Related Clues:

• 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
• If one burns the bottom off the saucepan, 17 across would be left
• Burn the bottom out of the saucepan and use it in the garden
• If the saucepan has got burnt, that makes it more fertile
• To have burnt the saucepan will make it more fertile
• If you burn the saucepan, you can always use it in the garden
• The bottom of the pot may get burnt to make it fertile
• If the saucepan gets burnt it gets fertile
• Fertilizer substance
• Fertiliser left after the pan burned up?