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Article Dans Une Revue Q Open Année : 2021

Integrated assessment of legume production challenged by European policy interaction: A case-study approach from French and German dairy farms

Julia Heinrichs
  • Fonction : Auteur
Christoph Pahmeyer
  • Fonction : Auteur
Wolfgang Britz
  • Fonction : Auteur

Résumé

Legumes, which currently show low production levels in the European Union, can reduce negative environmental externalities of agricultural systems by lowering nitrogen (N) fertilization and increasing protein self-sufficiency. This has led to the introduction of coupled support in France, in contrast to Germany. However, the German implementation of the Nitrates Directive is more favorable for legumes. Our study assesses economic and environmental impacts of these two policies affecting legume production. We employ the bio-economic model FarmDyn, representing French and German dairy farms. The results suggest that relatively low levels of coupled support can lead to modest increases in legume production, but that more substantial changes require considerable subsidies. Allowing the French farm to apply manure on legumes, as is already possible in Germany, fosters legume production while considerably reducing the use of synthetic N fertilizer and imported protein-rich feed. However, environmental benefits are limited.
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Dates et versions

hal-03142612 , version 1 (17-02-2021)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Julia Heinrichs, Julia Jouan, Christoph Pahmeyer, Wolfgang Britz. Integrated assessment of legume production challenged by European policy interaction: A case-study approach from French and German dairy farms. Q Open, 2021, 1 (1), pp.1-19. ⟨10.1093/qopen/qoaa011⟩. ⟨hal-03142612⟩

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