Faculty of Agriculture & Veterinary Medicine (FAg / FVM): Recent submissions
Now showing items 2881-2900 of 3010
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The effect of intra- row spacing and method cultivation on dry matter production and yield of Solnum tuberrosum L.
(Department of Land Resource Management and Agricultural Technology, University of Nairobi, 1986)Studies were carried out to show the effect of spacing and method of cultivation on potatoes (Solanum tuberosum). The potatoes were planted at three intrarow spacings (15, 30 and 45 cm) and constant row spacing of 75 ... -
Response of pigeonpea (cajanus cajan (L.)millsp) to phosphate and nitrogen fertilisers and animal manure.
(Department of Plant Science and Crop Protection, University of Nairobi, 1992)Pigeonpea yields in East Africa are usually low ranging between 600-700 kg /ha. This has been attributed to a number of factors of which soil factors such as nutrient levels is one of them. Comparatively little research on ... -
Insect pests of cowpeas vigna unguiculata(l.) walp. and studies on cowpea yieldassessment under different chemical sprayregimes and minimum use of insecticidesagainst the dominant insect pest speciesat Katumani dryland rese4rch station, Kenya
(Department of Plant Science and Crop Protection, University of Nairobi, 1983)Studies to identify major insect pests attacking cowpea, Vigna unguiculata (L.) Walp., in the field and to assess cowpea yields under different chemical control regimes were conducted at Katumani, Kenya during th'e ... -
Effect of nitrogen, phosphorus and organic manure on growth and development of cotton ( gossypium hirsutw, L.) at Tebere, Kenya.
(Department of Land Resource Management and Agricultural Technology, University of Nairobi, 1985)Effect of Farmyard manure, nitrogen and phosphorus on growth and yield of two upland cotton varieties (UKA 59/240 and BPA 75) was investigated at Tebere during the October, 1982 and March, 1983 cropping seasons. Varying ... -
Environmental problems of smallholder sugarcane production in the Nyanza sugar belt
(Department of Agricultural Economics, University of Nairobi, Kenya, 1976)Due to a variety of favourable environmental factors, Commercial Sugarcane development projects are centred in the Coastal, Western and Nyanza Provinces of Kenya. However, previous plans for sugarcane production expansion ... -
Fertilizer and varietal effects on growth and yield of potato (solanum tuberosum L.) under medium altitude tropical conditions
(Department of Land Resource Management and Agricultural Technology, University of Nairobi, 1981)Potato (Solanum tuberosum L.) production in Kenya is still restricted to the highlands, and yet its consumption has spread to almost allover the country including medium and low altitude areas. An attempt was made to ... -
Effect of organic matter quality, soil temperature and moisture on soil organic matter decomposition of a forest -cropland chronosequence
(Department of Land Resource Management and Agricultural Technology, University of Nairobi, 2009)Temperature sensitivity of soil carbon decomposition is a key factor in determining the response of the terrestrial carbon balance to climate change. However, the effect of substrate on temperature sensitivity of ... -
Studies on mixtures of cotton (gossypium hirsutum l.) and beans (phaseolus vulgaris l.) with special reference to planting arrangement
(Department of Plant Science and Crop Protection, University of Nairobi, 1984)Studies were conducted at Mwea Tebere Research Station and Wanguru Sunflower Research Centre to evaluate the effect of growing cotton (Gossypium hirsutum L.) in mixture with field beans (Phaseolus vulgaris LJ on their ... -
Postharvest handling of Tuberose (polianthes tuberosa L.) cut flowers
(Department of Plant Science and Crop Protection, University of Nairobi, 1992)A range of postharvest treatments were applied to tuberose (Polianthes tuberosa L.) cut flowers in an effort to improve flower bud opening, vase life, and to reduce floret senescence. Vase life of individual flowers of ... -
Reaction of ipomoea batatas (l) lam lines to alternaria leaf and stem blight and effects of soil ph on disease severity
(Department of Plant Science and Crop Protection, University of Nairobi, 2000)This study was carried out to determine the causal agent of blight disease on leaf petiole and stem of sweetpotato in different agro-ecological zones in Kenya, investigate its optimal in-vitro growth and sporulation ... -
Effect of powdered orange and white fleshed sweetpotato (ipomoea batatas) on serum retinol and carotenoid concentration in 3 to 7 years old children in Nambale division Busia district, Kenya
(Department of Food Technology and Nutrition, University of Nairobi, Kabete, Kenya, 2004)The purpose of this study was to determine the effectiveness of the powdered orange fleshed sweetpotatoes (Ipomoea Batatas, SPK 004 also known as Kakamega 4 ) on serum retinol and carotenoids in a sample of one hundred ... -
Yield stability studies in some sweet potato (Ipomea batatas(L) Lam) cultivars in Kenya
(Department of Plant Science and Crop Protection, University of Nairobi, 1988)Sweet potato is an important food crop in Kenya not only because it is a good source of carbohydrates, vitamins and minerals but also because it fits very well in the existing cropping system in Eastern Province of ... -
Influence of topography and soil characteristics on Acacia senegal
(Department of Range Management, University of Nairobi, 1994)A study was conducted to investigate the effects of soil characteristics, topography, sites and seasons on the distribution of A. senegal and on gum arabic production. Relationship between the gum yield and shrub morphological ... -
Comparison of vegetative growth and tuber yield of potato (solanumtuberosum l.) from seedling tubers derived from true potato seed (TPS) with those from conventional seed tubers of parental clones
(Department of Plant Science and Crop Protection, University of Nairobi, 1998)A study to show potato (Solanum tuberosum) tuber yield from seedling tubers derived from true potato seeds (TPS) as planting material was carried out between March 1994 and January 1995 at the Kabete Field Station ... -
Some aspects of production and marketing of sunflower in Kenya
(Department of Soil Science, College of Agriculture and Veterinary Medicine, University of Nairobi, 1974)This thesis is mainly the outcome of a field survey based on administration of questionnaire, verbal interviews as well as on-the-spot observation and analysis or available published information. The first task was to ... -
The influence of phosphorus fertilizers, population density and variety on growth, yield and root quality of carrot (daucuse arota Linn.)
(Department of Plant Science and Crop Protection, University of Nairobi, 1974)The effects of phosphorus fertilizers (0, 92 and 184 kg P205/ha) and population density (666,666, 444,444 and 333,333 plants/ha) on the growth yield and root qu~litj of Nantes and Chantenay carrots were evaluated on ... -
Evaluation of advanced R-gene free potato genotypes for late blight resistance, yield, cooking and processing qualities
(University of NairobiDepartment of plant science and crop protection, 2008)Late blight (Phytophthora infestans) is a major constraint to potato production in the tropical highlands of Kenya causing significant yield losses of 30 - 75% in highland tropics of Kenya. Farmers rely on fungicide ... -
An analysis of factors affecting production and marketing of sorghum in Mwingi district, Kenya
(University of NairobiDepartment of Land Resource Management and Agricultural Technologies,University of Nairobi, 2009)The study was conducted to identify factors constraining sorghum production and the imperfections in the marketing system for the grain; as well as, to investigate factors constraining the commercial use of the grain in ... -
An agronomic evaluation of potato/maize and potato/beans intercrops
(Department of Crop Science, University of Nairobi, 1987)The yields of a potato/maize and potato/bean intercrops, in which the maize and bean planting patterns were modified, were evaluated in the short and long rainy seasons of 1984-85 respectively. The study included two potato ... -
Study of combining ability tests in pyrethrum (chrysanthemum cinerariaefolium vis)
(University of NairobiFACULTY OF AGRICULTURE, 1979)Pyrethrins yield is the most important aspect of pyrethrum breeding, which is mainiy dependent on two major components, flower yield and pyrethrins content. Other important characters are flower size, dry matter cpntent ...