15N-labeled nitrogen from green manure and ammonium sulfate utilization by the sugarcane ratoon . Scientia Agricola, [S. l.], v. 68, n. 3, p. 361–368, 2011. DOI: 10.1590/S0103-90162011000300014. Disponível em: https://revistas.usp.br/sa/article/view/22679.. Acesso em: 17 jul. 2024.