A Contemporary Handbook of Crop and Soil Sciences

Author Biography

Dr Brown Mang Onwuka is a distinguished soil scientist and climatology researcher with a specialization in Soil Physics and Conservation, particularly Soil Climatology. He holds a PhD in Soil Physics and Conservation from Michael Okpara University of Agriculture, Umudike (MOUAU), Nigeria, where his doctoral research focused on the spatial and temporal distribution of soil hydrothermal properties and their relationships with climate variability in Abia State, Nigeria. Dr Onwuka is currently serving as a Lecturer in the Department of Water Resources Management and Agrometeorology at MOUAU.Dr K. O. Orji obtained his BAgric (Crop Science) and MSc (Crop Production) degrees from the University of Nigeria, Nsukka in 2004 and 2014, respectively. He obtained his PhD in Crop Production and Physiology from Michael Okpara University of Agriculture, Umudike, Nigeria in 2019. He was the Examination Officer in the Department of Agronomy, which is now the Department of Crop and Horticultural Sciences, between the 2019/2020 and 2024/2025 academic sessions. Currently, he is the Deputy Dean of the College of Crop and Soil Sciences.Uchenna Jonathan Nwokeh is a soil microbiologist and has conducted several research activities on plant-growth-promoting rhizobacteria. His research has extended to the study of bacterial activities around the plant rhizosphere. He is a lecturer at the Michael Okpara University of Agriculture and did his doctoral degree at the Federal University of Agriculture, Abeokuta, Ogun State, Nigeria.