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Aeration, Overseeding, and Topdressing: Why Fall?

September 13, 2022 | Categories: ,

You probably know that fall is the time to aerate, overseed, and topdress the turf areas on your baseball or softball field, but do you know why? Keep reading to learn more about these maintenance practices and their significance this time of year. 


Fall is the best time for hollow tine and deep tine aeration because those practices—though beneficial— are stressful to turfgrass. Since other stressors are generally minimal in the fall, it’s an excellent time to aerate. Fall aeration also allows the plant to recover more quickly because the soil temperatures are still warm. Lastly, aeration promotes successful fall overseeding.


Cool air temperatures and reliable rainfall make this time of year ideal for annual overseeding. Fall provides optimal conditions for seedlings to germinate and establish with time before cold winter temperatures arrive. Overseeding promotes turf density, which provides a safer playing surface for athletes.


Finally, fall is the best time for topdressing because the turfgrass is still actively growing and standing upright. That makes it easier for the topdressing material to reach the soil surface. When you topdress after aeration, the material can help improve soil structure and drainage even more effectively. Topdressing also contributes to a healthy seedbed, which is helpful if you complete it in conjunction with overseeding.

Aeration, overseeding, and topdressing are all significant fall maintenance practices. As you’ve seen, their benefits compound further when you strategically schedule them around one another. Consult your ATS representative for help planning fall maintenance practices on your field this year. 

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