ALARU, Maarika; TALGRE, Liina; EREMEEV, Viacheslav; TEIN, Berit; LUIK, Anne; NEMVALTS, Anu; LOIT, Evelin. Crop yields and supply of nitrogen compared in conventional and organic farming systems. Agricultural and Food Science, [S. l.], v. 23, n. 4, p. 317–326, 2014. DOI: 10.23986/afsci.46422. Disponível em: https://journal.fi/afs/article/view/46422. Acesso em: 10 dec. 2025.