XIE, Chuanqi; YANG, Ce; JR, Alexander Hummel; JOHNSON, Gregg A; IZUNO, Forrest T. Spectral reflectance response to nitrogen fertilization in field grown corn. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 11, n. 4, p. 118–126, 2018. Disponível em: https://www.ijabe.org/index.php/ijabe/article/view/2960. Acesso em: 1 feb. 2026.