Heavy metal content of vegetables irrigated with mixtures of wastewater and sewage sludge in Zimbabwe: Implications for human health
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Chumbley, 1982, Cadmium and lead content of vegetable crop grown on land with a history of sewage sludge application, Environ. Pollut., 4, 231, 10.1016/0143-148X(82)90055-6
Department of Metrological Services, 1977. Mean Rainfall in Rhodesia. Rainfall Handbook Suppl. No. 8, 62 pp.
Downs, 1999, Comparison of mercury bioaccumulation in eel (Aquilla aquilla) and roach (Rutilus rutilus) from river systems in East Anglia, UK. II. Sources of mercury to fish and the role of atmospheric deposition, Environ. Technol., 20, 1202, 10.1080/09593332008616919
Devkota, 2000, Accumulation of heavy metals in food plants and grasshoppers from the Taigetos Mountains, Greece, Agric. Ecosyst. Environ., 78, 85, 10.1016/S0167-8809(99)00110-3
EC, 2001. Commission Regulation (EC) 466/2001. Setting maximum levels for certain contaminants in foodstuffs. Official Journal of the European Communities, pp. 77.
Ferguson, 1990, Heavy metals in plants, 7
Frost, 2000, Trace metal concentration in durum wheat from application of sewage sludge and commercial fertilizer, Adv. Environ. Res., 4, 347, 10.1016/S1093-0191(00)00035-6
Itanna, 2002, Metals in leafy vegetables grown in Addis Ababa and toxicological implications, Ethiopian. J. Health Dev., 6, 295
Lake, 1987, Chemical speciation of heavy metals in sewage sludge and related matrices, 15
Lake, 1984, The fractionation, characterisation and speciation of heavy metals in sewage sludge and sewage sludge amended soils: a review, J. Environ. Qual., 13, 175, 10.2134/jeq1984.00472425001300020001x
Lester, J.N. (Ed.), 1987. Heavy Metals in Wastewater & Sludge Treatment Processes. CRC Press Inc., Boca Raton, USA, 208 pp.
Lester, 2001, Sewage and sewage and sewage sludge treatment, 113
Madyiwa, 2002, Cumulative effects of sewage sludge and effluent mixture application on soil properties of a sandy soil under a mixture of star and kikuyu grasses in Zimbabwe, Phys. Chem. Earth Parts A/B/C, 27, 747, 10.1016/S1474-7065(02)00062-1
Madyiwa, S., Chimbari, M., Nyamangara, J., Bangira, C., 2002b. Phyto-extraction capacity of Coynodon lemfuensis (star grass) at artificially elevated concetrations of Pb and Cd in sandy soils under greenhouse conditions. In: Third WaterNet/Warfsa Symposium ‘Water Demand Management for Suitable Development’, Dar-es-Salaam, pp. 1–10.
Mangwayana, E.S., 1995. Heavy metals pollution from sewage sludge and effluent of soil and grasses at Crowborough Farm. B.Sc. Thesis. University of Zimbabwe, p. 63.
Nhapi, 2001, Assessment of the major water and nutrient flows in the Chivero catchment area, Zimbabwe, Phys. Chem. Earth Parts A/B/C, 27, 783, 10.1016/S1474-7065(02)00066-9
Nyamangara, 1999, The effect of long term sewage sludge application on Zn, Cu, Ni and Pb levels in a clay loam soil under pasture grass in Zimbabwe, Agric. Ecosyst. Environ., 73, 199, 10.1016/S0167-8809(99)00056-0
Rethman, N.F.G., Truter, W.F., 2001. Plant responses on soils ameliorated with waste products. 18th National meeting of ASSMR, Albuquerque, New Mexico, USA, p. 425.
Sanchez-Castillo, 1998, The mineral content of Mexican fruits and vegetables, J. Food Comp. Anal., 11, 340, 10.1006/jfca.1998.0598
Sauve, 1996, Linking tissue copper concentrations and soil copper pools in urban contaminated soils, Environ. Pollut., 94, 153, 10.1016/S0269-7491(96)00081-4
Scott, 1996, Native and low-input grasses—a New Zealand high country perspective, N. Z. J. Agric. Res., 39, 499, 10.1080/00288233.1996.9513211
Sherlock, J., 1986. Cadmium in foods and diet. In: Cadmium in the Environment. Experientia Supplementum 50, p. 110.
USEPA, 2001a. Microwave assisted digestion of sediments, sludges, soils and oils. Official Methods/US EPA methods: Method 3051a, p. 846.
USEPA, 2001b. Microwave assisted acid digestion of siliceous materials. Official Methods/US EPA methods: Method 3051, p. 846.
United Kingdom Regulations, 1989. Statutory Instrument 1989 No. 1263 Sludge (Use in Agriculture) Regulations. MAFF, HMSO, London, pp. 15–27.