Working Document Series Open Access Development, promotion and dissemination of improved Fusarium wilt resistant pigeon pea lines in drought prone areas of Uganda T. Areke · R. Edema · C. Mukankusi · N. S. Said Pigeon Pea (Cajanus cajan) remains a relatively untapped food legume crop in Uganda and in many parts of Africa mainly due to lack of promotion and availability of varieties that meet producer and consumers needs. The crop is a rich source… RUF-35110 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation of the performance of Centre Pivot Sprinkler irrigation system and its effects on crop yield at Kagera, Tanzania E. Ernest · H. Mahoo · P. M. Reuben · S. Y. Thadei The study evaluated the performance of the centre pivot sprinkler irrigation system and its effects on sugar cane yield at Kagera Sugar Estate. The study also examined soil parameters that influence cane yield and the quality of irrigation… RUF-35105 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluating the effects of conservation agriculture and related technologies on soil biodiversity, crop and labour productivity in semi-arid Zimbabwe L. Mhaka · E. N. Mutsamba · I. Nyagumbo This on-going study is examining the linkage between termite prevalence and residue amount under conservation agriculture in Zimbabwe. Preliminary results show that convectional ploughing had lowest termite abundance while tied ridging inc… RUF-35098 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Hatchery system evaluation and adaptation for the production of Oreochromis karongae (Trewavas, 1941) fingerlings D. Kassam · J.S. Likongwe · George Matiya · J.S. Valeta In Malawi development of aquaculture is constrained by, among other factors, lack of good quality seed. Through Research into Use (RiU) the Government of Malawi has mandated a few fish hatcheries, of which the most prominent is the Commerc… RUF-35091 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of integrated water and nutrient management technologies on crop and labour productivity in Zimbabwe L. Mhaka · I. Nyagumbo Poor soils, erratic rainfall, frequent dry spells have been cited as the major threats to the development agricultural in Southern Africa. This experiment was designed to evaluate the benefits derived from post planting tied ridging, conse… RUF-35088 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Nitrogen dynamics and removal by algal turf scrubber under high ammonia and organic matter loading in a recirculating aquaculture system J.S. Valeta · M.C.M. Verdegem High total ammonia nitrogen (TAN) concentrations were introduced to an Algal Turf Scrubber developed under loadings of Clarius gariepinus recirculating aquaculture system effluent to determine its potential and dynamics of TAN removal. TAN… RUF-35087 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access The effectiveness of locally made clay pots as a micro - irrigation equipment N. Kihipi · R. S. Mahatsindry · M. Tarimo This research established the water balance resulting from the clay irrigation for beans (Phaseolus vulgaris L.) and Amaranths (hypochondriacus) grown under different plant density per pot and different precedent soil moisture. Results rev… RUF-35076 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Prospects of aquaculture as a rural development intervention in eastern Uganda N. Ajangale Isyagi · A. Akol · W. Ekere · E. Netalisire Lukongi +1 more This study being conducted in eastern Uganda, is examining the potential of aquaculture as an alternative enterprise to the previously vibrant but now collapsed coffee farming. The study site is highly populated with no lakes. The study is… RUF-35073 2010 CC BY 4.0 16 Sep 2015
Journal articles Open Access Epidemiology of Epizootic Ulceration Syndrome on fish of the Zambezi river basin: A case study for Zambia W. Mfitilodze · A. Nsonga · K.L. Samui · D. Sikawa Objective: An epidemiological investigation on the fish disease Epizootic Ulcerative Syndrome (EUS) was conducted from January to December 2011 in the Zambezi River System (ZRS) of Sesheke District in the Western Province of Zambia. The st… RUF-35063 2013 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Farmer perceptions and knowledge on soil quality indicators and their use in soil fertility monitoring M. Karuhanga · S. Kiconco · J. K. Tumuhairwe Assessing soil quality is important so as to learn about the effects of management practices on soil function, create awareness and education, and provides a basis for evaluation of alternative practices. Soil quality often cannot be direc… RUF-35054 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of pond plastic sheeting on water temperature and improved growth of fish in Dowa, Malawi L. Banda · E. Kaunda · P. Longwe · M. Matsimbe +2 more Temperature is one of the limiting constraints to increasing fish production in areas where temperatures are below 25oC. In most areas in Malawi temperatures are between 14 - 24oC (www.atlapedia.com/online/countries/malawi.htm), with the e… RUF-35052 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Influence of water quality parameters on Opsaridium microlepis catches in the Linthipe River in central Malawi D. Jamu · E. Kaunda · M. Limuwa · F. Maguza-Tembo +1 more The dwindling catches of the fish Opsaridium microlepis (locally called mpasa) from the Linthipe river in Malawi is of great concern. This is especially so given that the species has disappeared from some other river systems in Malawi. One… RUF-35045 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Comparison of field and laboratory measured hydraulic properties of selected diagnostic soil horizons J. G. Chimungu · M. Hensley · L. D. Van Rensburg This study characterised the hydraulic properties of two soil types in South Africa, Bainsvlei and Tukulu using both field (instantaneous profile method) and laboratory (desorption techniques). The results showed that the two approaches we… RUF-35033 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Evaluation of water distribution systems at Igomelo Farmer-Managed Irrigation Scheme in Tanzania R. Amy Mchelle · I. Nganga · A.K.P.R. Tarimo Evaluation of water distribution systems at Igomelo irrigation scheme was conducted to assess the performance of the scheme after intervention of the Irrigation Management Transfer (IMT). The scheme was divided into three blocks: head, mid… RUF-35028 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Performance of a natural draft briquette-gas stove for domestic use H. Mulindi · S. Okwach · T. Thoruwa Biomass as a source of energy supplies close to 68% of the total energy demand in Kenya. The stoves used to burn these biomass fuels are characterized by high inefficiencies and high emissions posing environmental risks to the Kenyan fores… RUF-34979 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Feedlot performance of dorper wether lambs fed Opuntia-based diets with different nitrogen sources H.O. de Waal · J. Els · L. Schwalbach · K.L. Shiningavamwe The performance and carcass characteristics of 45 Dorper wether lambs fed Opuntia-based diets with different nitrogen (N) sources were evaluated in the feedlot. Lambs were weighed weekly to determine the ADG and slaughtered when they reach… RUF-34951 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Market access and its effect on citrus fruit production in Uganda E. Chilembwe · G. Elepu · H. Kongai · M.B. Kwapata +1 more Sustaining success in productivity-based agricultural growth depends on expansion of market opportunities. However, limited attention has been directed towards marketing strategies of Uganda’s horticultural produce which is one of the fast… RUF-34922 2010 CC BY 4.0 14 Sep 2015
Theses & Dissertations Open Access Effects of water stress on antioxidant activity and phenolic contents of African nightshades and their distribution in Kisii and Siaya counties of Kenya Peter Okello Odhiambo Drought is a major abiotic factor limiting crop productivity in many regions of the world. It causes reduction in plant growth, dry matter accumulation and decline in plant water status of the plants and in certain cases interferes with bi… RUF-34879 2015 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Assessment of changes in natural resources: A participatory approach M. W. Baaru · C.K.K. Gachene · V. Gathaara · J. P. Mbuvi +1 more This study analyzed changes in natural resources in Machakos District of Kenya using participatory approaches. The results show that natural resources have decreased since the ranch became a settlement scheme. Natural forests decreased, va… RUF-34824 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Conceptualisation and measurement challenges in modelling pastorilists’ risk and vulnerability instigated by droughts in the group ranches of Kenya K. Farah · J. Njoka · D.M. Nyariki · E. Obudho +1 more This on-going study is assessing and modeling vulnerability and risks faced by pastoral communities in the dry areas of Lakipia in Kenya. Preliminary results from participatory rural appraisal indicate that poverty is widespread and the ar… RUF-34801 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Assessment of climate change scenarios and variability in Uganda L. Aribo · E. Komutunga · J.G.M. Majaliwa · C. Nandozi +1 more Understanding how climate will change over time provides a valuable insight into how the challenges as result of climate change (CC) and variability can be responded to. The general objective of the study was to generate information to gui… RUF-34796 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Livelihoods under climate variability and change: An analysis of the adaptive capacity of rural poor to water scarcity in Kenya’s drylands S. W. Chege · W.N. Ekaya · W. N. Mnene · P. N. Mongare +3 more Rainfall, which is the main source of water in Kenya’s drylands areas, shows very high spatial and temporal variability. Crop, forage and livestock production closely follow rainfall trends thus putting livelihoods of a number of household… RUF-34792 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access An overview to climate change in North Africa: Implication for Africa M. Hussein Sulieman · M. Muna Elhag North Africa is one of the worlds most water-scarce and dry region with a high dependency on climate-sensitive agriculture and a large share of its population and economic activity in flood-prone urban coastal zones. Therefore, climate cha… RUF-34788 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Land use/land cover changes and their impact on the human-elephant conflict in Laikipia West District, Kenya Wellington Ekaya · T. W. Mumu · G. A. Olukoye Changes in land use and cover between 1973 and 2008 in Laikipia West district, Kenya was studied. The district shares a boundary with a protected wildlife area that among others has elephants. These often raid crops in addition to competin… RUF-34786 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Spatial variability in subterranean termite assemblage on grazing lands in semi-arid Nakasongola, Uganda C. Bakuneta · D. Mpairwe · S. Mugerwa · J. Nderitu +2 more Surges in termite activity and the associated destructive behavior have resulted into enormous deterioration of grazing lands in semi-arid Nakasongola in the drylands of central Uganda. Termites frequently attack and severely damage grasse… RUF-34780 2010 CC BY 4.0 11 Sep 2015
