Mr Elkhtab Mohamed Abdalla is a researcher at the Environment and Natural Resources Research Institute, National Centre for Research, Sudan. He holds a Bachelor’s of Sciences Degree in Agriculture (Soil and Environment Sciences) and a Master’s of Sciences Degree in Agriculture, University of Khartoum. Also, he holds a certificate of the advanced course in agriculture, from Ankara University, Turkey and a certificate of Short courses in remote sensing with special emphasis on digital image processing from Indian Institute of Remote Sensing, Dehradun, India. His research of interest in soil organic carbon soil chemistry, land degradation and soil conservation fertility.