Alfalfa response to phosphorus sources associated to gypsum and liming . Scientia Agricola, [S. l.], v. 58, n. 2, p. 381–390, 2001. DOI: 10.1590/S0103-90162001000200023. Disponível em: https://www.revistas.usp.br/sa/article/view/21618.. Acesso em: 17 jun. 2024.