VALKAMA, E.; SALO, T.; ESALA, M.; TURTOLA, E. Grain quality and N uptake of spring cereals as affected by nitrogen fertilization in northern conditions: a meta-analysis. Agricultural and Food Science, [S. l.], v. 22, n. 2, p. 208–222, 2013. DOI: 10.23986/afsci.7448. Disponível em: https://journal.fi/afs/article/view/7448. Acesso em: 28 mar. 2024.