Working Document Series Open Access Development of least cost formulated feed for Tilapia rendalli in tank based grow- out culture system J. Kang’ombe · T. Soko An experiment was conducted at Bunda fish farm from November 2009 to February 2010. Juveniles of Tillapia rendalli of average weight 9.5 ± SD 0.5g were stocked in outdoor concrete tanks and fed on diets of different plant protein sources f… RUF-35086 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of agricultural commercial products (microbial and non microbial) in relation to maize and soybean yields in western Kenya M. Mburu · J.R. Okalebo · C.O. Othieno This study was undertaken to assess the effect of different inoculants on nodule formation and legume yield. On farm experiments were carried out in Bungoma district of western Kenya with treatments arranged in RCBD design with single repl… RUF-35080 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 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 Integrating indigenous and scientific soil quality indicators for improved crop production F. Bagoora · M. B. Karuhanga · M. M. Tenywa · J. S. Tumuhairwe Research has improved understanding of technical indicators of soil quality (TISQ) and their assessment criteria. Yet knowledge on farmer-perceived indicators of soil quality remains limited. The study intends to establish and validate ind… RUF-35046 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Soil properties effects and management of organic residues to improve C sequestration, reduce N losses and improve crop yields B.O. Danga · Z. Getenga · B. Mochoge · J. Mugwe Rates of decomposition of organic materials in soil determine the amount of carbon (C) which is mineralized and released as CO2 versus the amount of C that is retained in various forms in the soil. Decomposition rates also greatly influenc… RUF-35037 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Economic viability of biogas energy production from family-sized digesters in Uganda D. Lars · J. Mugisha · P. N. Walekhwa Biogas energy is being evaluated to augment traditional energy sources in Uganda. However, its development remains rudimentary partly because of the lack of information regarding its economic viability. Based on primary data on households … RUF-35016 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Utilization of woody plants as food in times of food scarcity in selected dryland areas of Iringa district, Tanzania V. E. Tairo Iringa District in Tanzania is a semi-arid area that is prone to frequent crop failures. Food insecurity is widespread and often the communities use woody plants as alternative source of livelihood. Although the use of woody plants as food… RUF-35006 2010 CC BY 4.0 15 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 Unveiling opportunities of farming trees in Malawi: Economic impact of integrating trees on smallholder agriculture F. Mzotah Thapasila Gondwe The aim of this research is to raise and provide empirical evidence for promoting tree farming in Malawi. It addresses questions such as: Is tree farming a viable system for smallscale farmers in Malawi? Trees have multiple products for su… RUF-34860 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Economic efficiency of mango-based agroforestry systems for improved livelihoods in Buzaya county, Kamuli district M. Bukenya · M. Buyinza · P. Byakagaba · M. Nabalegwa This study analyzed the economic efficiency of mango (Mangifera indica) growers in Buzaya country, Kamuli District, Uganda. It estimated the existing scales of mango growers, their relative resource-use efficiency, the relative profitabili… RUF-34837 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Producer and consumer preferences for maize and sorghum quality characteristics in Uganda R. Ajambo · B. Bashaasha · G. Elepu · P. Okori Maize and sorghum are important staple food crops in Uganda and are emerging cash crops. Despite release of several improved varieties of maize and sorghum, adoption rates among farmers remain low. This is due to breeding programmes ignori… RUF-34809 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Production of disease-free papaya planting materials of known sex for commercial fruit production A.W. Kihurani · M. Mwaniki · M.M. Waiganjo · F.K.R. Wanzala Papaya (Carica papaya L.) is a medium sized fruit crop with a potential to produce fruits throughout the year. The ripe fruits, which are very rich in vitamins A and C, are popularly used for dessert or processed into jam or wine. Due to i… RUF-34756 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Influence of seed bed preparation on morphometric characteristics of Eragrostis superba, Cenchrus ciliaris and Enteropogon macrostachyus in southeastern drylands of Kenya W.N. Ekaya · D.M. Nyariki · F. E. O. Omondi This study compared over a 6-month period effects of tractorploughing and hand-clearing seedbed preparation on morphometric characteristics of three arid and semi-arid grass species, namely; Eragrostis superba Peyr, Cenchrus ciliaris L and… RUF-34755 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of pruning on yield and quality of selected indeterminate tomato lines C. Mbonihankuye In this study, we investigated the effect of prunning intensity on tomato fruit yield of five introductions and one variety. Tomato line significantly affected all tomato yield components in addition to marketable and non-marketable yield.… RUF-34744 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Banana farming in Kenya: Options for rejuvenating productivity J. Mbaka · Maina Mwangi Bananas constitute an important component of farm enterprises in the mid altitudes of central and eastern provinces of Kenya. In recent years the crop has steadily gained importance over traditional cash crops, e.g. coffee, and various sho… RUF-34742 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of different types of organic fertilizers on growth, quality and yield of tomatoes in sandy soil M. I. Khalid Hamden This study was conducted in Bara locality during the period 2009-2010 to assess the impact of using different types of organic fertilizers on tomato yield growing in a sandy soil. Five treatments were compared, i.e., compost, fresh chicken… RUF-34738 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of fecal manure from cattle fed Calliandra, Gliricidia and Luecaena browse/maize silages on soil productivity F. B. Bareeba · H. Kato · E. N. Sabiiti Browses have tannins and lignin which bind protein N and fiber and could subsequently affect release of manure nutrients in the soil when fed to animals. In this experiment, which was a pot experiment, cattle fecal manure from browse/maize… RUF-34733 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Preferred banana varieties and their seed systems in Eastern and Central provinces of Kenya N. Gitonga · M.R. Kasyoka · N. Kori · J. Mbaka +2 more Banana is an important crop for food security in Kenya. Its production has been hindered by scarcity of seedlings and pests, among other factors. A recent survey in eastern and central Kenya showed that desert varieties are prefered due to… RUF-34724 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Growth and physiological changes of tomato as influenced by soil moisture levels J.N. Aguyoh · C. Imana · A. Opiyo Tomato (Lycopersicon esculentum Mill.), as in most fruit vegetables, is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental factors (abiotic). Water management is a key factor tha… RUF-34720 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Optimization of biodiesel production from Jatropha curcas in Kenya T. Cheptoo · E. Kenya · J. Onchieku The non-edible vegetable oil from Jatropha curcas has been found to be a viable source for producing biodiesel. Biodiesel production from different accessions of Jatropha curcas will be compared in order to determine the highest yielding a… RUF-34711 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Test of AquaCrop model in simulating biomass and yield of water deficient and irrigated barley Kebede Afewerk · Alemie Araya With the current water shortage in Eastern Africa, improving crop water use is vital especially in the arid and semi-arid regions of Ethiopia. To understand the response of barley (Hordeum vulgare) to water and to simulate the biomass and … RUF-34709 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Integrated soil fertility management in South Kivu province, Democratic Republic of Congo B.J. Bashagaluke · R.D Birindwa · L.N. Cizungu · M.J. Walangululu This paper describes a collaborative research involving South Kivu province in Democratic Republic of Congo, Rwanda and Burundi to disseminate resilient agro-ecosystem packages. Modifying crop arrangement by planting legumes within and bet… RUF-34705 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of soil copper accumulation on proliferation and survival of rhizobia G.P. Msumali · H. Tindwa Two strains of the fast-growing bean rhizobia- PV1 and PV2 and two others of the slow-growing cowpea and soybean bradyrhizobia- CP1 and GM8 respectively, were used to test their in vitro proliferation and in vivo survival. Known amounts of… RUF-34704 2010 CC BY 4.0 10 Sep 2015
Theses & Dissertations Open Access Effects of phosphorus deficiency on secondary metabolites and distribution of African nightshade in Siaya and Kisii counties, Kenya J. Ogembo Oyaro African Indigenous Vegetables form an integral part of the Kenyan diets, among the most commonly consumed being the African nightshade. These vegetables contain important phenolics that have medicinal values and good health attributes. The… RUF-34701 2015 CC BY 4.0 10 Sep 2015
