Assessment of surface water quality of inland valleys for cropping in SW Nigeria

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dc.contributor.authorAboyeji, Olatunji Sunday
dc.contributor.authorOgunkoya, Olayinka
dc.date.accessioned2023-05-13T18:02:29Z
dc.date.available2023-05-13T18:02:29Z
dc.date.issued2015-07
dc.descriptionInternational journal of Appl Water Sci, Issue no:2015, Pg. (1-10).en_US
dc.description.abstractInland valley agro-ecosystems which are a category of wetlands have potential for sustainable crop production relative to uplands. A major challenge to their utilisation in the study area is their heterogeneity in hydrology, morphology, soil types and agro-economy. The study assessed the surface water quality of three typologies of the agro-ecosystems—amphitheatre-like valley-heads (Am), valley-side (VS), and low depression (LD)—for cropping. Surface water of six sites were sampled during the wet and dry seasons. The physicochemical properties and metal concentrations of the samples were analysed. Descriptive statistics and water quality indices were used to assess the suitability of the waters of the agro-ecosystems for cropping. Results showed that the valleys have neutral to slightly alkaline waters. Values of physicochemical parameters are generally within the acceptable range for cropping. The concentration of major cations varied across the inland valley types, but exhibited similar characteristics within each valley. The dominance of the major cations is in the order of Na [Ca [K[Mg. ANOVA results indicated that there is no significant difference in the concentration of heavy metals across the valleys (F=2.044, p=0.138, a=0.05). Generally, most of the physicochemical parameters and trace metals have low concentrations and are non-toxic to plants. Values of water quality indices (sodium adsorption ratio, soluble sodium percentage, total dissolved solids and permeability index) indicated that the concentrations of minerals in waters across the valley typologies are generally within permis- sible limits for cropping.en_US
dc.identifier.otherDOI 10.1007/s13201-015-0309-8
dc.identifier.urihttps://ir.oauife.edu.ng/123456789/5622
dc.language.isoenen_US
dc.publisherAppl Water Scien_US
dc.subjectInland valleyen_US
dc.subjectIrrigationen_US
dc.subjectWetlanden_US
dc.subjectWater quality indicesen_US
dc.subjectAgricultureen_US
dc.subjectFood securityen_US
dc.titleAssessment of surface water quality of inland valleys for cropping in SW Nigeriaen_US
dc.typeJournalen_US
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