Aeration
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What is aeration and what does it do? Aeration is a mechanical process which punches holes in the ground and pulls out cores of soil allowing air, water and nutrients to enter the soil more easily.
Key Benefits to Aeration are:
| Increased air, water and nutrient movement to the root zone |
| Intensifies decomposition of thatch |
| Helps relieve soil compaction |
| Stimulates new growth |
| Improves drainage |
| Provides a better environment for over-seeding |
| Increases the effectiveness of fertilizers and control products |
| Incorporates organic matter into the soil |
Compacted
soil does not allow air, water or nutrients to enter the root zone.
Turfgrass roots need air just like we do to survive. A tight packed soil
will keep these vital nutrients from reaching the roots.
A mechanical device called an aerator punches holes using a
hollow tine to remove plugs or cores from the ground. This can be self
propelled aerator or a tow behind model (as pictured above).
Removing the
plug or core, allows the soil to loosen which then allows more air, water and
nutrients to enter the soil, improving the lawn.
Below you can see how turfgrass roots can be restricted in a compacted soil. In the second picture you can see where the roots are beginning to spread out and the grass is improving. In the last picture, the holes for the cores have filled in with new turfgrass growth and the grass is stronger due to the roots growing stronger, and deeper.
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Last modified March 2, 2003