Related Clues:

• Flowerpot filler
• Rumple (up)
• Tousle, as hair
• It's not needed in hydroponics
• 4-H Club concern
• Upper crust?
• Farmer's earth
• Bedrock's covering, perhaps
• Make grimy
• Undo a do
• Befoul
• Mess up, as hair
• Rooting section?
• Agrarian concern
• Where the worm turns?