Browsing Journal Articles by Title
Now showing items 656-675 of 891
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Performance of sweet potato varieties across environments in Kenya
(2012-09)Sweetpotato is an important food, feed and cash crop in Eastern Africa but its adoption as a dual purpose crop has not been exploited. Varieties giving high tuber and vine yields would be ideal for small scale farmers who ... -
Performance of Three Isolates of Metarhizium anisopliae and Their Virulence against Zeugodacus cucurbitae under Different Temperature Regimes, with Global Extrapolation of Their Efficiency
(MDPI, 2019-08)The performance of entomopathogenic fungi in pest control is usually a ected by both biotic and abiotic factors. This study aimed to determine the e ects of various temperatures (15, 20, 25 and 30 C) on conidial ... -
Performance of vermicomposted wastes for tomato (Lycopersicon Esculentum Mill.), production: A case study of Embu, Kenya
(2021-10)PurposeTo investigate the effect of vermicomposted kitchen, market and tea wastes on tomato growth and yield and assess the benefits and costs that arise. Method A field experiment arranged in the randomized complete ... -
Performance ranking in school mathematics in Kenya: A device that conceals and naturalizes inappropriate teaching strategies
(2020-08)Teaching strategies have a significant influence on students’ academic performance. This paper presents results from a qualitative study that examined the effects that performance ranking in Mathematics has on teaching ... -
Performance rankings in education: Implications for policy and practice
(ACADEMIC JOURNALS, 2020-11)In recent decades, school performance ranking (or ‘league table’) have become a common feature of many education systems in the world. The ranking is usually published by government and news agencies in an attempt to ... -
Performance Target Setting and Employee Service Delivery at Kirinyaga University, Kenya
(Scholars Academic and Scientific Publishers, 2017-06)Organizations are eager to monitor and increase the productivity of their employees. One such means with the potential of increasing service performance and delivery is performance contracting. Performance contracting ... -
A perspective on proteomics: current applications, challenges and potential uses
(Academic Journals, 2010-08)Biological sciences are experiencing an ongoing information revolution. Proteome-wide functional classification using bioinformatics approaches is becoming an important method for revealing unknown protein functions. ... -
Phenolic and Monoterpenoid Mosquito Repellent Constituents of Headspace Vapors of Conyza newii
(2013-01)The plant Conyza newii has been reported to posses, mosquito repellent and fumigant toxicity properties. In this study headspace vapors emitted by the plant were obtained by adsorption on porapak Q® through headspace ... -
Phenomic characterization of Crotalaria germplasm for crop improvement
(Cabi, 2021-03)Background: Diversifcation of global food systems through exploration of traditional varieties and wild edible plant species is a focal mitigation strategy for food security worldwide. The present study determined the ... -
Phenotypic Diversity of Doum Palm (Hyphaene compressa), a Semi-Domesticated Palm in the Arid and Semi-Arid Regions of Kenya
(Hindawi, 2020-12-29)Hyphaene compressa is an economically important palm in Africa. Despite its significant role in the livelihoods of rural communities, the diversity of doum palm is poorly documented and studied. In addition, it has no ... -
Phosphorus availability and exchangeable aluminum response to phosphate rock and organic inputs in the Central Highlands of Kenya
(Heliyon, 2021-03)Soil acidity and phosphorus deficiency are some of the constraints hampering agricultural production in tropical regions. The prevalence of soil acidity is associated with phosphorus (P) insufficiency and aluminum ... -
Phosphorus availability and exchangeable aluminum response to phosphate rock and organic inputs in the Central Highlands of Kenya
(Heliyon, 2021)Soil acidity and phosphorus deficiency are some of the constraints hampering agricultural production in tropical regions. The prevalence of soil acidity is associated with phosphorus (P) insufficiency and aluminum ... -
Photolabelling of Prostaglandin E2 receptor in cardiac sarcolemmnal vesicles
(1990)A [3H]azidophenacyl ester of PGE2 ([3H]azido-PGE2) was synthesized and used to photoaffinity label the protein component of the high affinity PGE2 binding site in cardiac sarcolemma membrane. Photolysis of the isolated ... -
Phylogenetic and morphological diversity of culturable cyanobacteria from Lake Magadi in Kenya
(2019-10)Lake Magadi is an alkaline saline Lake in Kenya, which lies on the Great Eastern Rift valley. Although the lake is characterized by extremes of salt, pH and temperature, it supports diverse groups of cyanobacteria. In ... -
Phylogenetic relationship and divergence among planktonic strains of Arthrospira (Oscillatoriales, Cyanobacteria) of African, Asian and American origin deduced by 16S–23S ITS and phycocyanin operon sequences
(2010-07)Arthrospira comprises multicellular, cylindrical, usually screwlike coiled trichomes and is cultivated commercially. In this study, 33 new strains of Arthrospira isolated from plankton samples collected in Mexico, East ... -
Physical and Chemical Characteristics of Five Hot Springs in Eritrea
(IISTE, 2017-07)Eritrea has a number of hot springs whose physicochemical characteristics are not documented. This study examined the thermal and chemical features of five hot springs located in the eastern escarpment of Eritrea. Field data ... -
Physical changes during coffee roasting in Rotary Conduction‐Type Heating Units
(Blackwell Publishing Ltd, 2003-08-23)Coffee beans were roasted in a rotary conduction-type-heating unit under constant heating surface or product temperatures ranging from 200 to 240C or 170 to 210C, respectively. the roasting duration was varied from 0 to ... -
Physico-Chemical and Microbial Quality of Greywater from Various Households in Homa Bay Town
(2011)In recent years concerns over dwindling reserves of ground water and overloaded or costly sewage treatment plants has generated much interest in the reuse or recycling of greywater. Re-use of greywater offers several ... -
The Physico-chemical Conditions of Turkwel Gorge Reservoir, a New Man Made Lake in Northern Kenya
(1999)Variations in some physical, chemical, and nutrient conditions were investigated at Turkwel Gorge Reservoir and its inflowing river, Suam between 1994 and 1995. Seasonal changes in inflow volume had the greatest impact ... -
Physicochemical Characteristics of undrainable Water Dams Utilized for Fish rearing In The Semi-Arid Naromoru Area, Central Kenya
(Jomo Kenyatta University of Agriculture and Technology, 2012)Naromoru is a semiarid area in Central Kenya, occurring on the leeward side of Mt. Kenya. Its water sources include a few permanent rivers such as Nairobi River, intermittent streams and a large number of undrainable water ...
