Working Document Series Open Access Yield and Rain Water Use Efficiency of Maize (Zea mays L.) Under Selected Soil and Water Conservation Technologies in the Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · M. Mugwe +4 more A study was carried out to assess the effectiveness of mulching, mbili intercrop, minimum tillage and tied ridging on soil and water conservation and improvement of maize yields under a rainfed farming system. The treatments, in three repl… RUF-31975 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Calibration and validation of AquaCrop Model for Maize in Sub-Humid and semi- arid Regions of Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · J. Mugwe +3 more Farmers in the central highlands of Kenya have been experiencing declining crop yields due to low soil water availability caused by low and unreliable rainfall and poor water harvesting techniques. To increase crop yields, and reduce produ… RUF-31961 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Conserve and Screen Premium Value Indigenous Plant Biodiversity and Products on Smallholder Farming Systems of Lake Victoria Basin in East Africa L.S.M. Akundabweni · S. Munialo · A. Namutebi · J. Ssozi Indigenous plants (IPs) particularly African Indigenous Vegetables (AIVs) have been neglected in East Africa despite their food and nutritional value. This project was therefore initiated to promote cultivation and conservation of AIVs. Th… RUF-31953 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Investigating Viability of Premium Influenced Land use Structure in Production of Quality Indigenous Vegetable L.S.M. Akunadabweni · J. Mburu · S. Munialo · A. Namutebi Raised bed gardening is a form of land use structure that is becoming popular among home vegetable growers especially in parts of the world with greater population densities or less tillable land. Raised bed plots coined as Premium Influen… RUF-31942 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Enhancing Farmers’ Adaptation to Climate Change by Integrating Traditional and Conventional Drought Prediction and Preparedness Techniques in Kenyan Central Highlands M.W. Mucheru-Muna · W.E. Mugi Climate change has been recognised as the most complex and challenging environmental problem facing crop production among most small holder farms today. Drought, a condition that has a negative impact on crop productivity is an indicator o… RUF-31934 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Developing Management Options for Optimising Water and Nitrogen Utilisation for Maize Production in Malawi F.C. Kahimba · J. Mthandi · B.A. Salim · A.K.P.R. Tarimo Nitrogen (N) is the most important determinant of plant growth and crop yield. Plants lacking N show stunted growth and yellowish leaves. Plant growth and crop yield usually increase when N is added. However, too much N lead to weak stems … RUF-31931 2012 CC BY 4.0 12 May 2014
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 Water Productivity and Evapotranspiration of Teff (Eragrostis tef) Berihun Atakilt Teff is a staple food crop in northern Ethiopia. The main limitation in stabilizing teff yield in northern Ethiopia is the dependency of the farming system on erratic rainfall. Usually, drought stress occurs in the region at the critical p… RUF-31896 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 NP Fertiliser Rate Response of Maize and Sorghum Succeeding Sole or Intercropped Haricot Beans Tolera Abera The role precursor crops significantly reflected on the preceding crops grown following them. Considering this a trial was conducted to asses the effects of haricot bean varieties grown as sole and intercropped on N/P rate response of succ… RUF-31880 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
