Working Document Series Open Access Measuring Maize (Zea mays L.) Genetic Coefficients for Modeling Water-Limited Potential Yield and Yield Gaps in the Wami-Ruvu River Basin, Tanzania: An Overview S.K. Mourice · A. Nyambilila · C.L. Rweyemamu · S. Tumbo This research establishes observed data for validating an artificial neural network model for estimating the cultivar coefficients for the popular maize varieties in Tanzania. The genetic coefficients are fundamental in calibrating the DSS… RUF-31925 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effect of different tillage methods on soil moisture Dynamics in Maize-bean Cropping Systems in Semi Arid Mwala District, Kenya N. Amuri · C.K.K. Gachene · A.N. Karuma · P.W. Mtakwa Water is an important factor affecting plant growth especially in semi arid areas. A study to determine the effects of tillage and cropping systems on soil surface roughness, moisture storage and maize and bean yields was conducted in semi… RUF-31920 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Determinants of Adoption of Butternut Squash (Cucurbita moschata) Farming among Small-holders in Suba District, Kenya H.N. Isaboke · P. Mshenga · B.K. Mutai · M. Saidi Butternut squash (Cucurbita moschata) is an emerging economic crop in Kenya with ready market and high nutritional value. Despite this, its adoption as a major cash crop in Suba District has remained low. The aim of the study was to invest… RUF-31915 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effect of Leaf Leachate of Prosopis Juliflora (Swartz DC) and Acacia Raddiana (Brenan) on Early Growth of Sorghum Sudanense (Piper Stapf) Mustafa Hasabelrasoul Fadlelmula · Ali Rona Abdallah Bushra Prosopis juliflora (Swartz) DC provokes contradictive allegations on its ecological significance. To contribute in elucidating the dispute on its allelopathic behaviour, leachate was extracted from the leaves of both P. juliflora and Acaci… RUF-31910 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Diversity and Symbiotic Effectiveness of Acid Tolerant Groundnut Rhizobia inWestern Kenya Soils J.K. Ogega · J.R. Okalebo · D.A. Onyango · B.A. Were This study was carried out to find suitable strains of rhizobia for use in ground nut production under acid-aluminium soils. Thirty-six rhizobia isolates tolerant to high soil aluminium were identified.. The isolates were gram negative rod… RUF-31909 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Susceptibility of some Varieties and Breeding lines of Tomato to Liriomyza spp. infestation in Central Sudan Dominique Bordat · M.A. Elameen Eltoum · M. Elamin Elamin · E.E. Faiza Salah +1 more Tomato crop in the central Sudan is liable to heavy infestation by the leaf miners, Liriomyza spp. Field experiments indicated significant differences in varietal susceptibility of varieties and tomato breeding lines to Liriomyza spp. The … RUF-31902 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Improving Biological Nitrogen Fixation (BNF) by Groundnuts (Arachis hypogea L.) Grown in Acid Soils Amended with Calcitic and Dolomitic Limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut is an important grain legume in the traditional cropping systems of western Kenya and eastern Uganda. This research focuses on assessing and utilising the biological nitrogen fixation (BNF) potential of groundnut in alleviating s… RUF-31894 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Improving Water Management for Irrigated Rice Production in the South-Kivu province, Democratic Republic of Congo A. Amoding · J.G.M. Majaliwa · M. Walangalulu The aim of the project is to contribute to increasing rice (Oryza sativa) productivity by improving water management and expanding irrigated rice production in Eastern D.R. Congo. The study will identify potential rice production areas in … RUF-31888 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Promoting Corporate and Community Involvement in Natural Resource Management Through Dissemination of Research Findings and Participation in Field Investigations of Mine Pollution in Kasese, Western Uganda J.G.M. Majaliwa · R. Osaliya In a field attachment to Kasese Cobalt Company Limited (KCCL), the communities of Kahendero and Hamukungu landing sites on Lake George shores were engaged in investigations of the impact of pollution and subsequent interventions by KCCL, a… RUF-31878 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Impact of Land Use and Climate Change on Stream Flow, Sediment and Pollution Dynamics in Kagera River Watershed G. Kironchi · L. MacOpiyo · M.G.J. Majaliwa · K. Mwetu +1 more Kagera River is one of the most important incoming rivers to Lake Victoria with an annual inflow of about 7.5 km3 into the Lake and is also important to the River Nile which is the single outlet of Lake Victoria. The Kagera River is theref… RUF-31875 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Age and Growth of the Nile Perch, Lates Niloticus L. in Lake Victoria, Uganda L.J. Chapman · W.N. Nkalubo This research determined age and growth of Nile perch (Lates niloticus) from Lake Victoria commercial catches using transverse-sectioned sagittal otoliths. Marginal increment analysis of the otoliths indicated bimodal deposition of annuli … RUF-31869 2012 CC BY 4.0 11 May 2014
Working Document Series Open Access Performance of Evening Street Markets of Agri-Food Products in Morogoro Municipality, Tanzania K.D.S. Mutabazi · O.H. Zobida Habib The street food trade is a growing sector in many developing countries today. Street foods have recently begun to attract the attention of governments and various international agencies because one of the features of urbanization in develo… RUF-31866 2012 CC BY 4.0 11 May 2014
Working Document Series Open Access Influence of soil moisture levels and packaging on postharvest qualities of tomato J.N. Aguyoh · A.M. Opiyo · C.I. Sibomana Plants respond to reduced soil water availability without experiencing any detectable change in shoot-water relations. The tomato seedlings (cv. ‘Moneymaker’) were planted in plastic pots under greenhouse conditions under five different so… RUF-31863 2012 CC BY 4.0 11 May 2014
Working Document Series Open Access Constraints to Use of Animal Source Foods in Diets of 2 - 5 year old Children from Rural Communities in Kamuli District, Uganda E.K. Colecraft · A. Lartey · S. Oluka · O. Sakyi-Dawson This cross sectional study, conducted in 2007 assessed household constraints to use of animal source foods (ASF) in diets of 2-5 year old children in rural Kamuli District in eastern Uganda. Assessments were made at food security levels on… RUF-31859 2012 CC BY 4.0 11 May 2014
Working Document Series Open Access Effects of NP Fertilisers and Manure Application on Maize-bean Yields, and Soil Nitrogen Mineralisation in Machakos County, Eastern Kenya C. Kibunja · B.E. Mochoge · N. Ogucha The inherent poor fertility of soils in Kenya constitute a major constrain to sustainable smallholders agriculture and more especially in arid and semi-arid parts of the country. The solution herein lies in the efficient use of nutrients a… RUF-31846 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Effectiveness of Bradyrhizobia and Lime on Yield of Groundnuts and Maize Under Intercrop System in Acids Soils of Western Kenya J.K. Ogega · J.R. Okalebo · D.A. Onyango · C. Othieno +2 more Bradyrhizobia is the rhizobia species that fixes nitrogen in the groundnut crop. Soil acidity is a constraint to effective bradyrhizobia activity. Western Kenya is characterised by acid soils and thus unconducive for bradyrhizobia activity… RUF-31842 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Improving Soil Properties Through Use of Unburnt Local Limes in Acidic Soils of Burera District, Rwanda J.N. Mugwe · A. Nduwumuremyi · V. Ruganzu This study was carried out at Rwerere Research Station located in the highlands of Buberuka, Rwanda. Three local limes (Musanze, Rusizi and Karongi) were evaluated in a randomized complete block design (RCBD)) experiment established in Sep… RUF-31834 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Growing Tithonia Diversifolia for Fertility Restitution of Technosols from Coltan Mined Soils of Gatumba, Rwanda B. Mochoge · F. Naramabuye · A. Ndoli · Rolf Nieder The present study was conducted to evaluate the capacity of Tithonia diversifolia to mobilise nutrients and the ability of technosols to produce tithonia biomass for fertility restitution. A greenhouse pot experiment was conducted and tith… RUF-31830 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Determinants of Adoption and Utilisation of Integrated Soil Fertility Management by Small Holders in Central Kenya S.W. Kimaru · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +1 more Per capita food production in Africa has been declining over the last two decades, contrary to global trends due to soil fertility decline. The study sought to determine factors that influence adoption and utilization of integrated soil fe… RUF-31824 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Comparative Effects of MPR and P Water Soluble Fertilisers on Maize Yield in Sandy Soils of Tabora, Tanzania F.M. Bagarama · A.L. Bilaro · A.M. Kalala · J.M.R. Semoka An on-station experiment was conducted at ARI –Tumbi, Tabora, Tanzania during 2010/ 2011 cropping season to compare the effects of Minjingu Phosphate Rock (MPR) with various water soluble P fertilisers on maize response in sandy soils. Wat… RUF-31793 2012 CC BY 4.0 5 May 2014
Working Document Series Open Access Determinants of Adoption of Soil Erosion Control Technologies in Mt. Elgon Highlands in Eastern Uganda M. Barungi · A. Edriss · J. Mugisha · D.H. Ng’ong’ola +1 more The study made an inquiry into the determinants of adoption of soil erosion control technologies in Bukwo and Kween districts. We found adoption would be high if farmers own different types of farm tools, get frequent extension advice, are… RUF-31787 2012 CC BY 4.0 5 May 2014
Working Document Series Open Access Peste Des Petits Ruminants (PPR) Outbreak in Southern, Tanzania E.D. Karimuribo · R.B. Matondo · L.S.B. Mellau · G. Misinzo +2 more Peste des petits ruminants (PPR) was first confirmed in Tanzania in 2008, however description of clinical or pathological signs was not carried out although this is important to assist quick identification and reporting of PPR cases by bot… RUF-31774 2012 CC BY 4.0 2 May 2014
Working Document Series Open Access Determination of Seasonal Parasite Carriage of Village Chicken in Mbeere, Antiparasitic Treatments used and Effectiveness of Selected Anthelmintics L.C. Bebora · Wambui, H. Chege · N. Maingi · P.G. Mbuthia The overall objective of the study is to determine parasite carriage of village chicken of Mbeere district, Eastern province of Kenya. The study was conducted for over two seasons, the dry (January to March) and wet (October to December) s… RUF-31766 2012 CC BY 4.0 2 May 2014
Working Document Series Open Access Performance of Starter Pigs Fed Malted and Fermented Maize Based Weaner Diets G.A. Beyihayo · D. Mutetikka · M. Nabasirye Two experiments were conducted with the overall objective of developing appropriate diets to permit early weaning for increased productivity and profitability of pig production. Use of malted or fermented maize grain in weaner diets is an … RUF-31761 2012 CC BY 4.0 2 May 2014
Working Document Series Open Access Determinants of Milk Production in Nyabubare Sub County, Bushenyi District, Western Uganda G. Arinaitwe · B. Bua This study was conducted to determine the factors responsible for low milk production in Nyabubare sub-county, Bushenyi district, Uganda. Dairy farming is a major activity in this subcounty, with communities almost entirely dependent on it… RUF-31748 2012 CC BY 4.0 2 May 2014
