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Keraita, Bernard N.Drechsel, PayKonradsen, FlemmingVreugdenhil, R.C.[Potential of simple filters to improve microbial quality of irrigation water used in urban vegetable farming in Ghana]Potential of simple filters to improve microbial quality of irrigation water used in urban vegetable farming in Ghana

Assessment was done of heavy-metal contamination and its related health risks in urban vegetable farming in Accra. Samples of irrigation water (n=120), soil (n=144) and five different kinds of vegetable (n=240) were collected and analyzed for copper, zinc, lead, cadmium, chromium, nickel and coba...


Lente, I.Keraita, Bernard N.Drechsel, PayOfosu-Anim, J.Brimah, A. K.[Risk assessment of heavy-metal contamination on vegetables grown in long-term wastewater irrigated urban farming sites in Accra, Ghana.]Risk assessment of heavy-metal contamination on vegetables grown in long-term wastewater irrigated urban farming sites in Accra, Ghana.

This paper describes the pelletization process of fecal sludge-based fertilizers. The equipment used for the process was fabricated locally in Ghana. Each fertilizer product was individually used for the production of cylindrical pellets. From the current study, the binding material type (cassava...


Nikiema, J.Cofie, Olufunke O.Impraim, R.Drechsel, Pay[Fortified excreta pellets for agriculture.]Fortified excreta pellets for agriculture.
Otoo, M.Ryan, J. E. H.Drechsel, Pay[Where there's muck there's money: reinventing the economics of sanitation.]Where there's muck there's money: reinventing the economics of sanitation.
Evans, A.Hanjra, Munir A.Jiang, Y.Qadir, ManzoorDrechsel, Pay[Water pollution in Asia: the urgent need for prevention and monitoring.]Water pollution in Asia: the urgent need for prevention and monitoring.

The uncontrolled release of sewage, industrial wastes, and agricultural run-off continue to affect Asia. Although many Asian countries are getting closer to meeting the improved sanitation targets, much of the waste remains untreated. Comprehensive databases are rarely available and national data...


Evans, A.Hanjra, Munir A.Jiang, Y.Qadir, ManzoorDrechsel, Pay[Water quality: assessment of the current situation in Asia.]Water quality: assessment of the current situation in Asia.
Keraita, Bernard N.Drechsel, Pay[Implementing non-conventional options for safe water reuse in agriculture in resource poor environments.]Implementing non-conventional options for safe water reuse in agriculture in resource poor environments.
Drechsel, PayOtoo, MiriamPaul, Johannes G.[Resource recovery from waste for agriculture, landscaping and aquaculture]Resource recovery from waste for agriculture, landscaping and aquaculture
Semasinghe, ChristinaBenders, JorienVairavamoorthy, VisakanFernando, SudarshanaDrechsel, Pay[Vulnerability and resilience of the urban food system to extreme weather: a case study of Colombo, Sri Lanka [Abstract only].]Vulnerability and resilience of the urban food system to extreme weather: a case study of Colombo, Sri Lanka [Abstract only].

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