In a more recent field trial conducted in 2007 in Ontario Canada (Hsiang 2007), ACT was prepared from a variety of commercially available composted materials such as Cattle manure, Sheep manure , Organic turkey and Mushroom compost. Field trials were conducted from August to September for suppression of visible dollar spots caused by the fungus Sclerotinia homoeocarpa in plots of creeping bent grass. Fungicide trials were conducted on adjacent plot and results were compared. Application of ACTs showed some disease suppression, ranging from 49 to 86% and variation was attributed to nutrients and the compost source used. The highest level of suppression (86%) was observed when mushroom compost was used to prepare ACT. 100% disease suppression was reported with the application of fungicide in adjacent plots.