Theses & Dissertations Open Access Effects of the increase of supermarkets on vegetable supply systems of small-scale farmers in Kenya Ismail Mohamed Ismail Maryoud Supermarkets are expanding rapidly in Africa and particularly in Kenya. As they consolidate and increase their market share, they may be large enough to exert market power and may have both negative and positive impacts on the suppliers an… RUF-35370 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of rainwater harvesting techniques in Yatta district, Kenya Ibrahim Ahmed Ibrahim Abdelfadeel Climate change and/or variability are expected to affect water availability as well as the techniques of water harvesting. The main objective of this study was to investigate factors affecting adoption of rainwater harvesting techniques in… RUF-35369 2012 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Assessing success factors of partnership building and rural institutions development amongst smallholder systems in East Africa Verrah Akinyi Otiende The nature and form of collective action varies. It is contextually specific and may change over time. It arises when individuals jointly tackle constraints, make decisions and achieve outcomes with mutual benefit. Strong and vibrant small… RUF-35364 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Principal Component and Multiple Correspondence Analyses in Dimensionality Reduction: A Study on Aflatoxin Contamination of Peanuts in Kenya Henry Henry Mokua Momanyi In a study about the factors that contributed to the risk of aflatoxin contamination of peanuts in the Peanut CRSP project in Kenya, contingency table analysis (Pearson’s chi-square) was used to analyze a large mixed data set from a survey… RUF-35363 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Utilization of multi-locational pigeonpea performance data for determination of stability parameters Samuel Murachia Kamau Multi-locational data on medium duration pigeonpea varieties in Eastern and Southern Africa was analyzed for genotype performance. The objective was to utilize multi-locational data to identify superior genotypes. The study also aimed at r… RUF-35361 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Socio-economic analysis of dairy feed technologies promoted in the Kenyan highlands Gregory Ndwandwa Sikumba The cost of feed is one of the major constraints to dairy cattle production in sub-Saharan Africa. East Africa dairy development project is promoting several feed technologies for dairy cattle in order to reduce costs and increase milk pro… RUF-35357 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Survival analysis and generalized estimating equations for repeated measures in mosquito dose-response Gabriel Otieno Okello Dose-response studies in arthropod research usually involve observing and collecting successive information at different times on the same group of organisms (insects) exposed to different concentrations of stimulus such as botanical extra… RUF-35355 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Using community health workers to access the effectiveness of the community health strategy in kibera, lang'ata district using two statistical models Esther Nthambi Nthuku About 70% of child deaths in the community occur at home caused by preventable or easily curable diseases like malaria, diarrhea and malnutrition. The government of Kenya came up with a plan referred to as Community Health Strategy in 2006… RUF-35354 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Modelling spatial non-stationarity of Oreochromis karongae in South-East Arm of Lake Malawi Patrick Jeremy Likongwe Fisheries researchers are faced with the challenging task of studying complex patterns and processes in aquatic resources. Analysis of such patterns is mostly performedundertheassumptionthatecologicalrelationshipsdonotvarywithin management… RUF-35352 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Geospatial Analysis Of Cassava Commercialisation In Tanzania Elton Eric Chikondi Mgalamadzi Promoting cassava production and solving challenges that are associated with cassava processing and commercialisation has been a priority for government and non-governmental organisations in Tanzania. However, the commercialisation process… RUF-35350 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Morphological characteristics, growth and yield of elite grain and leaf Amaranth in Northern Tanzania Omary Ijumaa Mbwambo Amaranth is considered one of the most commonly produced and consumed indigenous vegetables on the African continent. In Tanzania amaranth constitutes about 6% of total hectares of vegetable planted annually. The genus consists of nearly 6… RUF-35348 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Ethno medicinal products used in banana production, management practices, farmers’ perception and efficacy in Masaka and Mpigi districts, Uganda Godfrey Vianney Bwogi Banana failure among smallholder farmers resulting from high incidence of banana weevils and other pests and diseases has resulted into a poverty trap for farmers, food insecurity and reduced economic growth among the banana producing comm… RUF-35347 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Influence of trees on soil characteristics and maize productivity in small holder farms of western Kenya Noella Andenyi Ekhuya Maize production in Kenya has been decreasing with time, especially in Western Kenya which is one of the main belts of maize production. This is due to low purchasing power for inorganic fertilizers by resource poor farmers. Use of local i… RUF-35344 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Log Ratio Methodology for Analysis of Compositional Data: A case of Olfactometer Bioassay Data from Insect Behavioural Studies Anthony Raymond Epel Researchers are often times confronted with compositional data in insect choice studies. The choice of a statistical method to model this type of data is always not obvious. In this study, three approaches for analysis of compositional dat… RUF-35342 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Adoption of Kilimo Kwanza Policy by Smallholder Citrus Farmers in Muheza District, Tanga Region Mzamiru Saidi Smallholder farmers in the citrus sub-sector of Tanzania particularly in Tanga Region are adversely faced by many challenges compared to other groups of farmers. Poor farming practices, poor post harvest management skills, low quality of p… RUF-35341 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Critical shoot Nitrogen curve for potato varieties Asante and Tigoni in Kenya Mugo James Njeru Potato is a major crop in Kenya with its production area increasing as a result of people opting for potatoes than other crops. The production is however lower than what is expected due to several challenges, among them being low fertility… RUF-35338 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Multinomial Logit Model Application: Usage In Beef Market Choice Analysis In Kampala, Uganda Fred Alinda Beef markets in Uganda comprises of supermarkets, abattoirs and butcheries with the latter constituting the biggest share in beef supply and demand. Each market alternative can be identified with distinct attributes of beef quality. Distin… RUF-35337 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of physiological and agronomic responses as screening techniques for yield and water stress tolerance in wheat Cultivars In Tigray, Ethiopia Mohammed Mebrahtu Mossa Water stress is one of the major environmental factors that inhibits metabolic processes and constrains plant growth and crop productivity in the majority of agricultural fields. Wheat is generally grown on arid-agricultural fields and wat… RUF-35334 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access To evaluate the effect of research methodologies on the proposal work plans, budget and completion time (A case study of JKUAT research funded projects) Wanzala Richard Wamalwa This study evaluated to what extent research methodologies influence proposal work plan, budget and completion time. The study involved a sample size of twenty randomly selected proposals out of a total of 52 on-going research projects. Da… RUF-35333 2011 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of data capture methods used in plant health clinics in Kenya Linda Amondi Ohulo Plant clinics, which are context and situation specific compared to the existing extension approach in the Ministry of Agriculture (MoA), can deliver advice to farmers at the point of demand to reduce crop losses to pests. They can also ad… RUF-35331 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Profit efficiency of dairy farmers in Kenya: a case study of smallholder farmers in the rift valley and central province Leone Iga Mawa Kenya‟s dairy industry is among the best in the Sub-Sahara Africa. The dairy industry is an important source of household livelihood among the smallholder families. There is immense pressure on land due to the increasing population. The re… RUF-35328 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Provision of research methods support for neglected tropical diseases’ research projects at eastern and southern African centre of international parasite control, Kenya medical research institute, Nairobi Paul Murima Ng’ang’a The availability of a large variety of elementary and complex statistical methods and the quick pace of change and development in statistics makes most researchers' statistical knowledge insufficient for them to be independent. It is unrea… RUF-35327 2011 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Use of data quality assessment to evaluate the level of HIV data completeness in Ministry of Health facilities: a case study of Eastern province-Kenya Kirimi Peter Mutugi Human Immunodeficiency Virus (HIV) and Acquired Immune Deficiency Syndrome data feedback and decision making is enhanced by data quality assessments which are done using well designed tools and methods. HIV data quality is useful in HIV pr… RUF-35325 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Estimating the survival of patients with cancer of the cervix at Kenyatta National Hospital in Nairobi, Kenya Khaemba Emma Nelima Cervical cancer ranks as the second most frequent cancer among women globally. The majority of patients present in advanced disease stages, leading to high mortality rates. Information on the survival of cervical cancer patients in Kenya w… RUF-35321 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Improving Research Methods On Bean Breeding At Burundi Agronomic Sciences Research Institute Ntukamazina Nepomuscene In Burundi, agricultural sector faces several constraints among them climate variability, increasing population density, pests and diseases and soil degradation. These factors lead to very low (and declining) levels of agricultural product… RUF-35318 2011 CC BY 4.0 18 Sep 2015