C. F. de Campos, A. A. M. Barroso, A. C. da Silva Junior, C. G. Gonçalves, and D. Martins, “Periods of weed interference in maize crops cultivated in the first and second cycles”, Semina: Ciênc. Agrár., vol. 37, no. 5, pp. 2867–2880, Oct. 2016.