Biogasdigesters take organic material such as animal dung into an air-tight tank,where bacteria break down the material and release biogas – a mixture of mainlymethane with some carbon dioxide....
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Research on utilization of crop residue for soil fertilityimprovement or as livestock feed is not new even though past efforts haveconcentrated mainly on independent and isolated use of crop residues without anintegrated approach. Despite these...
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In Sub-Saharan Africa, rangelands cover 494.2million hectares. This vast area is characterised by harsh conditions with lowand erratic rainfall. Historically, these rangelands have had diverse plan...
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Although Eastern and Central African (ECA) countries depend largely on agriculture as a main source of livelihood for 80% of the population and 38% of the GDP (ASARECA, 2009), land degradation and soil fertility depletion grossly limi...
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Traditionally common beans (Phaseolus vulgaris L.) are of great importance for household food and nutrition security, both for the rural and urban populations. Beans are high in antioxidants, fib...
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Sorghum (Sorghum bicolor) is a key staple crop in semi-aridenvironments which plays a key role in alleviating hunger, ensuring foodsecurity and creating a surplus for sale, thus increasing rural househ...
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