Journal articles Open Access Impacts of Climate Variability and Change on Rainfed Sorghum and Maize: Implications for Food Security Policy in Tanzania N. Kihupi · B. Msongaleli · F.B.R. Rwehumbiza · S.D. Tumbo Concern about food security has increased because of a changing climate, which poses a great threat to food crop productivity. Climate change projections from the Coupled Model Inter-comparison Project phase 5 (CMIP5) and crop models were … RUF-35785 2015 CC BY 4.0 3 Dec 2015
Theses & Dissertations Open Access Resistance to the African and spotted stem borers in sorghum in Kenya P.W. Muturi Sorghum (Sorghum bicolor, L. Moench) is a key cereal crop to over 500 million people in semi arid tropics. Sorghum production in subsistence farming is low and ranges between 0.5– 0.8 t/ha compared to potential yields of 10 t/ha. Diseases,… RUF-35784 2013 CC BY 4.0 27 Nov 2015
Theses & Dissertations Open Access Quantitative and qualitative prediction of cattle diets and performance by analysis of fecal near infrared spectra in southeastern drylands of Kenya Joseph N. Njoroge RUF-35783 2014 CC BY 4.0 24 Nov 2015
Theses & Dissertations Open Access Bioeconomic analysis of chambo (oreochromis spp.) and kambuzi (small haplochromine spp.) fish stocks of Lake Malombe W. Singini A study to establish bioeconomic options for economic exploitation of Chambo (Oreochromis spp.) and Kambuzi (small Haplochromine cichlids) fisheries of Lake Malombe was conducted between 2010 to 2012. Three models, logistic regression, Uni… RUF-35780 2013 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Climate variability and adaptation in agro-pastoral production systems of southern Zambia O. C. Chibinga Climate variability and change which manifests itself through increase in temperature and frequent occurrence of floods and droughts is increasing agro-pastoralists vulnerability and inability to sustain their sources of livelihood, henc… RUF-35778 2012 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Indigenous knowledge and ecology of subterranean termites on grazing lands in semi-arid ecosystems of Central Uganda S. Mugerwa Development of sustainable termite management interventions in any ecosystem requires adequate knowledge of the ecological interactions between termites and other ecosystem components, diversity and composition of termite assemblages and p… RUF-35776 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Ethnopharmacology, phytochemical composition and toxicity of medicinal plants used against livestock helminths in drylands Agnes Sarah Nalule Medicinal plants are important natural resources in drylands for communities on which their livestock and other forms of livelihoods have been sustained based on traditional knowledge. However, lack of scientific basis of their biological … RUF-35775 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Impact of land use and cover change on soil quality And pasture productivity in semi-arid rangelands: the Case of Nakasongola district, Uganda E. Zziwa The impact of land use and cover change on soil quality and pasture production was investigated in the rangelands of Nakasongola District, Uganda. Landsat (TM) images of 1986 and 1990 and Landsat (ETM+) of 2000 and 2004 for Nakasongola Dis… RUF-35774 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Influence of soil fertility management on striga reproduction and grain yield of sorghum in semiarid areas of Tanzania A. Kudra Influence of soil fertility management on Striga reproduction and sorghum grain yield in semiarid areas of Tanzania. PhD thesis, Faculty of Agriculture, University of Nairobi. Witchweed (Striga), a root parasite, has become a major biologi… RUF-35773 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Effects of soil physicochemical properties and genetic characteristics on distribution of acacia senegal (L) willd. varieties in the dryland areas of Kenya E.W. Githae Acacia senegal is a dryland multipurpose tree species highly valued for gum Arabic production, agroforestry and desertification control. The aim of this study was to investigate the edaphic and genetic factors that affect distribution of t… RUF-35772 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Enhancing water use efficiency of cassava and Sorghum based cropping systems in Eastern Uganda R. Mulebeke Water flow and storage within the root zone constrains water availability and use in rain-fed crop production, especially in the dryland cropping systems, where farmers are resource-strained and are not motivated to practice soil and water… RUF-35771 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Utilization of woody plants during times of food scarcity from selected drylands of Iringa district, Tanzania V. E. Tairo Communities inhabiting marginal drylands are the most vulnerable to the impacts of drought and climate change. In order to survive they utilize various woody plants as food sources in times of food scarcity. This study was undertaken to as… RUF-35770 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Assessment of shoreline changes in the period 1969-2010 in Watamuarea, Kenya Alemayehu. Fikir · James Kinyanjui. Mwangi · R. Onwonga · V.O. Wasonga Watamu coastlineis a major attraction site for tourist and also a source of income for the local people. However, the shoreline has been changing due to erosion. This study sought to find the trend of shoreline changes, and the factors att… RUF-35769 2014 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access A comparative analysis of the use and management of wild edible plants on food security among transhumance and settled farmers in semiarid East Shewa, Ethiopia Feyssa Debela Hunde Drylands have a several livelihood problems where food insecurity features as one of the most serious impediments. Food security is among the key problems faced by semiarid people of Ethiopia in general and East Shewa in particular. Wild e… RUF-35767 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Assessment of mangrove covers change and Biomass in Mida creek, Kenya Alemayehu. Fikir · P. Kinyanjui · R. Onwonga · V.O. Wasonga This study uses old aerial photographs, current high resolution satellite images and ground truthing to analyze the patterns and dynamics of Mida Creek mangrove forest changes over 41 years from 1969-2010. A non-distractive method was used… RUF-35763 2014 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access Improving small holder land productivity through promotion of sustainable soil and water conservation technologies in Machakos District: a case of vegetative macro contour lines M. W. Baaru The study was carried out at Kathekakai settlement scheme, Machakos District to evaluate effects of vegetative macro contour line on soil moisture content and crop performance. In addition, the study also looked at land use and land cover … RUF-35760 2011 CC BY 4.0 19 Nov 2015
Theses & Dissertations Open Access The impact of climate variability and extreme weather events on gender and household vulnerability to food insecurity V. M. Tasokwa Kakota Climate variability is a challenge to ensuring food security among populations that mainly depend on rain-fed agriculture. It affects rural women and men differently. However, there is inadequate information to link climate variability to … RUF-35758 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Tillage effects on selected soil physical properties in a maize-bean intercropping system in Mwala District, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · Anne Karuma +1 more A field study was carried out to evaluate the effects of tillage practices on soil physical properties in Mwala district, Eastern Kenya, duringthelongrains(LR)andshortrains(SR)of2012/13.Thetreatmentswerediscploughing(DP),discploughingandharr… RUF-35757 2014 CC BY 4.0 17 Nov 2015
Journal articles Open Access Soil morphology, physico - chemical properties and Classification of typical soils of Mwala district, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · A.N. Karuma +2 more A soil profile representative of typical soils of Mwala District, Kenya, was dug to study its morphology, soil physico-chemical characteristics and to classify it using two internationally known soil classification systems. Disturbed and u… RUF-35752 2015 CC BY 4.0 17 Nov 2015
Journal articles Open Access Enhancing soil water content for increased food production in semi-arid areas of Kenya. Results from an on-farm trial in Mwala district, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · A.N. Karuma +1 more Soil water conservation through tillage is one of the appropriate ways of addressing soil moisture deficit in rainfed agriculture. This study evaluated the effects of tillage practices on soil moisture conservation and crop yields in Mwala… RUF-35741 2014 CC BY 4.0 17 Nov 2015
Journal articles Open Access Determination soil Rhizobium populations, intrinsic antibiotic resistance, nodulation and seed yield of faba bean and soybean in Western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Legumes like faba bean (Vicia faba L.) and soybean (Glycine max L.) is able to fix 20–60 kg N ha 1 under tropical environments, but these amounts are significant for the succeeding cereal to meet the N requirement for economically attracti… RUF-35739 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Effects of faba bean break crop and N rates on subsequent grain yield and nitrogen use efficiency of highland maize varieties in Toke Kutaye, western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more The biological N2-fixation in faba bean on subsequent nitrogen fertilizer requirement of highland maize varieties would be useful in guiding application of additional nitrogen fertilizer in cropping sequence. Maize planted following faba b… RUF-35737 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Nutrient status of soils from farmers’ maize fields in mid altitude areas of Western Ethiopia Tolera Goshu Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Inappropriate land use can deplete nutrient contents of crop land that leads to reduce nutrient concentrations and productivity. However, monitoring nutrient status of crop land can help producer take appropriate remedial measures before s… RUF-35735 2015 CC BY 4.0 16 Nov 2015
OER and Open Access Open Access How to make granary for food storage and preservation HAUMBA Eric Nelson · Sylvia Namujuzi RUF-35724 CC BY 4.0 10 Nov 2015
OER and Open Access Open Access Prevention and control of new castle disease sotoka in chicken Innocent. Kirungi RUF-35723 2014 CC BY 4.0 10 Nov 2015