Dr John Williams

Head of Soils and Nutrients

John Williams is Head of Soils and Nutrients at ADAS with over 30 years experience. He is a Chartered soil scientist, FACTS qualified and his research interests include the utilisation of organic materials, nutrient management and diffuse pollution mitigation.

John provides strategic policy advice to government, levy bodies and water companies on soil and nutrient management. He has also authored or co-authored over 100 scientific papers and technical documents.