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Leaf stomata conductance, leaf water potential and soil water status in panicum maximum (JACQ.) in disturbed and non-disturbed microsites in a semi-arid ecosystem in Kenya
(Jomo Kenyatta University of Agriculture and Technology, 2011)
Tropical semi-arid ecosystems are intricate ecosystems characterized by
alternating dry-wet cycles. The question of how trees and grasses coexist under a
considerable range of environmental and management conditions has ...
The evolution of pyrimethamine resistant dhfr in Plasmodium falciparum of south-eastern Tanzania: comparing selection under SP alone vs SP+artesunate combination.
(University of Nairobi., 2011-10)
BACKGROUND:
Sulphadoxine-pyrimethamine (SP) resistance is now widespread throughout east and southern Africa and artemisinin compounds in combination with synthetic drugs (ACT) are recommended as replacement treatments ...
Biosorption of heavy metals using water hyacinth Eichhornia crassipes (Mart.) solms-Laubach: adsorption properties and technological assessment
(University of Nairobi, Kenya, 2011)
The adsorption of heavy metal ions (Cd2+), Cu2+), Pb2+) and Zn2+) by untreated water hyacinth Eichhornia crassipes obtained from Lake Victoria, Kenya was investigated under batch mode. A The effects of sample part, particle ...
Molecular characterization and identification of biocontrol isolates of Trichoderma harzianum from Embu district, Kenya
(2011)
Species in the genus Trichoderma are important commercial source of several enzymes, biofungicides and growth promoters. The most common biological control agents of the genus are strains of T. harzianum, T .viride and T. ...
Bioactivity of 'Flemingin A' and other Natural Products from the leaves of Flemingia grahamiana
(2011)
Flemingia graharriiana (Wight & Arn.) is an erect herb or sub-shrub up to 1.8 m tall with deep
(sometimes tuberous) roots and 3-foliate alternate leaves. It is distributed in Tropical Africa and
occurs in open and wooded ...
Thermal and compositional defects in chemical spray pyrolysed indium selenide (In2Se3) thin films: Effects on film properties
(2011)
Polycrystalline In2Se3 semiconducting thin films were synthesized by chemical spray pyrolysis and their properties
investigated. Strong dependence of structural and opto-electronic properties on film composition was ...
Our universe: a physics Perspective on its structure and Destiny
(2011)
One of the greatest strengths of the human
consciousness is the ability to conjure up plausible
concepts, models and logical schemes on the
relational unity of our reality. This is achieved on
the basis of innate ...
Beyond the vertical? Using value chains and governance as a framework to analyse private standards initiatives in Agri-food chains
(University of Nairobi, 2011-09)
The significance of private standards and associated local level initiatives in agri-food value chains are increasingly recognized. However whilst issues related to compliance and impact at the smallholder or worker level ...
Promoting mathematics in Africa through the African Mathematics Millennium Science Initiative (AMMSI)
(Uppsala University and the authors, 2011)
The African Mathematics Millennium Science Initiative (AMMSI)
is a distributed network of mathematics research, training and promotion
throughout sub-Saharan Africa. The main objectives of AMMSI include
strengthening ...