Santos, L. H. dos, Loss, A., Lourenzi, C. R., Souza, M., Gonzatto, R., Kurtz, C., … Comin, J. J. (2018). Total nitrogen and humic substances in aggregates of soils with onion crops under no-tillage and conventional tillage systems. Revista Colombiana de Ciencias Hortícolas, 12(1), 166–174. https://doi.org/10.17584/rcch.2018v12i1.7339