Core aeration
Revision as of 15:44, 1 December 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.
This is an example of aeration, which pulls small plugs of earth up to allow air into the soil.
Source:http://www.ksu.edu