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USGA and Texas A&M Team With Airfield’s AirDrain Natural Turf Drainage

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Comparison of Putting Greens Constructed with AirField Systems and USGA Design


Kevin McInnes and James Thomas
Texas A&M University

A Comparison of water drainage and storage in putting greens built using Airfield Systems and USGA methods of construction researched at Texas A&M.

After an extensive five year study coordinated by Texas A&M University in conjunction with the USGA the lab confirmed what our customers see in the field:

AirDrain is an incredible performer.  Holding up to 3  more days of plant available water that can be utilized by turf roots creates a nearly perfect perched water table.  Combine that with the root gas interchange available through the AirDrain void space, and you have the strongest plant roots, the healthiest turf, and a drastically reduced watering and maintenance schedule.

Take it from the leading experts in agronomy representing decades of turf excellence – AirDrain Agronomic Natural Turf Drainage is the superior drainage system to build your field on.



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Dr. Kevin McInnes

Professor of Soil and Environmental Physics in the Department of Soil and Crop Sciences, Texas A&M University.  Dr. McInnes teaches the undergraduate and graduate courses in Soil Physics and teaches a graduate course in Environmental Physics.  Dr. McInnes has more than 60 referred publications.  He has attracted more than $4 million in research funds from State and Federal sources to support his research projects.  Dr. McInnes is a Fellow of both Soil Science Society of America and the American Society of Agronomy.  He is a licensed Professional Geoscientist.  Prior to being employed by Texas A&M in 1988, Dr McInnes was a Research Scientist with the Commonwealth Scientific and Industrial Research Organization in Australia.  He received his Ph.D. in Agronomy from Kansas State University, and his B.S. and M.S. degrees in Agronomy and Soil Science, respectively, from Washington State University.

Mr. James Thomas

Senior Research Associate with the Department of Soil & Crop Sciences.  His professional interests are in the design and use of high sand content rootzone mixtures, soil-plant relations, and environmental preconditioning of plan responses.  Mr. Thomas has a B.S. in Agronomy from Delaware Valley College of Science & Agriculture, and a M.S. in Plant Physiology from Texas A&M University.  He is President of Thomas Analytical Services, Inc., and President of Thomas Turf Services, Inc.  Mr. Thomas is a licensed Professional Soil Scientist, a Certified Nutrient Management Specialist, and a Certified Professional Agronomist.  He has co-authored 85 peer reviewed scientific publications and 6 non-refereed publications.