Distributions of zinc, copper, cadmium and lead in a tropical ultisol after long-term disposal of sewage sludge

Anderson, 1972, Enrichment of trace elements from sewage fertilizers in soils and plant, Ambio, 1, 176 Candelaria, 1995, Measuring cadmium ion activities in sludge amended soils, Soil Sci., 159, 162, 10.1097/00010694-199503000-00003 Chaney, 1994, Trace metal movement in soil–plant systems and bioavailability of biosolids, 27 Dowdy, 1984, Movement of heavy metals in soils, 229 Elliot, 1986, Competitive adsorption of heavy metals by soils, J. Environ. Qual., 15, 214, 10.2134/jeq1986.00472425001500030002x Hinesley, 1972, Effects on corn by application of heated anaerobically digested sludge, Compost Sci., 13, 26 Kuo, 1985, Effects of soil type, liming and sludge application on Zinc and Cadmium availability to Swisschare, Soil Sci., 122, 350 McBride, 1995, Toxic metal accumulation from agricultural use of sewage sludge. Are USEPA regulations protective?, J. Environ. Qual., 24, 5, 10.2134/jeq1995.00472425002400010002x McGrath, 1994, Effects of heavy metals from sewage sludge on soil microbes in agricultural ecosystems, 247 McLaughlin, 1996, Review: the behaviour and environmental impact of contaminants in fertilizers, Aust. J. Soil Res., 34, 1, 10.1071/SR9960001 McLean, 1982, Soil pH and lime requirement, vol. 9, 199 Nelson, 1982, Total carbon, organic carbon and organic matter, vol. 9, 539 Rhoades, 1982, Cation exchange capacity, vol. 9, 149 Robertson, 1982, Heavy application of liquid-digested sludge on three Ultisols: 1. Effects on soil chemistry, J. Environ. Qual., 11, 278, 10.2134/jeq1982.00472425001100020026x Sidle, 1977, Transport of heavy metals in sludge-treated forested area, J. Environ. Qual., 6, 431, 10.2134/jeq1977.00472425000600040022x Smith, 1991, Effects of sewage sludge application on soil microbial processes and soil fertility, Adv. Soil Sci., 16, 191, 10.1007/978-1-4612-3144-8_4 Tyler, 1982, Mobility and extractability of cadmium, copper, nickel and zinc in organic and mineral soil columns, Soil Sci., 134, 198, 10.1097/00010694-198209000-00009 Van Erp, 1991, Long-term heavy metal leaching from soils, sewage sludge and soil/sewage mixtures, Environ. Sci. Technol., 25, 706