Possible Clues:

• An amount of potentially useful but unusable material
• Refrigeration slows it down
• Page oils (anag.)
• Goes off wise guy over pressure put on Greece state
• Fruit store's concern
• Problem for produce dealers
• Goes off with head barman on treat to Spain
• Waste damaged material
• Goes off Greece utterly in spring, in a round about way, for example
• Wasted material is soft -- dirt taking time to be put outside