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Akert, Franziska; Zeller, Katharina; Frey, Hansjörg; Hofstetter, Pius; Berard, Joel; Kreuzer, Michael; Reidy, Beat (2020). Farm-gate nutrient balances of grassland-based milk production systems with full- or part-time grazing and fresh herbage indoor feeding at variable concentrate levels Nutrient Cycling in Agroecosystems, 117(3), pp. 383-400. Springer 10.1007/s10705-020-10072-y
