Browsing Faculty of Agriculture & Veterinary Medicine (FAg / FVM) by Author "Gichuki, FN"
Now showing items 1-20 of 32
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Biological and water-harvesting measures for gully control
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The Arpolo gullying control project in the West Pokot Region of Kenya is described. This is an example of conservation work done to protect the Arpolo dispensary which cost >KES350,000 to put up and serves about 3,000 ... -
Development of a multi-disciplinary approach to improve the management of soil fertility by smallholder farmers: experience of the TSBF programme.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)This paper outlines the development of a new methodology to modify and improve the indigenous practices of soil fertility management in Eastern and Southern Africa and suggests requirements for involvement by collaborating ... -
Effect of micro-catchment size on survival and growth of two semiarid tree species.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The effects of three different micro-catchment sizes on survival and growth of plant species was assessed and success in establishment and growth of Croton megalocarpus and Cassia spectabilis was compared in a semi-arid ... -
The effect of variations in maize stover placement on maize growth and nitrogen uptake in continuous maize cropping systems in two regions of Kenya.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)Stover placement (surface mulch, incorporated or a mixture of mulch and incorporation) was compared with stover removal in the presence and absence of 50kg N fertilizer/ha in trials over two successive seasons in continuous ... -
The effect of varying rates of compost and diammonium phosphate on soil physical properties and crop performance.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)Long-term use of compost (4, 8, 12 or 125 kg/ha for maize and 10, 20, 30 or 200 kg/ha for beans) on improving crop yields and soil physical characteristics was studied at the steep-land research site, Kabete campus, Kenya. ... -
Effectiveness of three grass species as filter strips for soil conservation on cropland.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,Department of soil science,, 2000)The effectiveness of different grass spp. in reducing runoff and soil loss was studied at Kabete campus, University of Nairobi, Kenya. Half metre wide strips of Napier grass (Pennisetum purpureum), Nandi setaria (Setaria ... -
Effects of phosphorus supply on the growth and nodulation of cowpeas.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The effects of P supply (0, 20, 40, 80, 160 and 320 kg/ha) on growth and nodulation of cowpeas (Vigna unguiculata) cv. Vita 4 and Ife Brown grown in a podzolic soil (Haplustult) was studied in a greenhouse trial. The seeds ... -
Environmental and land-use consequences of sand harvesting in Masinga division.
Gichuki, FN; Mungai, DN; Gachene, CKK; Thomas, DB (University of Nairobi,college of agriculture and veterinary sciences,, 2000)This paper examines the impact of sand harvesting from rivers on the environment, land use and social life in the Masinga Division, Machakos District, Kenya. Sand acts as a safe aquifer for water flowing below and through ... -
Environmental impact assessment for water development and conservation.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The possible environmental impacts of water development projects and land use practices such as deforestation and over grazing on water supply in Kenya are reviewed. Measures that can be taken in conjunction with properly ... -
Erosion scars caused by earthflows: a case study of Ol Joro Orok division, Nyandarua district
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)This paper describes earthflow features in Nyairoko sub-location of Ol Joro Orok Division, Kenya. In 1989 more than 900 earthflows were counted in Nyandarua District, most of them in Ol Joro Orok and Ol Kalou Divisions. ... -
An evaluation of gully control measures in Central Province, Kenya.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)Forty controlled gullies distributed in Kiambu, Murang'a and Nyeri Districts of Central Province, Kenya, were randomly selected to evaluate their control measures. A recording schedule was developed to assist in collecting ... -
Factors affecting land use and crop production in Botswana.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)This paper looks at factors which influence land allocation and crop production patterns in Botswana, across traditional and commercial farmers. It found that, among smallholder traditional farmers, less land is used (on ... -
From problem diagnosis to zoning: new avenues for collaborative research and development.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000) -
Hedgerows for control of soil erosion in Kabale, southwest Uganda.
Gichuki, FN; Mungai, DN; Gachene…, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)Runoff and soil loss was studied on steep terraced slopes containing various combinations of lines of Grevillea robusta, hedgerows of Calliandra calothyrsus and strips of Pennisetum purpureum in Kabale, southwest Uganda. ... -
The impact of climatic changes on land and water resource management in Kenya.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The implications of global climatic change on water resource development and management in Kenya was examined. The extent to which the water resources of the various regions of Kenya will be affected and the effects on ... -
Impacts of land-use practices on natural forests and watersheds in the lake Nakuru catchment basin.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)Trends in land use practices in the Lake Nakuru catchment area and, in particular, the causes and impacts of deforestation, which threaten the lake's unique ecology. It addresses the importance of natural forests for the ... -
Influence of dwarf shrubland vegetation communities on soil loss, organic matter and soil texture: a northern Kenya experience.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The effect of wind erosion in areas subjected to continuous pastoral use compared with the effects of rangeland rehabilitation in areas subjected to natural recovery were studied at four sites in eco-climate zone VI in the ... -
Intake sedimentation: a case study of JKUAT intake
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)A model of the Ndarugu riverbank intake, Kenya, was used to test various possibilities of weir construction. It was found that by narrowing the river near the intake to increase velocity, sedimentation was drastically ... -
Land and water management for sustainable agricultural production.
Gichuki, FN; Mungai, DN; Gachene, CKK; Suguna, DO (University of Nairobi,college of agriculture and veterinary sciences,, 2000)The constraints on land use and water resources for sustainable agricultural production in Kenya were assessed during May to September 1992 using questionnaires and personal interviews along with existing secondary data ... -
Land-use planning, development and policy for rural Kenya.
Gichuki, FN; Mungai, DN; Gachene, CKK (University of Nairobi,college of agriculture and veterinary sciences,, 2000)This paper is concerned with policy and development issues relating to the planning of rural land use in Kenya. The central theme of the analysis is the critical and urgent need for sustainable land use. Based on a study ...