can someone advise my compost / peat in greenhouse as turned green on top and in my raised boxes is now feeling sandy how often do i need to change it.
or can i feed it to get more life from it.
or do i cut my losses and replace it all if so with what.
i try so hard but my results are never good.
i will admit i do feed plant ie toms cucumber and veg nearly everyday and my wife reckons i overfeed.
please somebody advise i know its longwinded i just need to get it right thank you.