Evaluation and analysis of carbon stocks in pasture, agro-pastoral and silvo-pastoral systems in sub-ecosystems of the American tropical forest
The multiple roles of organic resources in implementing integrated soil fertility management strategies
Mejoramiento poblacional y obtención de líneas de arroz para el ecosistema de sabana: Proyecto CIAT/CIRAD
Nitrogen fertilizer equivalency values for different organic materials based on maize performance at Kabete, Kenya
Effect of combining organic and inorganic phosphorus sources on maize grain yield in a humic-nitisol in Western Kenya
Use of organic and inorganic resources to increase maize yields in some Kenyan infertile soils: a five-year experience
Combined use of Tithonia diversifolia and inorganic fertilizers for improving maize production in a phosphorus deficient soil in Western Kenya