The effect of spraying with natural organic fertilizer and balanced nano-NPK fertilizer on the phenotypic traits of Brassica oleracea var. Italica. Euphrates journal of agricultural science, [S. l.], v. 18, n. 3, 2026. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/360. Acesso em: 31 oct. 2026.