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    Farmer perceived soil fertility improving tree species, their litter and under-canopy-soil characteristics in livestock farms in Bushenyi District, Uganda.

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    Katakari-CAES-Masters-Abstract.pdf (73.63Kb)
    Date
    2011-03
    Author
    Katakari, Muzoora Albert
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    Abstract
    In many Sub-Saharan Africa countries, including Uganda there is declining soil fertility and limited on-farm use of inorganic fertilizers due to poverty and limited subsidies. Thus, integration of soil fertility improving tree species (SFITs) in farming systems remains a plausible option to sustaining soil productivity. However, knowledge of the effects of many of the locally growing-farmer perceived soil fertility enhancing tree species on to soil chemical and nutrient contents are still lacking. This has constrained decisions on their adoption and up scaling . The objectives of this study were to: identify farmers’ preferred soil fertility improving tree species in agro-pastoral communities of Kyeizooba sub-county in Bushenyi district and characterise their litter content and assess their effect on selected soil chemical properties. Semi structured questionnaires were administered to 333 randomly selected agro-pastoral farmers. Litter and soils under canopy were sampled from three different environments: -Under canopy radius (A)- Canopy edge (B)- Open pasture land up to thrice the canopy radius (C). Results revealed Eucalyptus as the most common tree species on livestock farms, followed by Erythrina abyssinica. The highest litter content was recorded for Markhamia lutea (240 g/cm2 under its canopy) followed by Croton macrostachyus (90g/cm2) and 19 g/cm2 Erythrina abyssinica. Nitrogen was higher (p = 0.02) in Erythrina abyssinica litter, K and Carbon in Croton macrostachyus litter (p = 0.03). These results give evidence that soil improvers Erythrina abyssinica, Croton macrostachyus and Markhamia lutea may positively affect soil fertility. Farmers’ indigenous knowledge and or valuation of important tree species can be relied on and there is need to improve their indigenous knowledge in tree species identification for promotion in farming systems. Key words; Farmers, Leaf litter, Livestock farms, Soil fertility, Soil improvers, Tree species, Uganda
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    http://hdl.handle.net/10570/3906
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    • School of Forestry, Environmental and Geographical Sciences (SFEGS) Collections

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