Browsing Articles: Department of Water and Agricultural Resources Management by Title
Now showing items 103-122 of 153
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Performance of a convective, infrared and combined infrared-convective heated conveyor-belt dryer
(Springer, 2015-05)A conveyor-belt dryer was developed using a combined infrared and hot air heating system that can be used in the drying of fruits and vegetables. The drying system having two chambers was fitted with infrared radiation ... -
Performance of a convective, infrared and combined infraredconvective heated conveyor-belt dryer
(Association of Food Scientists & Technologists, 2015-05)A conveyor-belt dryer was developed using a combined infrared and hot air heating system that can be used in the drying of fruits and vegetables. The drying system having two chambers was fitted with infrared radiation ... -
Performance of a solar dryer with limited sun tracking capability
(Elsevier, 2006-05-31)A small solar dryer with limited sun tracking capabilities was designed and tested. The dryer had a mild steel absorber plate and a polyvinyl chloride (pvc) transparent cover and could be adjusted to track the sun in ... -
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 ... -
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 ... -
Physiological and Agronomic Performance of Domesticated and Wild Cotton Germplasm from Selected Regions of Kenya
(2017-05)making cooking oil, soup and seed cake for animal feed industry among other uses. Performance of wild cotton germplasm in Kenya has not been well studied and therefore there is need for understanding the correlation of ... -
Pollination Ecology of Desmodium Setigerum (Fabaceae) in Uganda; Do Big Bees Do It Better?
(2016-08)Explosive pollen release is documented in many plant families, including the Fabaceae. Desmodium setigerum E. Mey (Fabaceae) is a perennial herb with single trip explosive pollen release found in eastern Africa, and the ... -
Populations of Biomphalaria spp. Snails Isolates in Kenya Show Variable Resistance to Schistosome Infection
(Trade Science Inc., 2018-10)Fresh water snails of genus Biomphlaria, Bulinus and Ocomelinia are important vectors for human schistosomiasis. Human contact patterns with water infested with cercaria are important factors in transmission of schistosomiasis ... -
The potential for second generation bio-ethanol production from agro-industrial waste in South Africa
(Academic Journals, 2013)There has been a sustained and growing interest in the production of liquid fuel from biomass in recent years. South Africa is a large producer of sugar, maize and wheat among other agricultural products that release big ... -
Potential of Bio-/Agro-Terrorism in Kenya
(2015-08)The growing Biotechnology and Bio-Engineering may have by commensurate measure contributed to bio-terrorism. This has led to stringent measures to deal with it especially, in developed economies like the ... -
Potential of nightsky nocturnal radiative cooling as a fresh produce preservation method
(2007-07-30)Abstract: The change in water temperature in horizontally placed pans exposed to the night-sky radiation was monitored at night between the hours of 8:00pm and 6:00am. The effect of varying the quantity of water in the pan ... -
The Potential of Organic and Inorganic Nutrient Sources in Sub-Saharan African Crop Farming Systems
(2012-02)he Potential of Organic and Inorganic Nutrient Sources in Sub-Saharan African Crop Farming System -
Predicting decomposition patterns of tree biomass in tropical highland microregions of Kenya
(Kluwer Academic Publishers, 1997)Decomposition- and nitrogen-release patterns of biomass from three agroforestry multipurpose trees (Calliandra calothyrsus, Cordia africana and Grevillea robusta) were investigated in four contrasting environments ... -
Production Functions and Their Use in Predicting Chickpea Biomass Yields When Grown under Varying Tillage and Sowing Dates in Naivasha, Kenya
(Scientific Research Publishing Co., 2007)The use of production functions as tools for analyzing agronomic relationships and crop growth is gaining importance the world over. Their predictive value in crop adaptation trials for specific agro-ecological sites ... -
Production of Hybrid Basmati Rice in Kenya: Progress and Challenges
(2013)Photoperiod sensitive genic male sterile (PGMS) and Thermosensitive genic male sterile (TGMS) rice varieties require a long day light length and high temperature respectively growth conditions for them to be completely ... -
Productivity of Selected Cabbage Varieties under Varying Drip Irrigation Schedules in Humic Nitisols of Embu County, Kenya
(Hindawi, 2021-05)Use of controlled irrigation in vegetable production is considered a viable option for optimizing input use and productivity. %is study aimed at assessing the effects of different drip irrigation schedules on productivity ... -
Programmed cell death-like behavior in photoperiod-sensitive genic male sterile (PGMS) rice
(Academic Journals, 2011-04)In photoperiod-sensitive genic male sterile rice (Oryza sativa L.) pollen abort in long day and high temperature, and revert to fertility in short day length and low temperature growth conditions. This type of control of ... -
Proximity to Woodland and Landscape Structure Drives Pollinator Visitation in Apple Orchard Ecosystem
(Crossmark, 2016-04)Landscapes of farms and adjacent areas are known to influence abundance of various arthropods such as pollinators in commercial agricultural ecosystems. In this context, we examined the effect of heterogeneous landscapes ...