I am the Sustainable Soils Research Fellow at Rothamsted Research, acting now as a consultant after retiring on 31st March 2017. I joined Rothamsted in 1974 and gained my PhD at Imperial College in 1980. My research has included the supply to crops of potassium and phosphorus from the soil, ion exchange, acid rain, soil acidification and liming, nitrogen losses to air and water and climate change. My current focus is nutrient, especially nitrogen cycling, soil quality and sustainable agriculture.
Honorary Professor, University of Exeter, 2012-.
Visiting Professor, University of Nottingham, 2003-.
Visiting Professor, China Agricultural University, Beijing, 2004-.
Chartered Scientist (CSci), registered 2005
Fellow of the Institute of Professional Soil Scientists, elected 2002.
Honorary Fellow of the Royal Agricultural Society of England, elected 2010.
I was awarded the Royal Agricultural Society of England Research Medal for 2003 for research on diffuse
Like many scientists who have worked on Climate Change, in 2007 I was awarded a certificate by the Inter-government Panel on Climate Change (IPCC) for my contribution to the award of the 2007 Nobel Peace Prize to the IPCC.