do i need manure?

hi all,

         busy time is allmost upon us allotys,some prepared some un like me lol.
 im probably boring people now but cant help asking asking asking. my plot is situated 1 metre away from a horse manure heap 10ft high 20ft wide and 15ft deep. now my question is do i need to do any thing with my soil or will all the goodness  from the heap make soil surrounding it fertile?