Possible Clues:

• Means to reduce capital growth?
• Pageboy, for instance
• Bob, say, helmeted Irish copper?
• Bob, for example, gets write-down of loan
• Prune topping for this?
• Pageboy is one to expose, caught in cabin
• Onset of heat and dry in the atmosphere reduced crop?
• Tonsorial task
• Barber's task
• Barbershop job