Keywords: Decompasing manure.jpg Manure ageing and decomposing in sun to make natural fertalizer to be spread over field http //www flickr com/photos/25069384 N03/2492033995/ Decompasing manure 2008-05-14 13 20 http //www cdc gov/niosh/ National Institute for Occupational Safety and Health NIOSH from USA PD-USGov Compost Manure |