Theses & Dissertations Open Access Investigating viability of premium influenced land agro-usage structure for increased phyto-diversity and production of African leafy vegetables S. Munialo Decreasing land holdings among smallholder farmers in Vihiga and Jinja have resulted in intensive land utilization. This has in turn led to low soil fertility level which has resulted in decline in the abundance and distribution of phyto-d… RUF-35527 2013 CC BY 4.0 29 Sep 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 Assessment of groundnut yield loss due to the groundnut leaf miner, Aproaerema modicella infestation in Mozambique M. Botao · D. Cugala · L. Santos · A. Sidumo +1 more The groundnut leaf miner, Aproaerema modicella Deventer (Lepidoptera: Gelechiidae), is an invasive alien Asian species in Mozambique. A. modicella was reported for the first time in 1998 in Uganda. In Mozambique, Groundnut leaf miner was f… RUF-34364 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Physico-chemical properties and antioxidant potential of syrup derived from ‘Madhura’ sweet sorghum grown in different locations in Kenya E. M. Makori · Hunja Murage · Mwanjala Mwasaru · N. O. Ojijo +3 more Sweet sorghum (Sorghum bicolor (L) Moench) represents an analogous crop to sugarcane with similar accumulation of sugars in its juicy stems but with a higher agronomic stability to temperature fluctuations, less water requirement and bette… RUF-34211 2014 CC BY 4.0 14 Aug 2015
Working Document Series Open Access The Vitamin and Mineral contents of “Okpa” Prepared with Fluted Pumpkin and Scent Leaves M.O. Chukwu · G.A. Obi-Adumanya The bambara nut flour is often processed into “Okpa” by the inhabitants of the eastern part of Nigeria. In this study, the vitamin and mineral contents of “Okpa” prepared with fluted pumpkin and scent leaves were determined. The result sho… RUF-33063 2012 CC BY 4.0 21 May 2014
Working Document Series Open Access The effect of gypsum and NPK fertiliser on groundnut performance in Western Tanzania F.M. Bagarama · Z.P. Matata · E. Shenkalwa This study was carried out to determine the effect of amending soil with gypsum rich material on the performance of groundnuts (Arachis hypogea L.) grown in low fertile sandy textured soil in the miombo woodland ecosystem, western Tanzania… RUF-32893 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Gender Roles in Soil Fertility and Water Management for Maize (Zea mays L.) Production in Urban Agriculture: A Case for Harare, Zimbabwe J. Nyamangara · B. Nyamasoka · P. Nyamugafata A survey of 205 farmers in Harare and Chitungwiza, Zimbabwe was conducted to characterise soil fertility and water management practices used by urban farmers to produce maize and to determine the influence of gender on their use. Results s… RUF-32731 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Characterisation of Vermiculites from the Neoproterozoic Mozambique Belt of Tanzania for Agricultural Applications S. Hillier · E.M.M. Marwa · A.A. Meharg · C.M. Rice The study assessed the mineral phases and properties of five Tanzanian vermiculites in response to the temperature used to expand them with respect to their potential suitability for agricultural applications. One sample from Palabora Mine… RUF-32700 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Potential Sources of high Iron and Zinc Content in Ugandan Bean Germplasm R. Edema · P. Gibson · F. Mukamuhirwa · C. Mukankusi +1 more The study was conducted at National Agricultural Research Laboratories (NARL) at Kawanda in order to identify potential sources of high iron and zinc content, Such varieties would contribute to improved health of bean (Phaseolus vulgaris) … RUF-32517 2012 CC BY 4.0 17 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 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
Theses & Dissertations Open Access Multinomial Regression in Insect Choice Studies: A Case of Leaf Miner Parasitoids’ Choices Kevin Kanyuira Gikonyo Researchers are often confronted with multinomial data in insect choice studies. Common choice models available to researchers for analysis of multinomial data include multinomial logit (MNL) and multinomial probit model (MNP). MNL relies … RUF-31727 2013 CC BY 4.0 7 Apr 2014