Risso, W.E. et al. 2015. Organic production in corn: impact of fertilization with landfill leachate in chemical composition, productivity and concentration of metals in grain. Semina: Ciências Agrárias. 36, 5 (Oct. 2015), 3101–3112. DOI:https://doi.org/10.5433/1679-0359.2015v36n5p3101.