BAKARE, ADEWALE WASIU2026-09-222026-09-222024-08-15https://ir.funaab.edu.ng/handle/123456789/718A Thesis submitted to the Centre or Excellence in Agricultural Development and Sustainable Environmcnt, Federal University of Agriculture, Abeokuta, Nigeria in partial fulfilment of the requirements for the award of degree of Doctor of Philosophy in Environmental System and Climate Change.enPRODUCTION OF BIOGAS FROM CO-DIGESTION OF ANIMAL DUNGS, WATER HYACINTH AND PALM OIL MILL EFFLUENT AND POTENTIALS OF THE SLURRY AS SOIL AMENDMENTThesis