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Drechsel, PayKeraita, Bernard N.Amoah, Philip[Safer irrigation practices for reducing vegetable contamination in urban Sub-Saharan Africa: an illustrated guide for farmers and extension officers.]Safer irrigation practices for reducing vegetable contamination in urban Sub-Saharan Africa: an illustrated guide for farmers and extension officers.

Wastewater may be defined as the combination of liquid wastes discharged from domestic households, farms, institutions, and commercial and industrial establishments eventually mixed with groundwater, surface water, and stormwater. Wastewater is increasingly receiving global attention as it is see...


Keraita, Bernard N.Drechsel, Pay[Agricultural water reuse in low-income settings: health risks and risk management strategies]Agricultural water reuse in low-income settings: health risks and risk management strategies

Like many Sub-Saharan African cities, Kumasi, in Ghana, has many farmers producing vegetables in and around the city. Often these farmers form associations and in Kumasi some of these associations have linked up to form bigger organisations that are now having an impact on the market. Osei Kwame ...


Boateng, Osei K.Keraita, Bernard N.Akple, Maxwell Selase Kwasi[Organic vegetable growers combine for market impact]Organic vegetable growers combine for market impact
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater]Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting]Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting
Keraita, Bernard N.Jiménez, B.Drechsel, Pay[Extent and implications of agricultural reuse of untreated, partly treated and diluted wastewater in developing countries]Extent and implications of agricultural reuse of untreated, partly treated and diluted wastewater in developing countries

Where rapid urbanization is outpacing urban capacities to provide sound sanitation and wastewater treatment, most water sources in city vicinity are heavily polluted. This is of great concern as many of the leafy vegetables eaten raw in the cities are produced in these areas. Following the new WH...


Drechsel, PayKeraita, Bernard N.Amoah, PhilipAbaidoo, R.C.Raschid-Sally, LiqaBahri, Akissa[Reducing health risks from wastewater use in urban and peri-urban Sub-Saharan Africa: applying the 2006 WHO guidelines]Reducing health risks from wastewater use in urban and peri-urban Sub-Saharan Africa: applying the 2006 WHO guidelines

The influence of consumption of salads on exposure to gastrointestinal diseases was assessed in urban environments in Kumasi, Ghana. Data was collected using a cross-sectional survey involving 15 salad sellers and 213 consumers and microbiological laboratory analysis of 96 samples of ready-to-eat...


Fung, J.Keraita, Bernard N.Konradsen, FlemmingMoe, C.Akple, Maxwell Selase Kwasi[Microbiological quality of urban-vended salad and its association with gastrointestinal diseases in Kumasi, Ghana]Microbiological quality of urban-vended salad and its association with gastrointestinal diseases in Kumasi, Ghana

Most irrigation water used in urban vegetable farming in Ghana is contaminated with untreated wastewater. This poses health risks to farmers and consumers. As part of a study to explore options for health risk reduction, this paper summarizes farmers' perceptions on health risks and possible risk...


Keraita, Bernard N.Drechsel, PayKonradsen, Flemming[Perceptions of farmers on health risks and risk reduction measures in wastewater-irrigated urban vegetable farming in Ghana]Perceptions of farmers on health risks and risk reduction measures in wastewater-irrigated urban vegetable farming in Ghana

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