Clay Robinson, Ph.D., CPSSc, PG


Soil Science, Iowa State University
1988 MS Plant Science, West Texas State University
1984 BS Agriculture, West Texas State University, Magna cum Laude



2014 - present 
Agronomy and Soil Science Education Manager
Affiliation of Crop, Soil, and Environmental Sciences
2011 - 2014 Senior Soil Scientist, Stetson Engineers Inc.
2007 - 2011
2000 - 2007
1994 - 1999
Plant, Soil and Environmental Science
Associate Professor
Assistant Professor
1993 - 1994 
1992 - 1993
Assistant Professor
Instructor, Farm Manager
1988 - 1992 Teaching and Research Assistant, Iowa State University
1986 - 1988 Research and Teaching Assistant, West Texas State University
1984 - 1986 Research Technician, ARCO Seed Company, Triticale Division


Professional Organizations

Dr. Dirt on the rim of the Grand Canyon


Though no longer teaching university classes, I still believe teaching is among the most critical professions in society.
The rapidly growing knowledge base poses many challenges. 
Students of all ages must become self-motivated learners to stay current in their careers as they progress through the mid-21st century.  
Teaching is a passion and lifestyle for me, as much as breathing, worshiping God, or sharing Jesus Christ.
  Emphasize basic principles
  Encourage life-long learning
  Enhance critical thinking
  Encourage ability to synthesize principles with new information
  Broaden horizons
Now I am responsible for coordinating and developing continuing education materials for practicing professionals certified by the Societies, including Certified Crop Advisors, Certified Professional Agronomists, and Certified Professional Soil Scientists. I collaborate with scientists and educators around the nation to develop webinar series to address current and developing issues in the environmental arena and in agricultural production. 
Another focus of my position is reaching out to other audiences that would benefit from knowing more about soil.
These audiences may include groups involved in reclamation, bioremediation, waste management, urban and land use planning, applied engineering, and landscape architects, as well as homeowners managing lawns and gardens. 


As an academic, my research focused on the interaction of climate and agricultural management systems on soil properties. 
The primary climatic conditions included temperature and growing degree days, precipitation (amount, timing, rate), evaporation and evapotranspiration.
The management systems included cropping systems, rotations, tillage systems, range and grazing management, and grass species.
The soil properties included organic and microbial carbon, nitrogen, soil physical properties, soil-water relations (infiltration, conductivity, holding capacity).
Systems that maintain more residues on the soil surface sequester more carbon, limit erosion and evaporation, and are more efficient in storing and using precipitation.
In much of the semiarid Great Plains, water supplies for irrigation are diminishing in quantity and quality, and preparation is needed to understand how to convert irrigated systems to dryland production.
A long-term goal for the sustainability of agriculture and humanity is to develop and promote systems (agricultural and others) that are environmentally sound and economically feasible for producers and their communities at home and around the world.
I worked with the Dryland Agriculture Institute which funded graduate research assistantships. 
The institute hosted an International Training Workshop in Sustainable Agroecosystems and Environmental Issues from 1994 through 2001, hosting more than 200 scientist teachers and researchers, and administrators from more than 30 countries. The Workshop took the participants on a 5,000-km tour of the semiarid Central and Southern Great Plains, visiting with research and extension personnel at USDA-ARS and state centers, and visiting with farmers.