Posted: 31/03/2014 at 17:12
Join the club, I have had my present allotment for 4 years and gradually it is becoming more workable. I wish I could tell you there was a miracle method but unless someone here has a genie up their sleeve, you're in for some hard but rewarding work.
The good news is that heavy soils are normally very productive. If it's just heavy soil and not been scalped of its top soil then just add as much organic material as you can. I order truck loads of manure and use compost from the garden too.
In a normal winter the frosts will help break down autumn dug plots, I rough dig mine and add manure at the same time as soon as the last crops finish at the end of the summer.
Good luck Ben and dont get disheartened, the soil will improve.
The quicker and more expensive method is to build raised beds and import top soil but you have to be confident of the supplier because there is a lot of trash out there.