1. Background This article focuses on khat production and its trade, (particularly in northern Kenya), its background, magnitude and structure. The study is based on fieldwork in the area during 1973 and 1974 and some follow-up visits there and in neighbouring countries. The "present tense" in the paper normally refers to a situation some five years ago which might have changed. The perspective...

Rift Valley fever (RVF), a mosquito-borne disease affecting ruminants and humans, is one of the most important viral zoonoses in Africa. The objective of the present study was to develop a geographic knowledge-based method to map the areas suitable for RVF amplification and RVF spread in four East African countries, namely, Kenya, Tanzania, Uganda and Ethiopia, and to assess the predictive accu...

Phosphorus deficiency affects around 80% of the acid soils of western Kenya, but fertilizer use is limited due to high prices. This paper explores the potential of local phosphate rocks (PR) as a remedy within the context on an integrated soil fertility management approach. A promising phosphate rock is Minjingu PR (MPR, Tanzania), a sedimentary/biogenic deposit which contains about 13% total P...

Abstract Achievement of the United Nations Sustainable Development Goals (SDGs) is contingent on understanding potential interactions among human and natural systems. In Kenya, goal conserving expanding forest cover to achieve SDG 15 “Life Land” may be related other SDGs because it plays a role in regulating some aspects Kenyan precipitation. We present 40-yr analysis sources precipitation Keny...

Distributing subsidized health products through existing health infrastructure could substantially and cost-effectively improve health in sub-Saharan Africa. There is, however, widespread concern that poor governance – in particular, limited health worker accountability – seriously undermines the effectiveness of subsidy programs. We audit targeted bednet distribution programs to quantify the e...

the objective of this paper is to determine the efficiency of manufacturing companies in kenya over the period of 2009 to 2011 as well as suggesting appropriate policies to be employed by the manufacturing companies in kenya based on the findings of the study. three critical inputs variables (raw materials, staff expenses and plant and machinery) and two output variables (net sale and earnings ...

Uganda is one of the countries out 54 in African Union (AU). It borders Rwanda Southwest, Tanzania South, Kenya east, South Sudan north, and Democratic Republic Congo (DRC) west. still suffering from poverty despite many struggles to fight it. hosting refugees about 1.5 million people who fled country due 2013 2016 political wrangling over leadership among Sudanese leaders. Most displaced cross...