I first dug my veg patch 2 years ago and dug it a second time last season with a moderately successful crop. This time round I'm very keen to try the no-dig approach. Two little questions: as I intend to start sowing in about 3 weeks' time and did not get to manure the bed last Autumn, I'd be better off spreading a fine compost over the surface rather than farm yard manure, right? Also, for my carrots and parsnips using no-dig, how do I get around the problem of stones below the surface? Thanks in advance.