@article{article0958196d,
title   = {Use of artificial vision techniques for diagnostic of nitrogen nutritional status in maize plants},
author = {Romualdo, L. M. and Luz, Pedro Henrique de Cerqueira and Devechio, F. F. S. and Marin, M. A. and Zúñiga, A. M. G. and Bruno, Odemir Martinez and Herling, Valdo Rodrigues},
year = {2014},
doi = {10.1016/j.compag.2014.03.009},
journal   = {Computers and Electronics in Agriculture}
}