Oliveira, L.D. de, Chaves, L.H.G. , Cavalcante, A.R., Souza, F.G. de ., Vasconcelos, A.C.F. de and Araujo, J.S. 2020. Production components of crambe in paraiba semi-arid region with nitrogen fertilization and different spacings. Bioscience Journal. 36, 4 (May 2020), 1203–1210. DOI:https://doi.org/10.14393/BJ-v36n4a2020-48042.