The effects of applying agricultural polymers and altering watering frequency on the availability of iron and zinc in the soil. Euphrates journal of agricultural science, [S. l.], v. 15, n. 3, p. 357–364, 2023. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/141. Acesso em: 12 nov. 2026.