Theses & Dissertations Open Access Growth, yield and postharvest qualities of tomato (Lycopersicon esculentum M.) as influenced by soil moisture levels and packaging C.I. Sibomana Tomato (Lycopersicon esculentum M.) is a fruit vegetable, and like most horticultural commodities is highly perishable. It is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental f… RUF-35633 2011 CC BY 4.0 8 Oct 2015
Journal articles Open Access Bioeconomic approach to rebuilding small Haplochromine cichlids of Lake Malombe, Malawi W. Jere · V. Kasulo · E. Kaunda · Orton Msiska +1 more The paper deals with the surplus production models of Verhulst Schaefer that were applied to the small haplochromine cichlids fishery to investigate the sustainability properties of the stock and management of the fishery. The basic object… RUF-35631 2012 CC BY 4.0 8 Oct 2015
Theses & Dissertations Open Access On-farm evaluation of orange-fleshed sweetpotato varieties in northeastern Uganda Emmanuel Gilbert. Omiat Orange-fleshed sweetpotato (OFSP) varieties currently represent the least expensive, year-round source of dietary vitamin A available to poor families in Eastern Africa. An on-farm study was conducted in North-Eastern Uganda to assess fiel… RUF-35400 2004 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access An analysis of use of good agricultural practices in rice production: a case study of Bagamoyo and Dakawa areas, Tanzania. Joseph Mphatso Mkanthama One major outcome of the challenges in rice production in Tanzania is low yield. One intervention to help improve rice yield is adoption of Good Agricultural Practices (GAP). However, little information exists about farmers’ awareness of G… RUF-35372 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 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 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
Working Document Series Open Access Fish farming for improved income and food security of small scale farmersan initiative of the RUFORUM Community Action Research Programme (CARP) J. Banda · L. Banda · B. Chirwa · T. Chitsulo +9 more African trypanosomiasis is a major disease in several countries in eastern Africa, Uganda inclusive. This study is examining the role of oligopeptidase B (opB) in virulence of the vector Trypanosoma brucei rhodesiense and T. brucei gambien… RUF-34999 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Livelihoods under climate variability and change: An analysis of the adaptive capacity of rural poor to water scarcity in Kenya’s drylands S. W. Chege · W.N. Ekaya · W. N. Mnene · P. N. Mongare +3 more Rainfall, which is the main source of water in Kenya’s drylands areas, shows very high spatial and temporal variability. Crop, forage and livestock production closely follow rainfall trends thus putting livelihoods of a number of household… RUF-34792 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Effects of cowpea leaf harvesting initiation time on yields and profitability of dual-purpose sole cowpea and cowpea-maize intercrop J.N. Aguyoh · F. M. Itulya · S. Mwanarusi · G. Owour Dual-purpose cowpea production is a common component of many tropical and sub tropical subsistence farming systems. However, limited information exists on effects of leaf harvesting initiation time on yields and profitability of dual-purpo… RUF-34752 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Evaluation of water productivity for maize under drip irrigation J.J. Kashaigili · H. Mahoo · F.R. Silungwe, F.R. A drip system operating under deficit irrigation was used to evaluate water productivity (WP) of TMV-1 maize variety in Morogoro, Tanzania. A block was divided into four sub-blocks; and each randomly assigned with deficit treatment (T1, T2… RUF-34693 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effects of tied ridges for rainwater harvesting on maize yields in Swaziland O. T. Edje · E.M. Ossom This study assessed options for use of tied-ridges for on-farm water harvesting in Swaziland. Results showed that farmers in sandy and loamy soils need different sizes of ridges, 4 m and 2 m, respectively. RUF-34582 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Genetic effects of inbreeding on harvest index and root dry matter content in cassava M. Ferguson · L. Herselman · R.S. Kawuki · M.T. Labuschagne +1 more Inbreeding of predominantly cross-pollinating crops is expected to result in progeny with reduced fitness and or improved phenotypes. The effects of inbreeding in cassava are not well quantified. Accordingly, in this exploratory study, S1 … RUF-34468 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Nutrient content of vegetable amaranth (Amaranths cruentus L.) at different harvesting stages N. D. Makobo · T. A. Mtaita · M. D. Shoko Data on the nutritional content of conventional vegetables can be reasonably associated with a specific stage of plant development, but information about the age of plant development to define harvest maturity for wild or indigenous leafy … RUF-34394 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Effect of varying Desmodium and maize harvesting regimes on their yields and growth attributes within the “Push- Pull” intercropping systems in Western Kenya Z. Khan · M. N. Koech · J.R. Okalebo · C.O. Othieno +3 more This study tested the hypothesis that inclusion of Desmodium spp. into maize cropping system under the push-pull technology enhanced crop growth and yield. Field trials were conducted in Siaya and Busia districts of western Kenya with the … RUF-34388 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access The giant tiger prawn for sustainable livelihoods of fishers in the Niger Delta region, Nigeria A. I. Hart · P. Isubikalu · G. W. Komi The Giant Tiger Prawn (Penaeus monodon) is the largest marine shrimp that has lived in the Niger Delta coastal waters since 1999. Its marketability and high income as compared to the indigenous shrimp species has attracted a growing number… RUF-34248 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Deploying interactive on-line networking platform for improving quality and relevance of African University graduates to labour markets B.O. Bebe · J. Kihoro · N. Kimbugwe · D. Nodumo +1 more African Higher Education Institutions (HEIs) face criticisms of producing low performing graduates unable to drive the agricultural innovation processes to revitalise agriculture, boost economic recovery, and accelerate achievement of the … RUF-34225 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Effect of organic and urea nitrogen fertilisers on soil properties and maize yield in highlands of Rwanda B.O. Danga · C. Karemangingo · O. Tuyishime Continuous cropping without nutrient restitution under smallholder farms in Rwanda has led to serious nutrient depletion and reduced maize (Zea mays) yields. This is further exacerbated by low soil organic matter and soil erosion. The smal… RUF-34122 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Effect of farming practices on the occurrence of scab of wheat and its management through cultivar resistance C.K. Mutegi · J.W. Muthomi · R.D. Narla · N.K. Njeru +2 more A survey was carried out in Nakuru and Narok Counties at hard dough stage and at harvest. A semi structured questionnaire was used to collect information on wheat production practices. Fusarium head blight incidence and severity in each fa… RUF-34118 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Comparison of quality attributes of mango fruits produced from two contrasting agro-ecological zones of Kenya J. Ambuko · L. Ouma · W.O. Owino · S. Shibairo Mango (Mangifera indica) is a tropical fruit adapted to a wide range of agro-ecological conditions. In Kenya, mango fruits are produced across various agro-ecological zones (AEZs); from sub-humid to semi-arid. The diverse production condit… RUF-34096 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access A comparative evaluation of maturity indices of mango fruits produced in two contrasting agro-ecological zones of Kenya J. Ambuko · M. Hutchinson · J. Njuguna · L. Ouma +2 more Harvesting mango (Mangifera indica) fruits at the right stage for the destination market and use requires reliable maturity indices. There are various indices that are used to determine harvest maturity for mango fruits. However, differenc… RUF-34021 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Determinants of the non-timber forest resources conservation of the Falgore Game Reserve Kano, Nigeria G. Kironchi · A. Suleiman · M.S. Suleiman This study is designed to assess the determinants of non-timber forest resources conservation of the Falgore Game Reserve (FGR) Kano, Nigeria. Specifically the study seeks to determine the spatial temporal quantity of non-timber forest res… RUF-33945 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Dry season performance of new chili pepper varieties in Mali Traoré. Adama Perry · M. Famanta · E. Mitcham · P. Nadou Sanogo +1 more Among the three species of pepper (Capsicum sp.) grown in West Africa, Capsicum chinense and C. frutescens are the most popular in Mali; C. annuum being hardly known to consumers. However, the latter is the easiest to grow, harvest, and pr… RUF-33937 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Effects of applying different levels of P fertiliser on growth and yield of soybean varieties in Mozambique O. Chichongue · M. Clarinda Pereira · Oya Tetsuji Soybean (Glycine max L. Merrill) can be successfully grown in many provinces in Mozambique using low agricultural input. Soybean cultivation in Mozambique has expanded as a result of its nutritive and economic importance and diverse domest… RUF-33892 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Selection for pod quality, pod yield and disease resistance in climbing snap beans J. J. Cheptoo · P. M. Kimani · R.D. Narla Although climbing snap bean have the potential of increasing productivity and competitiveness in domestic and export markets, suitable varieties with market demanded pod quality characteristics and preferred agronomic traits are not availa… RUF-33885 2014 CC BY 4.0 11 Aug 2015
