SUMELIUS, J. A response analysis of wheat and barley to nitrogen in Finland. Agricultural and Food Science, [S. l.], v. 2, n. 6, p. 465–479, 1993. DOI: 10.23986/afsci.72672. Disponível em: https://journal.fi/afs/article/view/72672. Acesso em: 23 may. 2024.