What to plant after leeks?

[Poolcue]

I have just dug out the last of my leeks and was wondering what to plant in their place.The rest of the bed consist of japanese overwintering onions and shallots.
I was thinking of an early carrot for some companion planting.
Any other ideas?

[Poolcue]

[kt.]

Scroll down twice on this link for the RHS guide to crop rotation:

http://apps.rhs.org.uk/advicesearch/Profile.aspx?pid=124

[Poolcue]

Thanks for that