Sunnhemp and millet as green manure for tropical maize production . Scientia Agricola, [S. l.], v. 63, n. 5, p. 453–459, 2006. DOI: 10.1590/S0103-90162006000500006. Disponível em: https://www.revistas.usp.br/sa/article/view/22188.. Acesso em: 1 jun. 2024.