Mine tailings are a significant source of heavy metal contamination for soils in their proximity. In Zambia’s Copperbelt Province, historical and current mining operations have resulted in large outputs of tailings. Food crops grown on contaminated soils may be a conduit for transfer of heavy...
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In Kabwe, contamination resulting from lead (Pb), Zinc (Zn) and Cadmium (Cd) has led to high concentration of the heavy metals in the soils. These contaminations cause a serious threat to the food chain, mostly through the uptake of these metals by crops such as maize. This study was conducted to...
Water is an essential product for human survival, which all age groups consume and access to safe drinking water is essential to health. Safe drinking water implies that the water does not represent any significant risk to health over a lifetime of consumption, including different sensitivities...
Download PDF ↓Many people in the world lack safe basic drinking water sources and rely on untreated water sources. Unsafe drinking water is responsible for transmission of diseases such as Cholera, Dysentery and Typhoid. Packaged water can be considered as an alternative to other water sources if measures are...
Download PDF ↓15. Efficacy and residual effects of topramezone and dicamba herbicide on weed control in selected crops
Numerous plants are considered weeds in agriculture and reduce crop yield and quality. Eliminating the deleterious effects of weeds is the goal of weed management. Herbicides are one of the methods of weed management despite some being persistent in the soil. Herbicides such as Stellar star whose...
Download PDF ↓Dietary exposure to several heavy metals at high concentrations including Cadmium (Cd), Copper (Cu), Lead (Pb) and Zinc (Zn), have been recognized as a risk to human health. This is through the consumption of vegetables. Hence, the study aimed at determining the concentration and bioaccumulation...
Download PDF ↓Fumigation involves the use of a highly toxic pesticide which leaves behind residues that are classified as hazardous wastes. Such wastes enter our environment owing to improper disposal that pose a huge threat to public health and the environment at large. This study explored the disposal of...
Download PDF ↓Biochar is an organic residue combusted under low oxygen conditions, resulting in a porous, low-density carbon-rich material. Biochar has the potential to reduce pollutant mobility when used as an organic soil amendment. Until recently, Biochars’ potential has not been extensively evaluated for...
Download PDF ↓Environmental pollution is the introduction of contaminants into the natural environment that have the potential to cause adverse health outcomes. Open waste disposal sites are among the main causes of environmental pollution and public health hazards. In Namibia, majority of the towns, including...
Lusaka city has over 70 percent of its population residing in peri-urban areas where more than 90 percent of the residents rely on pit latrines for excreta disposal. However, no Faecal Sludge Management (FSM) systems exist to manage the faecal sludge from these facilities. This situation results...
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