Doug Collins is an Extension Professor and Soil Scientist with WSU’s Center for Sustaining Agriculture and Natural Resources. Doug has a Ph.D. in soil science from Washington State University and an M.S. in Plant Pathology from Montana State University. He focuses on managing and monitoring soil fertility on diverse organic vegetable farms, composting systems, and evaluating soil quality in different vegetable cropping systems – including organic reduced tillage. Doug is also interested in soil variability across landscapes and biological indicators of soil quality. He has also consulted on composting, organic waste management, and soil health in the Dominican Republic and Colombia and currently serves on the Board of Washington Organics Recycling Council and the WSDA Organic Program.