On Sep 17, 4:05*pm, Baz wrote:
We have just finished erecting a greenhouse and would like to know whether
to pave it or use the soil it is already on to grow tomatoes.
All 4 corners are concreted in so it won't blow away BTW.

Baz

Do not use the soil. You ned a system whereby the soil is replaced
every year. Growbags, Buckets, Ring culture or whatever.

I use buckets with the bottoms cut out stood on gravel. I mix up my
own compost.