Here are some useful websites that may help during the growing season if you need additional advice or information. The below links will open up new windows.
Pests and Diseases - Allotment Online
A Thorough Guide to Allotment Pests: Identification, Prevention, and Control - Allotment Online
What to plant when - Allotment Planner
What to grow on your allotment - RHS
General Stuff - Blogs and Queries - Allotment Online is a good place to start.