What to do when turfgrass floods

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Keith Kitchen Sudden changes in climate, environmental changes and even other people’s irrigation techniques, can combine in a perfect way and flood the field. This catastrophe is usually unpreventable and the only recourse is to start over and renovate the entire field. Turfgrass is used for various fields, but is primarily seen in athletic fields, such as soccer and football fields. The following should help any owner or field manager remediate a flooded field.

First things first: Access the Damage There isn’t much anyone can do while the field is still actively flooded. The first thing the field manager must do is access the damages, but after waiting for the water levels to lower and dry out. It can take as little as only four days under water for turf loss to become apparent and a problem. When a field becomes flooded for an extended period of time, it will lose oxygen as well as its color.

However, it is important to wait as long as possible before attempting work. It can take up to two weeks for the field to dry out and become workable and working prematurely can lead to more damage. The method of care differs if the turf was treated with silt deposits or if it wasn’t treated.

Repairing the Damage Repairing the damages on a turfgrass field that has not been treated for silt deposits is a bit simpler then the latter. Use a nitrogen aerator to oxygenate the soil in areas of the field that are in need. Following this, replace the topsoil with about five inches that the water has pushed away. Mixing soil with sand can improve the existing portions of the field that may need a bit of extra care.

Most likely, the field that flooded is going to have silt deposits that make their way from local streams, rivers and the city. The first step here is to remove all the junk and scrap that has made its way to the field. During a particular bad storm, it isn’t uncommon to find wood, glass, metal and other types of debris. This is not only a safety issue, but makes doing any work impossible. Likewise, organic debris can be just has hazardous for the lawn. It is important to remove dead leaves, sticks and even dead vermin as they could cause further damage by smothering the grass.

If there is only a small amount of silt (less than an inch), then the silt must be removed from the turfgrass’ surface. There isn’t an easy way around this job. Someone can’t simply spray the silt debris away. It will take some physical labor to remove all the deposits. A steel garden rake can destroy the silt deposit but can uproot the turfgrass below and potentially double the work. Of course, the field will need to be oxygenated by using an

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aerator (nitrogen or otherwise).

Finally, if there are many inches of silt deposits on top of the lawn, it may be impossible to fix the damages. The field manager can try to remove as much of the silt deposit as possible to prevent any further damage to the turf. Unfortunately, if over %25 of the field is dead and not growing; then the only option here is to start over completely with new turfgrass.

To read more about turfgrass, visit our website blog: http://cwsportsturf.com/blog/ Image Credit: http://en.wikipedia.org/wiki/Northern_Highlands_Regional_High_School http://www.rgbstock.com/bigphoto/nEQETk6/Flooded+golf+course

Owner at Growing up on a working farm that feeds your family gave Keith an appreciation for the importance of planning for growth.

It was corn and peanuts then, now it sports turf. After graduating from Virginia Tech with a Bachelors of Science in Agricultural Economics and spending 5 years with Southern States, Keith partnered into a new business venture overseeing natural turf maintenance for Luxury Lawns, a startup maintenance company. Continued growth over 20 years has placed Luxury Lawns, a company Keith now owns, in the top small businesses in the Midlothian area specializing in residential turf management, landscape design and installation, and hardscape applications. After success in the residential turf market, Keith launched and now manages the day to day operations of the business.

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9/5/2014 9:07 PM