Working Document Series Open Access Sediments and nutrients hotspot areas dynamics in selected micro-catchments of the Lake Tanganyika basin in Democratic Republic of Congo E. Azanga · F. Kansiime · J.G.M. Majaliwa This study aims at mapping changes in landuse in the Lake Tanganyika micro-catchments in the Democratic Republic of Congo. It also aimed at assessing the level of pollution of L. Tanganyika resulting from offloaded material and nutrients f… RUF-34566 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Evaluation of the soil fertility status in relation to crop nutritive quality in the selected physiographic units of Mbeya Region, Tanzania N. Amuri · J.M. Anthony · L. Mhoro · B.M. Msanya +1 more This study is assessing soil fertility status in Mbeya region of Tanzania in terms of adequacy for crop growth and crop nutrient status in terms of human nutrition. It will examine levels of macro and micronutrient. The study has just been… RUF-34565 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Participatory development, testing and validation of concepts and technologies for site-specific detection and control of plant parasitic nematodes infecting tomatoes in Mwea, Kenya J.K. Birgen · V. Gathaara · F.W. Kariuki · G.M. Kariuki Tomato production in Kenya has been a lucrative business for smallholder farmers who cannot afford huge capital to invest in other cash crops. It is a major source of household incomes and has created employment that has resulted in improv… RUF-34557 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access The reaction of maize genotypes to maize streak virus disease in central Uganda B. Bua · B. M. Chelimo Documented evidence indicates that maize is production is constrained by a number of a biotic and biotic stresses including Maize streak virus disease (MSVD). Therefore, a study was conducted to assess the reaction of 3 maize genotypes to … RUF-34550 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access The link between seasonal climatic variability and poverty: A case study of pastoral and agro-pastoral communities in Baringo District, Kenya D.M. Nyariki · V.O. Wasonga · A.M. Yazan Elhadi Poverty remains rampant in the dry districts of Kenya so that it has now become an important item on Kenya’s development agenda. The dry districts of Kenya receive low amounts of rainfall, which is also erratic. These regions are predomina… RUF-34545 2010 CC BY 4.0 27 Aug 2015
Working Document Series Open Access Impact of landuse change on soil carbon stocks and livelihoods of communities on Mt. Elgon region, Uganda S. Balaba Tumwebaze · M. Buyinza · C. M. Nantumbwe · M. M. Tenywa There is inadequate knowledge on the form of soil organic carbon (SOC) pools and fluxes that are affected by land use change. Hence, there is a need to understand how soil organic carbon is affected by land use change and how these impacts… RUF-34544 2010 CC BY 4.0 26 Aug 2015
Working Document Series Open Access Modelling the potential impact of climate change on sorghum and cowpea production in semi-arid areas of Kenya using the agricultural production systems simulator (APSIM) J.M. Githinji · G. Kironchi · J. P. Mbuvi · R.N. Onwonga Managing crop production risks associated with inter-annual climate variability and climate change has received insignificant attention in the semi-arid areas of Kenya. Against this backdrop, the potential impact of climate change on sorgh… RUF-34537 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Carbon stock trends in selected agro ecological zones of Uganda E. Adipala · P. Isubikalu · J.G.M. Majaliwa · P. Mukwaya +1 more This study determined the trend in carbon densities and stocks from major land uses/covers of semi arid and sub humid areas of Uganda. Carbon densities were estimated from soils and woody biomass pools of the major homogenous units in term… RUF-34525 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Climate change adaptation strategies among agricultural communities in Uganda: The case of Kabale and Nakasongla districts P. Isubikalu · J.G.M. Majaliwa · R.L. Mwerera Climate change affects the ability of developing countries to achieve their poverty reduction and sustainable development strategies. Uganda was labeled among the most vulnerable countries to climate change risks. Rural farmers who depend … RUF-34511 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Vulnerability to drought, adaptation and coping strategies among agro-pastoral communities in Botswana Kabo Mogotsi · M.M. Nyangito · D.M. Nyariki With the increased threat of climate change effects on the African continent, this study was carried out to document the coping mechanisms against the rampant droughts by the agropastoral communities in Botswana. The study was carried out … RUF-34479 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Inheritance of resistance to rice yellow mottle virus disease in selected rice cultivars in Uganda G. Asea · R. Edema · J. Lamo · M.L. Mogga Rice yellow mottle sobemovirus (RYMV) has been identified as the most destructive viral disease in lowland and upland rice. In this study, the mode of inheritance of resistance to a prevalent RYMV strain in Uganda was determined for five r… RUF-34477 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Sustainable crop production using hairy vetch (Vicia villosa Roth) to enrich soil fertility and conserve soil moisture for maize cropping in smallholder farming systems in Zimbabwe D. Chinamo · F Mapanda · M. Munyati · G. Nyamadzawo +2 more Crop production in smallholder farming systems of Zimbabwe is limited by low inherent soil fertility, particularly N and P and available soil moisture. One of the major agricultural challenges in developing countries is the development of … RUF-34466 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Yield response of different local and hybrid rice varieties to different ponding depths of water N. I. Kihupi · E. Mabvuto Nyirenda · A.K.P.R. Tarimo The combined increase in demand for food and scarcity of water worldwide necessitates saving water and increasing its productivity. This study determined varietal performance of four paddy cultivars - TXD306, TXD220, TXD88 and SUPA in term… RUF-34440 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Agronomic performance of potato population B3C2 genotypes in southwestern Uganda P. Gibson · R. Kakuhenzire · T. Ndacyayisenga · G. Tusiime Thirteen potato genotypes known as population B3C2 were evaluated for yield and resistance to late blight. Assessment of late blight severity started at the onset of the disease symptoms; disease severity rating was based on visual symptom… RUF-34431 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Conserve and screen premium value indigenous plant biodiversity and products on women smallholder farming systems of East Africa L.S.M. Akundabweni · A. Namutebi Various interventions for promoting the premium value of indigenous plants (IPs) are being adopted to enhance their status in the food sub sector. The project aims to enhance women smallholder farmers’ capacity in target Lake Victoria Basi… RUF-34426 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Linkages between crop residues, termite prevalence, crop lodging and subsequent crop yield under conservation agriculture in Zimbabwe E. F. Mutsamba · I. Nyagumbo Farmers believe that addition of residues to fields in conservation agriculture (CA) attract termites hence increase lodging, although they are beliefs that termites prefer feeding on dry matter and leave the crop. This study carried out i… RUF-34415 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access The effect of timing of earthing up on the performance of four Bambara groundnut landrace cultivars in the Mutasa District of Manicaland Province in Zimbabwe Z.A. Chiteka · S. Mhungu An experiment was carried out at two sites to investigate the effect of timing of earthing up on the yield of four landrace cultivars of Bambara groundut (Vigna subterranean [L.] Verdc.) cultivars in Zimbabwe during the 2006/2007 season. T… RUF-34411 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Analysis of multipurpose uses and management of Zizphus spina-christi (L.) desf. in semi-arid Ethiopia: Implications for food security Feyssa Debela Hunde · J.T. Njoka · M.M. Nyangito · Asfaw Zemede Quantitative ethnobotanical study of Ziziphus spina-christi was undertaken in six areas of east Shewa, Ethiopia. Both structured questionnaire and focus-group interviews were conducted with about 200 households. Arable land cultivation, an… RUF-34380 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Participatory management of Striga in cereal-based cropping systems in eastern Uganda J. Bisikwa · I. Kapting · M. B. Karuhanga · M. Otim +2 more Striga hermonthica is a parasitic weed that infects cereal crops often causing 30-100% crop losses on farmers’ fields. Past research has developed several effective Striga control strategies, most of which have not been adopted by farmers,… RUF-34365 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Assessment of groundnut yield loss due to the groundnut leaf miner, Aproaerema modicella infestation in Mozambique M. Botao · D. Cugala · L. Santos · A. Sidumo +1 more The groundnut leaf miner, Aproaerema modicella Deventer (Lepidoptera: Gelechiidae), is an invasive alien Asian species in Mozambique. A. modicella was reported for the first time in 1998 in Uganda. In Mozambique, Groundnut leaf miner was f… RUF-34364 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Distribution and potential invasion of Opuntia spp. on selected Namibian sites L.R. Brown · P.J. Du Preez · I.U. Kavirindi The distribution, density and size attributes of an alien invasive species, Opuntia spp., were assessed on each of north, west, south and eastern communal and commercial farming sites in Namibia. A chemical control trial on this species wa… RUF-34363 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access The effects of water stress on yield and water productivity of two newly released wheat varieties H. Sirelkhatim Ahmed · A. Amel Ali This experiment was conducted under Gezira condition,Wad Medani, latitude 14º 242 N, longitude 33º 292 E and with an elevation of 405 m above the sea level, during season (2008/2009). A split plot design with four replications and nine irr… RUF-34350 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Assessment of the fruit fly, Batrocera invadens, pest status and the establishment of the parasitoid, Fopius arisanus in Mozambique G. Albano · D. Cugala · L. Santos Asian fruit flies in the genus Bactrocera (Diptera: Tephritidae) are regarded as some of the most destructive pests of fruits and vegetables worldwide and rank high on quarantine lists worldwide. Losses result from direct feeding damage, d… RUF-34342 2010 CC BY 4.0 20 Aug 2015
Policy Briefs Open Access Research briefs for the Third Graduate Research Grants Call RUF-34332 2015 CC BY 4.0 18 Aug 2015
Working Document Series Open Access A ‘Trojan Horse’ approach to change: The case of GO4IT1 Willem Heemskerk · Washington Ochola · Mariana Wongtschowski Go4IT was based on the realisation that universities in Africa could improve their student training programmes, to bring change to these countries’ rural realities. To do this, the universities needed to improve the quality and content of … RUF-34317 2014 CC BY 4.0 17 Aug 2015