Organic matter
Revision as of 15:19, 12 July 2007 by Sherratt.1 (talk | contribs)
1. Matter derived from plant or animal sources. Often added to topdressing soil mixtures to give added water holding capacity and exchange capacity to the soil.
Organic matter to the soil to improve drainage and soil structure.
Source: http://www.aces.edu/dept/extcomm/specialty/feb28igard04.html