Tolentino Júnior, C.F., Heredia Zárate, N.A. and Vieira, M. dos C. 2008. Peruvian carrot yield in intercropping systems with lettuce and beet. Acta Scientiarum. Agronomy. 24, (Apr. 2008), 1447-1454. DOI:https://doi.org/10.4025/actasciagron.v24i0.2400.