Browsing by Author "Andika, Darius O."
Now showing items 1-20 of 24
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Agritourism: Potential socio-economic impacts in Kisumu County
Bwana, M.A.; Olima, Washington H.A; Andika, Darius O.; Agong', Stephen G.; Hayombe, Patrick O. (IOSR Journal Of Humanities And Social Science, 2015-03)High poverty level is one of the major developmental challenges facing Kisumu County with over 60 percent of the population being poor. The main economic activity in this region has for a long time been farming. The high ... -
An analysis of socio demographic and agronomic factors associated with adoption of improved mango varieties among small scale farmers in Alego Usonga sub-county
Oganyo, M. O.; Andika, Darius O.; Watako, Anold Onyango (Journal of Biodiversity and Environmental Sciences, 2016-12)The adoption of improved mango in Alego Usonga was still low covering an area of 12 Ha out of 47800 Ha of the arable land constituting only 0.025 %. The objective of this study was to determine the agronomic and demographic ... -
Cadmium uptake and distribution to edible organs in African indigenous vegetables
Onyuka, Enos; Husen, Wilhelm van; Nambafu, Godfrey N.; Bessler, Holger; Andika, Darius O.; Gweyi-Onyango, Joseph Patrick; Mwonga, Samuel; Ulrichs, Christian; Engels, Christof (Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences (ADTI),, 2015-09)Cadmium (Cd) is toxic to humans. The most important source for dietary intake is consumption of plant products, whereby Cd concentrations in leafy vegetables are particularly high. In peri-urban areas, soils are often ... -
Enhancing production, value addition and marketing of indigenous vegetables, French beans and mushrooms among small holder farmers in Kenya.
Andika, Darius O. (Implemented in collaboration with four (4) local universities National Museums of Kenya, KIRDI and E.A. Nutraceuticals., 2014)The project aims at implementing a research in vegetable value addition chain -
Essential and toxic minerals in leafy vegetables from open air and supermarkets in Nairobi
Nambafu, Godfrey N.; Adam, Anna; Onyuka, Enos; Mwonga, Samuel; Andika, Darius O.; Gweyi-Onyango, Joseph Patrick; Engels, Christof (Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences (ADTI), 2015-09)Deficiency of macroelements such as calcium (Ca) and microelements like zinc (Zn) is widespread in sub-Saharan Africa, particularly among the poor, for which diets are strongly based on staple crops like maize and sorghum. ... -
The interface between mango value chain analysis and the socioeconomic determinants.
Gor, C.O; Agong', Stephen G.; Achieng, L.; Akuno, W.; Andika, Darius O. (Holticultural association of Kenya, 2012-06)The study focused on a value chain analysis geared towards identifying the various, processes, inputs and major players in the mango value chain system. Data was collected from the main actors in the mango value chain at ... -
Iron concentrations in roots and edible organs of African indigenous vegetable species
Eckhardt, Ulrich; Beer, Julius; Bessler, Holger; Nambafu, Godfrey N.; Onyuka, Enos; Andika, Darius O.; Gweyi-Onyango, Joseph Patrick; Engels, Christof (Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences (ADTI),, 2015-09)Iron (Fe) deficiency is among the 10 leading human health risks causing “hidden hunger” in sub- Saharan Africa. Iron concentrations and bioavailability are often higher in leafy vegetables than in staple crops like maize ... -
Isolation, characterization and identification of Diazinon degrading bacteria from the soil and gut of macrotermes
Ogot, Hellen A.; Boga, Hamadi Iddi; Budambula, Nancy; Tsanuo, Muniru; Andika, Darius O. (Journal of Biodiversity and Environmental Sciences (JBES), 2013-09-14)Diazinon degrading bacteria were isolated from the soil and gut of fungus cultivating termites Macrotermes michaelseni using MM7 media supplemented with pesticide as the sole source of carbon and energy. The isolates were ... -
Isolation,characterization and identification of roundup degrading bacteria from the soil and gut of macrotermes michaelseni
Ogot, H. A .; Boga, H. I .; Budambula, N .; Tsanuo, M.; Andika, Darius O.; Ogola, H. J . (INNSPU, 2013)Roundup degrading bacteria were isolated from the soil and gut of fungus cultivating termitesMacrotermes michaelseniusing MM7 media supplemented with the pesticide as the sole source of carbon and energy. The isolates were ... -
Morphological and Molecular Characterization of ToxigenicAspergillus flavusfrom Groundnut Kernels in Kenya
Okayo, Robert O.; Andika, Darius O.; Dida, Mathews M.; K’Otuto, George O.; Gichimu, Bernard M. (Hindawi, 2020-09-07)Pathogenesis of Aspergillus flavus on important agricultural products is a key concern on human health due to the synthesis and secretion of the hazardous secondary metabolite, aflatoxin. &is study identified and further ... -
Morphological, biochemical and molecular characterization of Xanthomonas campestris pv. vesicatoria of African nightshades ( Solanum scabrum Mill.)
Emitaro, William Omuketi; Musyimi, David Mutisya; Andika, Darius O.; Onyango, Benson (INNSPUB, 2016-07)African nightshade (Solanum scabrum Mill.) is one important vegetable in terms of food security and nutritional balance. The vegetable is usually medicinal and also a source of income to many small scale farmers in Kenya. ... -
Nutrient fluxes from soil to market in African indigenous vegetables production system
Nambafu, Godfrey; Adam, Anna; Onyuka, Enos; Bessler, Holger; Andika, Darius O.; Mwonga, Samuel; Gweyi-Onyango, Joseph Patrick; Engels, Christof (2017-09)In many smallholder farming systems in sub-Saharan Africa, nutrient supply is either too low leading to soil fertility decline due to soil mining or too high leading to environmental pollution. The aim of our study was the ... -
Physical qualities of organic potting substrates for containerized and nursery production
Andika, Darius O.; Ngamau,Kamau; Ogola, Henry J.O.; Gor,Christopher O. (DNetRW, 2014)Soil has always been used as nursery and pot substrate in horticultural industry in Kenya, but it has problems related to aeration, drainage, non-uniformity and chemical suitability. Therefore, development of alternative ... -
Physico-chemical charecteristics of Nyanza gulf in lake Victoria, Kenya.
Misiko, Florence Monicah; Radull, John; Gichuki, John; Andika, Darius O. (2011)Kisumu Bay is greatly impacted by pollution from anthropogenic activities around Winam Gulf and from increased levels of industrial and municipal discharges from Kisumu town. This has resulted in significant changes in the ... -
Plant residue-derived organic carbon input into soil in African indigenous vegetable production systems
Onyuka, Enos; Nambafu, Godfrey; Bessler, Holger; Adam, Anna; Andika, Darius O.; Gweyi-Onyango, Joseph Patrick; Mwonga, Samuel; Engels, Christof (2016-09)Food production in sub Saharan Africa is constrained by low soil fertility, whereby soil organic matter (SOM) is key factor regulating many soil functions that determine the yielding ability of soils. SOM content is ... -
Post-harvest processing, storability and quality attributes of indigenous vegetables among producers and consumers in Kenya
Andika, Darius O.; Abukutsa, M.O.A.; Mwai, J. (Journal of Biodiversity and Environmental Sciences, 2014-07)Indigenous vegetables form a key component of farming systems in most communities in Africa including Kenya. Its increased awareness and utilization has been attributed to its reported superior nutritional quality, medicinal ... -
The potential of farm-level forestry enterprises by small scale farmers in selected arid and semi-arid areas (ASALs) in Kenya.
Andika, Darius O.; Gor, Christopher O.; Ogola, Henry J. O. (Science domain, 2014)The objective of the study was to establish socio-economic status of selected farm forestry groups and networks currently undertaking farm forestry (FF)and the prospects of farm-level forestry enterprises in improving and ... -
Producing liquid organic fertilizer from water hyacinth; A case of lake Victoria, Kenya
Andika, Darius O.; Ogada, Jane Akinyi; Hayombe, Patrick O. (International Journal of Science and Research, 2016-02)Water hyacinth (Eichhornia crassipes) is a free floating freshwater plant of the family Pontederiaceae that has proven to be a significant economic and ecological burden to many sub-tropical and tropical regions of the ... -
Roots spatial distribution and growth in Bambara groundnuts (vigna subterranea) and Nerica rice (oryza sativa) intercrop system
Andika, Darius O.; Abukutsa, Onyango M.O.; Onyango, J.C.; Stutzel, H. (Asian Research Publishing Network, 2010-03)Intercropping offers advantages if well planned including improved soil fertility and yields. Bambara groundnuts have been shown to yield in low fertility soils and have been described as a complete food. NERICA rice has ... -
Seizing an opportunity of a public-private partnership initiative for Agritourism development as a strategy for poverty reduction in Kisumu, Kenya
Bwana, M.A.; Olima, Washington H.A; Andika, Darius O.; Agong', Stephen G. (International Journal of Humanities and Social Science Invention, 2015-10)High poverty level is one of the major developmental challenges facing Kisumu County with over 60 percent of the population being poor. The main economic activity in this region has for a long time been farming. The high ...