arable and forage systems, respectively, compared to systems without legumes. Nitrate leaching was similar with and without legumes in arable systems and reduced by 22% in forage systems. However, grain legumes reduced gross margins in 3 of 5 regions. Forage legumes increased gross margins in 3 of 3 regions. Among the cropping systems with legumes, systems could be identified that had both relatively high economic returns and positive environmental impacts. Thus, increasing the cultivation of legumes could lead to economic competitive cropping systems and positive environmental impacts, but achieving this aim requires the development of novel management strategies informed by the involvement of advisors and farmers.

Keywords: crop rotation; framework; land use and impacts; multi-criteria assessment; protein crops; resource-efficiency; rotation generator

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