December 2008
Scarcity on a Water Planet
December 2008
Recent data on the prevalence of intestinal parasites in N’Djamena, Chad Republic
This cross sectional study assessed the prevalence of intestinal protozoan and helminth infections in N’Djamena, Chad Republic, and determined the main epidemiological transmission factors of these pathogens in order to develop efficient control strategies of intestinal parasites. Four hundred and sixty two randomly selected persons, from eight quarters (administrative districts), of age less than one...
December 2008
Long term effect of municipal solid waste amendment on soil heavy metal content of sites used for periurban agriculture in Ngaoundere, Cameroon
An assessment of the impact of amendment using untreated municipal solid wastes on the trace element contents of periurban areas soils was carried out in Ngaoundere. Waste samples were collected in November and soil samples were collected in November, January, April and July. Heavy metal total concentrations in urban wastes differed significantly among sites and ranged from 0.48 to 7.64 mg/kg for Cd, 38.3 to...
December 2008
Water supply, sanitation and health risks in Douala, Cameroon
With a view to contribute to the hygiene condition and improvement in the urban zones of Cameroon, a survey was carried out in March 2007 among 1400 households with respect to the water supply, sanitation and health risks in seven quarters of spontaneous habitat of Douala town. It results from this study that the majority of participants were married (76%). The populations are supplied with of water...
December 2008
Characterization of domestic and market solid wastes at source in Lagos metropolis, Lagos, Nigeria
Waste management is an important element of environmental protection. Proper characterization of municipal solid waste is fundamental for the planning of municipal waste management services. The objectives of this study were to estimate the percentage of various components of household and market waste generated from source and also the seasonal composition of household waste. The domestic and market solid...
December 2008
Influence of intercrops on pests’ populations in upland rice (Oriza sativa L.)
We conducted a 3 x 4 factorial experiment fitted into a randomized complete block design, using three intercrops: cowpea (Vigna unguiculata L. Walp) at 0, 50,000, 100,000, 150,000 plants/ha; groundnut (Arachis hypogea L.) at 100,000, 200,000, 300,000 plants/ha; and egusi-melon (Colocynthis vulgaris L.) at 10,000, 20,000, and 30,000 plants/ha to evaluate their influence on incidence...
Advertisement
Advertisement
