Performance of Ten Apple Orchard Systems: Ten-Year Summary of the 1990 NC-140 Systems Trial. Journal of the American Pomological Society, [S. l.], v. 55, n. 4, p. 222–238, 2001. DOI: 10.71318/apom.2001.55.4.222. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2451. Acesso em: 30 jan. 2026.