- Clayton is a Lecturer in Soil Science in the School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences. His research interests include soil organic matter and nutrient cycling, soil acidity, soil-plant interactions and climate change in Agricultural systems. He is particularly interested in expanding research activity and developing new linkages in the areas of nutrient re-use and recycling, agricultural waste management, soil contamination/remediation and sustainability. From 2019, he will coordinate a new subject ‘Soil Fertility and Nutrient Management’ (AGRI30047). Clayton has a BSc (Hons) from Murdoch University and a PhD in Soil Science from The University of Adelaide. He was awarded the K P Barley Prize (Faculty of Science) and the C G Stephens Award (Soil Science Australia) for his PhD thesis. Prior to joining The University of Melbourne, Clayton held post-doc positions at La Trobe University and worked on a number of research projects in cropping systems across Australia. He is the current Treasurer of the Victorian Branch of Soil Science Australia and holds Certified Professional Soil Scientist (CPSS) accreditation.