Related Clues:

• Organic compound containing nitrogen
• Serotonin, e.g.
• Bleaching chemical
• Soapmaking ingredient
• 'Excavating for --'
• Fertilizer type
• '..., excavating for --'
• Compound of 34 Down
• Burned-wood byproduct
• Powerful alkali from burnt wood
• The strange pathos of a potassium compound
• Potassium compound used as fertiliser
• A tiny bit of turkey?
• So the saucepan has been burnt for fertiliser
• That's what comes of burning the saucepan