Ramella, J.R.P. et al. 2020. Weed interference on nutrient accumulation in the leaves of cassava under no-tillage or conventional tillage. Pesquisa Agropecuaria Brasileira. 55, X (Nov. 2020), e01750. DOI:https://doi.org/10.1590/S1678-3921.pab2020.v55.26812.