Irrigation/Drainage

 

Irrigation/Drainage



Irrigation/Drainage
Irrigation and drainage are key components to any athletic field management program. The following information provides facts and advice for proper irrigation and drainage strategies. 


Rootzone Selection 
Understanding the basic soil makeup is the first step to better irrigation practices and drainage. 
The following is a guide to understanding the effect your athletic field rootzone has on water availability. 

As water is applied to an athletic surface either by precipitation or irrigation, the water can:
• enter the rootzone. From there it can be taken up and used by turfgrass plants, lost to evapotranspiration, or percolate through the rootzone to recharge groundwater supplies. 
• runoff the surface. 
• evaporate into the atmosphere. 

Rootzone construction is extremely important for how water enters and moves through the soil. The rootzone can affect water availability, and water tables. It is important to know the makeup of your rootzone in order to determine proper irrigation practices and what to expect with rain events. 

Rootzone Construction (m)
Water Availability (m)
Water Tables (m)



Irrigation 
Irrigation is necessary for athletic fields to supply moisture for turfgrass growth, wash in fertilizers and some pesticides, reduce surface hardness caused by heavy field use, promote seed germination, reduce tissue temperature during severe heat and drought stress, and contribute to overall player safety. On baseball fields, irrigation helps reduce dust and improves traction for players. 

The goal of irrigation is to maximize precipitation and irrigation and minimize losses due to evaporation, transpiration, runoff, leaching or drainage. Effective irrigation applies enough water to soak the rootzone but avoids loss to drainage or runoff. 

Amount and Frequency for Irrigation Application (m)
Irrigation Systems (m)



Drainage 
Drainage is one of the most important issues when managing a sports field. Your field will not perform well if you do not have surface or internal drainage in place. Surface and subsurface drainage problems, such as standing water and high water tables, can pose a safety hazard to athletes and other users. These problems can also cause cancellation or postponement of events due to field closure. It is important to understand what types of drainage will work best for your field to enhance user safety and reduce field closures. 

Drainage Solutions (m)


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Websites
Irrigation Association 

Hunter Irrigation Sports Field System Design

University of Minnesota - Soil Water Concepts 

Ohio State University - Understanding Agricultural Drainage 

Ohio State University Podcast - Irrigation System Maintenance 

Ohio State University Podcast - Water Use Rates 

Ohio State University Podcast - Drought Stress 

Penn State University - Beneath the Surface 

Penn State University - Gravel Drainage Specifications 

Penn State University - Principles of Turfgrass Irrigation 

Texas A&M University - Turfgrass Rootzones 

Texas A&M University - Water Management on Turfgrasses 

University of Georgia - Water Conservation and Use-Efficiency 

US Drought Monitor 

 

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Articles/Tips/Guides

Interpreting Irrigation Water Test Results

Using Recycled Water on Golf Courses

Turf and Landscape Best Management Practices 

Iowa State University - Procedure for Selecting a Sand Rootzone 

Penn State University - Understanding Field Drainage 

University of Kentucky - Sports Field Irrigation 

Michigan State University - Improving Native Soil Athletic Field Drainage

Michigan State University - Best Management Practices for Non-Agricultural Irrigation 

University of Tennessee - Irrigation 

University of Massachusetts - UMass Guidelines for Watering Turf 

North Carolina State University - Tools for Turfgrass Irrigation Water Management 

North Carolina State University - Water Requirements of North Carolina Turfgrassess

SportsTurf Magazine - Renovating your turf? Try this drainage option 

SportsTurf Magazine - Managing sports fields during water restrictions 

Golf Course Management Magazine - Irrigation problems due to a microorganism 

Recommended Irrigation Audit Guidelines 

Troubleshooting Your Irrigation System 

Turfgrass Cultivars for Water-Limited Environments