Click on the image above to download a complete copy of this publication in PDF format. Download a free copy of the Adobe Acrobat Reader. EP3 Prepared by Charles W. Marr, Extension Horticulturist, Vegetable Crops Composting is the biological decomposition of organic materials.
Decomposition occurs naturally.
However, in the composting process natural decomposition is accelerated and improved by human intervention. An understanding of the process can lead to better products and fewer problems. Microorganisms Decomposition is carried out by microorganisms and invertebrates. They utilize yard and food wastes as a source of energy and require oxygen and water to survive. The increased temperature results in increased water evaporation.