Effect of Nano-NPK fertilizer and humic acid on vegetative growth and chemical properties of the vegetative parts of broccoli (Brassica oleracea var. Italica) in gypsiferous soil. Euphrates journal of agricultural science, [S. l.], v. 18, n. 2, 2026. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/660. Acesso em: 9 nov. 2026.