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Effects of added biomass, soil pH and calcium on the solubility of Minjingu phosphate rock in a Kenyan Oxisol
(2006)
The effect of added biomass (dried leaves) of tithonia (Tithonia diversifolia [Hemsley] A. Gray), soil pH, and soil calcium (Ca) saturation on the dissolution of Minjingu phosphate rock (MPR) was examined in two incubation ...
The African Green Revolution and the Role of Partnerships in East Africa
(University of Nairobi,, 2006)
Sub-Saharan African (SSA) region continues to experience perennial hunger, poverty and poor health of its people. Agricultural production has remained low over decades and is declining to extremely low staple maize yields ...
Composting cattle manure from zero graziing systems with agro-organic waste to minimise nitrogen losses in smallholder farms in Kenya. Tropical and Subtropical Agro ecosystems 2006 (6)
(University of Nairobi, 2006)
Livestock manure is a valuable source of plant nutrients
for crop production in the Central Kenyan highlands but
its quality in terms of available nitrogen (N) is low due
to considerable N losses through ammonia ...