Queiroz, G.C.M. de, Silva, F.W.A. da, Portela, J.C., Oliveira, V.N.S. de and Santos, M.V. dos 2019. Density and soil resistance to root penetration in agroecosystems in the Brazilian semiarid. Revista Verde de Agroecologia e Desenvolvimento Sustentável. 14, 4 (Oct. 2019), 497–505. DOI:https://doi.org/10.18378/rvads.v14i4.6355.