METTÄLÄ, A.; KOPONEN, M.; PIRINEN, H. The effect of fertilization and crop rotation on soil chemical and biological properties. Field trials on a clay soil in Southern Finland. Agricultural and Food Science, [S. l.], v. 54, n. 5, p. 331–344, 1982. DOI: 10.23986/afsci.72114. Disponível em: https://journal.fi/afs/article/view/72114. Acesso em: 6 may. 2024.