STALENGA, J.; KOPIŃSKI, J. Nutrient balance and share of green fields in organic farms with different production profile. Polish Journal of Agronomy, [S. l.], n. 35, p. 45–51, 2018. DOI: 10.26114/pja.iung.367.2018.35.05. Disponível em: https://journals.iung.pl/index.php/pja/article/view/71. Acesso em: 7 lis. 2024.