Posted: 29/10/2014 at 16:11
I haven't used bonemeal, just Autumn lawn feed which should also kill off any moss problems. Bob Flowerdew once said on GQT that he always uses Autumn feed in spring because if you build up strong roots the rest will follow.
BM should have the same beneficial effect, suggest you use either 2 times a year minimum, with perhaps an added dose in mid summer when conditions permit, i.e. not too hot and dry. Add a little MPC to balance out the chemicals, the build up of which might prove a little harsh.
I think this regime can only benefit your grass.