Browsing MST-Department of Environmental Science by Title
Now showing items 67-86 of 214
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Ecological and Economic Benefits of Integrating Fish into Rice Farming at Mwea Irrigation Scheme in Kirinyaga County, Kenya
(Kenyatta University, 2022)In Asia and West Africa, there is growing evidence of the practicality of using fish into rice production. Nevertheless, locally, in Kenya, have not significantly addressed integrating fish into rice farming for economic ... -
Effect of Health Education anf hygiene on blood lead levels, among lead battery workers in Nairobi and Athi River, Kenya
(2012-12-03)Lead is a highly toxic, non-degradable metal that can result in damage to the brain, kidneys, blood, central nervous and reproductive systems. This study sought to identify the effect of health education and improvement ... -
Effect of Intercropping Coffee With Fruit Trees on Coffee Eco-Physiological and Soil Factors at Coffee Research Foundation in Ruiru, Kiambu County, Kenya
(2014-02-24)The coffee plant (Coffea Arabica L) originated in the forests of Ethiopia, where it evolved as an understory tree species. Mimicking this native growth habit, coffee farmers have for centuries grown coffee under shade and ... -
The effect of organic and mineral fertilizers on soil microbial communities in Kabete long-term experiment, Kenya
(2012-04-03)Soil micro-organisms playa key role in determining soil quality. Over 70% of small holder farmers in the central high lands of Kenya are using crop manure, animal wastes and mineral fertilizers to increase their farms ... -
Effectiveness of natural wetland in waste water treatment: a case study of tibia wetland, Limuru Municipality, Kenya.
(2014)Information on wetland function in waste water treatment is very important as the information can be used to detect undesirable qualities of water. The aim of the study was to assess the effectiveness of natural wetlands ... -
Effects of African Elephant (Loxodonta Africana) Population on Vegetation around Water Points In Arabuko Sokoke Forest, Kilifi County, Kenya
(Kenyatta University, 2020)The African elephants (Loxodonta africana) are keystone species in its ecosystem. They have been ranked by the International Union on Conservation of Nature (IUCN) as vulnerable species and are of high conservation ... -
Effects of Commercial Chemical Products on Maize Yield in Different Agro-Ecological Zones in Kenya
(2013-03-19)Crop production in Central and Western Kenya is mainly restricted by nitrogen (N) and phosphorus (P) deficiency and limited investment capacity in Nand P inputs by smallholder farmers. Nutrient inputs to the soil are ... -
Effects of different maize (Zea mays L.) – soybean (Glycine max (L.) Merrill) intercropping patterns on yields and land equivalent ratio
(Journal of Cereals and Oilseeds, 2013-07)A feeding trial was conducted to investigate the effects of diets containing two sources (S) of protein, soybean meal (SBM) and groundnut cake (GNC) combined with 7.5 and 15% levels (L) of inclusion of wheat offal on growth ... -
Effects of fertilizer-N and organic resource management on soil aggregates formation and carbon cycling in the central highlands of Kenya
(2012-04-10)The maintenance of proper levels of soil organic matter (SOM) has been advocated as one of the main ways of combating soil fertility decline in sub Saharan Africa (SSA). SOM levels can be increased through increased aggregate ... -
The effects of grevillea robusta trees on some soil chemical and physical propertis in semi arid areas: "a case study of Katheka-kai and Katelembu locations of Mumbu Division , Machakos district, Kenya"
(2011-12-14)This study was an "Analysis of the fertility of soils under Grevillea robusta trees in the Katheka-Kai and Katelembu locations of Mumbuni Division, Machakos District, Kenya". On - farm research was undertaken in the ... -
Effects of Human Activities on Water Quality of Rupingazi River, Embu County, Kenya
(Kenyatta University, 2017-06)Quality of water in rivers and lakes depends on physical, chemical and biological properties. Inland water resources in Kenya are under pressure of pollution from agrochemicals, municipal and other domestic wastes variably ... -
Effects of Inorganic and Organic Fertilizers on Nutrient Uptake, Soil Chemical Properties and Crop Performance in Maize Based Cropping Systems in Eastern Province of Rwanda
(2014-02-26)The Eastern province of Rwanda is highly populated. This has led to continuous cropping systems without addition of external fertilizers to compensate losses due to removal of grains and residues through harvesting. In ... -
Effects of Landscape Structure and Bioclimatic Variables on Pollinators in Avocado Production Systems in Murang’a County, Kenya
(Kenyatta University, 2022)One of the most essential ecosystem regulatory services is pollination. It enables the direct production of pollination-dependent food crops such as avocado. Recent climate change and human activities have affected landscape ... -
Effects of Longterm Application of Organic Residues and Inorganic Fertilisers on Soil Microbial Biomass, Diversity and Activities in Nyabeda, Siaya County, Kenya
(Kenyatta University, 2019-04)Food insecurity is a global problem exacerbated by poor agricultural productivity due to poor soil health, soil infertility, and improper agricultural management practices. Conservation agriculture (CA) practices have been ... -
Effects of organic materials and inorganic fertilizer on soil microbial biomass at Kabete, Kenya
(2011-12-07)Recently, the issue of sustainable agro ecosystem production has been of great concern. This has led to the need of understanding and developing management strategies, which conserve and protect the soil resources. Micro ... -
Effects of pollution on the Motoine river dams, Kenya
(2011-10-27)The study assessed the status of the environment of Motoine River dams in Nairobi area. The main aim of the study was to assess the physical and chemical quality of water in dams with an emphasis on nutrients and heavy ... -
Effects of rain and sewage irrigation on heavy metal concentrations of spinach, kales and soils in Maili Saba village, Nairobi, Kenya
(2011-10-28)The study set out to quantify and document the relationships between sewage irrigation and heavy metal content of soils and leafy vegetables during the dry season; and compare it with heavy metal content of rain fed leafy ... -
Effects of rainfall variability and integrated soil fertility management on maize productivity in Embu county, Kenya
(Kenyatta University, 2015)Drier parts of Embu County endure high atmospheric heat, prolonged dry spells, declining soil fertility and erratic rainfall. Local soil and climatic variability contributes to large variations among replications of ... -
Effects of Sand Harvesting on Water Quality in River Thwake Machakos County, Kenya
(Kenyatta University, 2019-05)Sand harvesting is a common economic activity globally and has environmental effects on the riparian land as well as the quality of the river water the activity is carried out. The associated environmental and water quality ... -
Effects of selected limiting nutrients on growth and yield of maize and their variability in smallholder farms of Kandara, Murang’a County.
(Kenyatta University, 2015-11)Nutrient mining and mismanagement of farmers’ fields has led to a decline in soil fertility in smallholder farms. In order to increase the productivity and subsequently improve food security in Sub-Saharan Africa (SSA), ...
