GERASIMOVA, Iliyana; KATSAROVA, Ana; PETKOVA, Zdravka. Export of macroelements with sunflower biomass in dependence of fertilizer types andnorms. Bulgarian Journal of Agricultural Science, Sofia, BG, v. 30, n. 6, p. 966–973, 2024. Disponível em: https://agriacad.eu/ojs/index.php/bjas/article/view/1101.. Acesso em: 20 oct. 2026.