Indirect determination of N-total in plant materials by flame atomic absorption spectrometry involving a AgCl(s) mini-column . Scientia Agricola, [S. l.], v. 58, n. 1, p. 151–155, 2001. DOI: 10.1590/S0103-90162001000100023. Disponível em: https://www.revistas.usp.br/sa/article/view/21586.. Acesso em: 4 jun. 2024.