Capeleto De Andrade, L.; Andreazza, R.; Anastácio de Oliveira Camargo, F. Cultivation of sorghum and sunflower in soils with amendment of sludge from industrial Landfill. Int. J. Recycl. Org. Waste Agric. 2018, 8 (2). https://doi.org/10.1007/s40093-018-0236-4.