Since most of the soil in Houston tends to be heavy clay, you may need to consider regularly aeration as part of your lawn maintenance program. One way to check if your lawn needs aeration is to excavate a hole about 6” deep. If grass roots have only grown 1-2 inches down, your soil is probably compacted should be aerated with a core machine. Remember the root will be deeper in late spring then summer. This is more likely to be problem if the lawn is used for a garden pathway, parking cars, or just general traffic. Compacted soil can be even worse in areas that have standing water from existing drainage problems. Compaction greatly reduces the pore space within the soil that would normally hold air. The roots of any grass require oxygen to grow and absorb nutrients and water from the soil. If your soil is compacted the pore spaces are reduced and the amount of air, water and nutrients is reduced. This reduction can greatly impact the quality of turf by impacting the nutrient uptake rate and water infiltration rate.
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