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 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 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 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 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
Newsletters Open Access The RUFORUM monthly Newsletter November, 2010 RUF-35243 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Diallel analysis of root dry matter content in sweetpotato R. Edema · P. Gibson · R. O. M. Mwanga · D. Shumbusha +1 more There has been much emphasis on breeding for increased sweetpotato storage root yields, but less on the dry matter yield, and its inheritance. High dry matter content (DMC) is associated with consumer preferences, and is important for proc… RUF-35241 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access S1 and S2 selection of Longe 4 maize variety for tolerance to low soil nitrogen in Uganda G. Asea · R. Edema · P. Gibson · P. Namugga Low nitrogen is a major environmental stress leading to low yields in maize. Identification of varieties able to perform well under low soil N is of great significance to the resource poor farmers in the country especially when input costs… RUF-35227 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic diversity in maize landraces for resistance to Chilo partellus in Kenya P. Gibson · S.N. Mugo · S.W. Munyiri · J.K. Mwololo +2 more Yield losses in maize associated with stem borer damage is estimated at 13% annually in Kenya. New sources of resistance to stem borers are needed to develop germplasm for the diverse maize growing ecologies. This study was conducted to es… RUF-35223 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic variability of soybean for yield and yield components under irrigation conditions of Gezira, Sudan Yousif Balla. Mohamed · I. Seifeldin Elrayah A field experiment was conducted to study the genetic variability among 21 soybean verities at the Gezira Research Station Farm, Sudan for two successive seasons in 2009 and 2010. Six traits were studied including grain yield/ha, days to 5… RUF-35217 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Comparison of selection indices for drought tolerance in common beans for the dry environments of Tanzania N. Lwiyiso Kilasi · M. Mwala · S. Nchimbi-Msolla This study assessed yield performance of common bean genotypes under different levels of drought stress (waster stress periods). Subsequently, drought susceptibility index (DSI), sensitivity index (SI) and drought intensity index (DII) wer… RUF-35211 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Inheritance of resistance to maize weevil Sitophilus zeamais (Motschulsky) in maize inbred lines and determination of their heterotic groups G. Asea · M.K. Gafishi · J.K. Tumutegyereize Maize weevil Sitophilus zeamais (Motschulsky) is a pest of maize causing serious losses to resource-poor farmers in the tropics. To combine resistance to Maize Weevil with high yield in maize, 52 inbred lines reported to harbor resistance … RUF-35203 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Determination of crop coefficient of local barley cultivar in Tigray, Northern Ethiopia using drums Alemie Araya · Fantahun. Sisay Barley is a major staple food crop in the highlands of northern Ethiopia. The crop is used for preparing various types of traditional foods. Barley yield over the northern Ethiopia is severely affected mainly due to water stress. To minimi… RUF-35202 2010 CC BY 4.0 17 Sep 2015
Newsletters Open Access The RUFORUM monthly Newsletter May, 2009 RUF-35181 2009 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Identifying indigenous knowledge and effective communication systems for adaptation to climate change by smallholder farmers of Kilifi District, Kenya G.A. Achiando · R. Birech · Washington Ochola This study investigated the influence of incorporating feedback from agricultural information users in agricultural communication systems and identified coping strategies for adaptation to climate change by smallholder farmers of Kenya. Fo… RUF-35141 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Variation in micronutrient content of orange-fleshed sweetpotato varieties grown in different environments M.S. Mwala · G.I. Serenje Field experiments were conducted at three locations in Zambia to characterize 15 sweetpotato varieties for tuber yield and micro-nutrient content. Location and variety had significant effect on tuber yield. Marketable yield ranged from 5.2… RUF-35139 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation and selection of drought and pod borer (Helicoverpa armigera) tolerant chickpea genotypes for introduction in semi-arid areas of Kenya P.K. Kimurto · R.M.S. Mulwa · B.K. Towett This study evaluated 289 chickpea lines for drought tolerance, and 30 for pest resistance. Several promising genotypes have been identified (ICC 2580, ICC 7272, ICCV 92311, ICC 3362, ICCV 95311, ICC 506, EC 583311, ICCVX 906183-1), and the… RUF-35126 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation of the performance of Centre Pivot Sprinkler irrigation system and its effects on crop yield at Kagera, Tanzania E. Ernest · H. Mahoo · P. M. Reuben · S. Y. Thadei The study evaluated the performance of the centre pivot sprinkler irrigation system and its effects on sugar cane yield at Kagera Sugar Estate. The study also examined soil parameters that influence cane yield and the quality of irrigation… RUF-35105 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluating the effects of conservation agriculture and related technologies on soil biodiversity, crop and labour productivity in semi-arid Zimbabwe L. Mhaka · E. N. Mutsamba · I. Nyagumbo This on-going study is examining the linkage between termite prevalence and residue amount under conservation agriculture in Zimbabwe. Preliminary results show that convectional ploughing had lowest termite abundance while tied ridging inc… RUF-35098 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Upscaling the use of efficient and affordable soil fertility replenishment practices for small holder farmers of western Kenya B. Amar · M. A. Bekunda · A. K. Koech · M. N. Koech +4 more The study assessed the agronomic effectiveness of fertilizer use recommendations in western Kenya on maize yields. The treatments included: FURP – 75kg N/ha CAN and 26kgP/ha DAP; 2) FURP – 75kg N/ha CAN and 26kgP/ha DAP plus lime (2t/ha); … RUF-35093 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of integrated water and nutrient management technologies on crop and labour productivity in Zimbabwe L. Mhaka · I. Nyagumbo Poor soils, erratic rainfall, frequent dry spells have been cited as the major threats to the development agricultural in Southern Africa. This experiment was designed to evaluate the benefits derived from post planting tied ridging, conse… RUF-35088 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Economic benefits associated with restoration of fish stocks of Lake Malombe in Malawi V. Kasulo · E. Kaunda · George Matiya · W. Singini This paper provides an overview of the research to be conducted in Lake Malombe in Malawi. The changes that have taken place in Lake Malombe fishery have had major social and economic consequences on communities around the lake. In Malawi,… RUF-35081 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Age, growth and reproductive biology of Lethrinops gossei burgess & axelrod– (Teleostei: cichlidae) in the south east arm of Lake Malawi M.C. Banda · G.Z. Kanyerere · E. Kaunda · F. Maguza-Tembo +1 more Life history traits of Lethrinops gossei from south east arm of Lake Malawi were studied. Validation of age was done by using analysis of marginal increment and length frequency distribution. It was assumed that a single opaque ring was la… RUF-35078 2010 CC BY 4.0 16 Sep 2015
