SAARELA, I.; HUHTA, H.; VIRKAJÄRVI, P. Effects of repeated phosphorus fertilisation on field crops in Finland 2.Sufficient phosphorus application rates on silty and sandy soils. Agricultural and Food Science, [S. l.], v. 15, n. 4, p. 423–443, 2006. DOI: 10.2137/145960606780061489. Disponível em: https://journal.fi/afs/article/view/5853. Acesso em: 16 jun. 2024.