new allotment

Hello

We are really excited at getting our allotment. However, it looks like it has not been touched for about 20 years! It's overgrown, covered with rubbish etc, and the ground is very uneven. We can clear the rubbish, but am not sure how to go about clearing whats grown. We have a garden strimmer but its just not up for the job. Any suggestions would be great.
Thanks
Lucia

Where I volunteer we use a petrol strimmer with a bush cutter attachment, You could properly rent one if you don't want to buy. I find a mattock is particularity effective for removing root systems. You could also try controlled burning but that can be a bit iffy.

I've moved this topic to here, as I'm sure there will be more replies