Related Clues:

• Sustenance provided by fan with poetry book
• Nest-builder hoarding green food
• Looking after the fort, and cheerful with it
• Supporter touring England and Germany — with 30, it's an accompaniment to 7
• Frost in fruits destroying one universal sustenance
• Food; money
• Food — fruit and ice — with wrapping from 13
• Running costs
• Fruit has a form of iron — it provides nourishment
• What could come from tin — meal offering nourishment
• At university, withhold maintenance costs
• Money; food
• Processing of food
• Food fanatic - term, I suspect, used around noon
• See 13 down