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Aeration

Aeration . Symptoms of soil compaction . Overall poor turf quality Standing water after rainfall Poor response to fertilizer Root growth is restricted Decreases the soils temperature Low oxygen levels. Controlling these symptoms.

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Aeration

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  1. Aeration

  2. Symptoms of soil compaction • Overall poor turf quality • Standing water after rainfall • Poor response to fertilizer • Root growth is restricted • Decreases the soils temperature • Low oxygen levels

  3. Controlling these symptoms Aeration is key to controlling soil compaction

  4. Benefits of aeration • Increase water, oxygen and nutrient movement into the soil • Improve rooting • Improve infiltration of water • Increase activity of soil micro-organisms that decompose thatch

  5. What is Aeration? • Lawn aeration involves the removal of small soil plugs or cores out of the lawn

  6. Spiking

  7. How to know if aeration is needed? • Remove a square foot section of lawn at least 6 inches deep. If grass roots extend only into the first 1-2 inches, your soil may be compacted and could benefit from core aeration.

  8. When not to aerate? • A lawn that is not exposed to soil compacting events will likely grow well and may not need aerification. Winter freezing and thawing cycles and earthworm activity can help loosen slightly compacted soils. If the lawn has a thatch layer in excess of 1/2 inch, then core cultivation can be used as a preventative approach to control excess thatch build up. Newly seeded or sodded lawns should not be aerated in the first year.

  9. When to aerate? • the best time to aerate cool season lawns of tall fescue and Kentucky bluegrass is in late August to mid September. This is when these lawns are coming out of summer dormancy and beginning a period of vigorous growth. Lawns will recover quickly from aeration at this time. Competition from weeds is also minimal during this time. Warm season lawns like bermudagrass and zoysiagrass are best aerated during June and July, as this is their period of rapid growth.

  10. Types of aerators

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