Azpilcueta-Pérez, M.E. et al. 2018. Chemical residuality in maize (Zea mays L.) fields irrigated with deep well water. Ecosistemas y Recursos Agropecuarios. 5, 13 (Jan. 2018), 111–117. DOI:https://doi.org/10.19136/era.a5n13.1311.