SAARELA, I.; SALO, Y.; VUORINEN, M. Effects of repeated phosphorus fertilisation on field crops in Finland 1.Yield responses on clay and loam soils relation to soil test P values. Agricultural and Food Science, [S. l.], v. 15, n. 2, p. 106–123, 2006. DOI: 10.2137/145960606778644548. Disponível em: https://journal.fi/afs/article/view/5835. Acesso em: 19 apr. 2024.