Cheptock Psiwa, Rodah2025-07-122025-07-122022-02https://ir-library.ku.ac.ke/handle/123456789/30581A Thesis Submitted in Partial Fulfillment of the Requirements for the Award of Master Degree in Integrated Soil Fertility and Management (ISFM) Department of Agricultural Science and Technology School of Agriculture and Enterprise Development Kenyatta University Supervisors: Benson Mochoge Harun GitariAbstractenOrganic and Inorganic Soil Amendments Effects on Maize Performance, Economic Returns and Phosphorus use Efficiency in Kakamega County, KenyaThesis