Browsing School of Biological and Physical Sciences by Title
Now showing items 37-56 of 109
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The effects of nitrogenous fertilizers on selected physiochemical parameters and heavy metal loads within Nzioa nucleus sugarcane estate farms in western Kenya
(Maseno university, 2010)Continued use of nitrogenous fertilizers and biosolids in farming is known to affect the soil pH of the farms leading to acidic environment that promotes solubility;bioavailability and mobility of heavy metals. In addition, ... -
The effects of ocimum gratissimum, ipomoea batatas And brassica oleracea var botrytis extracts on the Growth and disease-causing capability of ralstonia Solanacearum in solanum tuberosum
(Maseno university, 2010)Irish potato (Solanum tuberosum L.) is a major cash and food crop worldwide. The production of this crop has in a great way been negatively affected by the extensive spread of bacterial wilt that is caused by Ralstonia ... -
Effects of rates and split applications of nitrogen fertilizer on soil and leaf nutrients levels, quality and harvesting age of Ratoon crop of two Sugarcane varieties in Western Kenya
(Maseno University, 2015)Sugarcane is the third most important commodity crop in Kenya after tea and coffee. The productivity of the crop has been declining despite existence of recommended agronomic and cultural practices and opening new sugarcane ... -
Effects of rice-fish integration on the Productivity of irrigated paddies in east Kano Irrigation scheme, western Kenya
(Maseno university, 2013)Rice-fish integration is practiced in many places in the world with varied success. Carps, milkfish and tilapias are traditionally used. One other potential fish, particularly for Africa, is the African catfish tClarias ... -
Effects of Some Land Use Practices On Water Physico-Chemical Parameters, Nutrient Loads and Heavy Metal Concentrations In Water and Sediments Along the Malta River
(Maseno University, 2014)ABSTRACT Riverine land uses are among factors that influence water quality. Fresh water quality is nerlining and coDseqnemtiy imparting on the ecological heab:h of the ecosystem. Within the Mara River Basin as a result ... -
Effects of ungulate Herbivory and tree canopy on Ecosystem processes in Ruma National park, Kenya
(Maseno university, 2010)Herbivores and tree canopies may have significant influences on savanna ecosystem functioning that are not yet clearly understood. Positive influences of grazers and trees may be associated with fecal deposition and the ... -
The effects of zeolite x and y on degradation kinetics of P, P'-DICHLORODIPI-IENYLYTRICIILOROETHANE (DOT) in natural water
(Maseno university, 2010)The study was on degradation kinetics of pesticides in water by zeolites. Pesticides are never target specific and as such, aerial dissipation of pesticides is potentially \ hazardous to man and environmental biodiversity. ... -
Electronic transport properties in evaporated cadmium selenide thin films
(University of Keele., 1997)Cadmium selenide (CdSe) films prepared by vacuum vapour deposition onto glass sub strates maintained at various temperatures have been studied in relation to their struc tural, optical and electrical properties. Such ... -
Enumeration, identification and antagonistic potential of selected microbial isolates from sugarcane variety co 421 rhizosphere against sporisorium scitamineum in Kibos, Kisumu county, Kenya
(Maseno University, 2016)Sugarcane smut disease caused by a fungus Sporisorium scitamineum is a limiting factor to cane production in Kenya. It is threatening the sugar industry due to its effect on cane quality and yields. Sugarcane (Saccharum ... -
Estimation of Trophic State Indices And Phytoplankton Quotients in Kisumu Bay, Nyanza Gulf, Lake Victoria
(Maseno university, 2012)Kisumu Bay is greatly impacted by pollution from anthropogenic activities around Nyanza Gulf and from increasing levels of industrial and municipal waste discharges \ from Kisumu City. This has resulted in significant ... -
Evaluation of anti-leishmanial activities of Olea europaea, Kigelia africana, Terminalia mollis, Croton macrostachyus, and Bridella micrantha extracts
(Maseno University, 2023)Leishmaniasis pose a significant medical concern worldwide which if left untreated, can be fatal. Although expensive and toxic, pentavalent antimonial drugs are the first-line treatment for leishmaniasis raising the need ... -
Evaluation of anticonvulsant activity of extracts and isolates from Maytenus Heterophylla
(Maseno University, 2017)Convulsion is a chronic neurological disorder that develops in up to 5% of the world’s population with prevalence of nearly 88% occurring in Sub-Saharan Africa, prompting serious medical, social, health related stigma ... -
Evaluation of chlorpyrifos ethyl elisa kit and assessment of use and spatial distribution and temporal trend of selected organophosphate and carbamate pesticides residues in water, sediment and fish from lake Naivasha
(Maseno University, 2015)Heavy seasonal use of specific organophosphate and carbamate in the catchment area of Lake Naivasha is a potential cause of pollution of sediment, water and fish in the lake. However, there is lack of data on the potential ... -
Evaluation of phenetic characters ·and growth Performance of native wood ear mushrooms (Auricularia species) on partially composted Agricultural wastes
(Maseno university, 2010)Wood ear mushrooms (Auricularia species) are a group of jelly fungi which occur as saprophytes on stumps or at the bases of dead or dying woody trees found in tropical regions. They have an ear shaped fruiting body from ... -
Evaluation of Plasmodium Falciparum Resistance to Sulfadoxine- Pyrimethamine in Human Immunodeficiency Virus(HIV) Infected and Non-Infected Pregnant Women in A Malaria-Endemic Region of Western Kenya
(Maseno university, 2012)Malaria and Human immunodeficiency virus (HIV) co-infection in pregnancy is a major cause of anaemia, low birth weight (LBW) abortion and infant mortality in malaria-endemic countries of sub-Saharan Africa. Intermittent ... -
Evaluation of Point-Of-Care Test for Early Infant Diagnosis and Viral Load Monitoring of Hiv-1 Infection in Western Kenya
(Maseno University, 2015)In developing countries with disproportionately high burden of HIV-1 (HIV) infections, access to early infant diagnosis (EID) and viral load (VL) HIV nucleic acid testing is limited by the prohibitive infrastructural costs ... -
Evaluation of the antagonistic effects of some actinomycetes species isolated from Maseno Soils on Pyricularia grisea infecting finger millet (Eleusine coracana (L.) Gaertn).
(Maseno University, 2016)Finger millet (Eleusine coracana (L.) Gaertn) is one of the most important crops among the small millets. In Kenya yields are generally low, because of blast caused by the fungus Pyricularia grisea. Low finger-millet ... -
Experimental and computational studies of properties of thin films of cadmium-tin-oxide for manufacture of micro-electromechanical systems and for noise control
(Maseno University, 2022)The recent advancement in electronics have stimulated the high demand for semiconductor substrate materials for the printing of electronic circuits, some of which are used in the Micro-Electromechanical Systems (MEMS) ...