URFI, Péter; BACSI, Zsuzsanna. Some economic consequences of the accumulation and depletion of the soil nutrient content in crop production in Hungary. Acta Agraria Kaposváriensis, [S. l.], v. 3, n. 1, p. 51–60, 1999. Disponível em: https://journal.uni-mate.hu/index.php/aak/article/view/1352. Acesso em: 5 dec. 2025.