VIRKAJÄRVI, P.; HUHTA, H.; TUURI, H. Effect of nitrogen fertilization, grass species and cultivar on sod production on Valkeasuo peat bog - a case study. Agricultural and Food Science, [S. l.], v. 6, n. 3, p. 269–281, 1997. DOI: 10.23986/afsci.72790. Disponível em: https://journal.fi/afs/article/view/72790. Acesso em: 8 may. 2024.