Ndeleko, Mwake Emily2025-07-122025-07-122022-12https://ir-library.ku.ac.ke/handle/123456789/30606A Research Thesis Submitted in Partial Fulfilment of the Requirement for Degree of Master of Environmental Science in the School of Agriculture and Environmental Sciences of Kenyatta University, December 2022. Supervisor Monica W. Mucheru-Muna Ngetich Kipchirchir FelixAbstractenEffects of Minjingu Phosphate Rock Fertilizir on Maize, Yield and Soil Chemical Composition in Acidic Soils of Tharaka-Nithi County, KenyaThesis