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Overview of water and soil nutrient management under smallholder rain-fed agriculture in East Africa. AgEcon
Mati, Bancy Mbura.
Tipo: Working or Discussion Paper Palavras-chave: Soil conservation; Water conservation; Water harvesting; Terraces; Tillage; Ridging; Cropping systems; Bunds; Sugarcane; Spate irrigation; Pitcher irrigation; Water storage; Soil fertility; Fertilizers; Non-governmental organizations; Farmers’ associations; Agroforestry; Agricultural extension; Agricultural and Food Policy; Agricultural Finance; Crop Production/Industries; Industrial Organization; Resource /Energy Economics and Policy.
Ano: 2005 URL: http://purl.umn.edu/92406
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Modelling the effects of leafing phenology on growth and water use by selected agroforestry tree species in semi-arid Kenya AgEcon
Muthuri, C.W.; Ong, C.K.; Black, C.R.; Mati, Bancy Mbura; Ngumi, V.W.; van Noordwijk, Meine.
The WaNuLCAS (Water, Nutrient and Light Capture in Agroforestry Systems) model was used to investigate the impact of tree leafing phenology on the growth and water use of selected agroforestry tree species in semi-arid Central Kenya. Three agroforestry species, grevillea (Grevillea robusta), alnus (Alnus acuminate) and paulownia (Paulownia fortunei), respectively providing evergreen, semi-deciduous and deciduous leafing phenologies, were intercropped with maize. It was hypothesized that the deciduous habit of alnus and paulownia would reduce demand for water relative to the evergreen grevillea under conditions of limited supplies. WaNuLCAS simulations showed that altering leafing phenology from evergreen through semi-deciduous to deciduous decreased water...
Tipo: Journal Article Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2004 URL: http://purl.umn.edu/47874
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