Potato rotation messed up

swap potatoes to new spot

Lucylike has already decided to swap the spuds to a new spot  

The question is whether they would be best to follow on from legumes or brassicas.  And what soil prep is needed.

I bung in potato fertiliser when I plant my tubers but forget to do anything else.  

This page contains some info on rotation but it suggests that potatoes should not follow brassicas as spuds don't like lime as a general rule.  

So I would bung your spuds in the pea / bean bed  

I don't think it matters unless you've put lime in the soil when you grew your brassicas & even then you will only be likely to get scab (I mean your spuds not you  ), but that's not a huge problem really as it peels off. I would add manure though & either chicken pellets, potato fertiliser, or Growmore or something - they're hungry beasts spuds are & the manure will help to conserve moisture for the swelling tubers.