Core aeration
Revision as of 12:17, 20 September 2005 by 140.254.84.211 (talk)
1. increasing air penetration of the soil by removing plugs of soil. A heavy machine with hollow prongs is moved across a lawn pushing the prongs into the soil and pulling out plugs of soil.
Example of a soil plug. Source: http://www.imperiallawns.com/