Possible Clues:

• Cheer up to secure fruits of labour
• Gather in (a crop)
• Contribution from wharves to seasonal collection
• Autumn, typically
• Join finish to a set of editor's afterthoughts
• Seasonal activity
• Cut down docks, removing head and end of root
• The sort of outcrop that may make you a warm man in the end
• Time to gather the crops
• Crop - gathering