Occult sign for minute-men (11) ???R?T?R?E?
Slightly steep (7) ???S?E?
Describing the harvest as a fait accompli (3,3,5) ??? ??? ???E?
A pattern in rich decayed earth (5) ???L?
Many thanks folks. Couldn't get on to the right lines at all as I kept thinking of steep as either an incline or something pricey. Would never have got secretaries.