Foliar Nutrient Content of ‘Starkspur Supreme Delicious’ on Nine Clonal Apple Rootstocks. Journal of the American Pomological Society, [S. l.], v. 45, n. 4, p. 252–263, 1991. DOI: 10.71318/apom.1991.45.4.252. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1933. Acesso em: 29 jan. 2026.