Descubre y comparte nuestro conocimiento público

Se han encontrado 73 recursos

Resultados de búsqueda

This study was done in four rural communities in Ghana to assess uptake of household latrines. A total of 156 household interviews, 16 focus group discussions and 8 in-depth interviews with key informants were conducted. Study findings show that only 8.5% of households were using improved sanitat...


Keraita, Bernard N.Jensen, P.K.Konradsen, FlemmingAkple, Maxwell Selase KwasiRheinlander, T.[Accelerating uptake of household latrines in rural communities in the Volta Region of Ghana]Accelerating uptake of household latrines in rural communities in the Volta Region of Ghana

With increasing change of traditional diets, and the emergence of new supply and marketing chains, urban food consumers in low-income countries are faced with multiple food safety challenges, among which microbial contamination and pesticides are key concerns for fruits and vegetables sold on urb...


Keraita, Bernard N.Drechsel, Pay[Consumer perceptions of fruit and vegetable quality: certification and other options for safeguarding public health in West Africa]Consumer perceptions of fruit and vegetable quality: certification and other options for safeguarding public health in West Africa

With competition stiff for high quality fresh water for domestic and industrial users, the use of wastewater for agriculture can release better quality water for these other sectors. Wastewater unquestionably contains valuable nutrients, but poses...


Keraita, Bernard N.[No water to waste, not even wastewater]No water to waste, not even 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

Water from wastewater-polluted streams and dug-outs is the most commonly used water source for irrigation in urban farming in Ghana, but helminth parasite eggs in the water represent health risks when used for crop production. Conventional water treatment is expensive, requires advanced technolog...


Sengupta, M.E.Keraita, Bernard N.Olsen, A.Boateng, Osei K.Thamsborg, S.M.Palsdottir, G.R.Dalsgaard, A.[Use of Moringa oleifera seed extracts to reduce helminth egg numbers and turbidity in irrigation water]Use of Moringa oleifera seed extracts to reduce helminth egg numbers and turbidity in irrigation water

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 an...


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

L’eau douce de bonne qualité pour les usages domestiques et industriels fait l’objet d’une dure compétition. Dans ce contexte, l’utilisation des eaux usées pour l’agriculture permettrait de réserver les eaux de meilleure qualité


Keraita, Bernard N.[Oser les eaux usées?]Oser les eaux usées?
Drechsel, PayKeraita, Bernard N.Cofie, Olufunke O.Nikiema, Josiane[Productive and safe use of urban organic wastes and wastewater in urban food production systems in low-income counties]Productive and safe use of urban organic wastes and wastewater in urban food production systems in low-income counties
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

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso