Carpets used to cover the ground

[Mr Plot]

I have used a piece of carpet to cover a piece of ground over winter and it has done the trick however there was some white stuff left on the ground under it. I was wondering whether there are any nasty chemicals that can seep from the carpet in to the soil? Do people sow after they have used carpet or leave it for a while?
Any thoughts please.
Jez

[Mr Plot]

[Old bird]

Jez

I think there are chemicals used in the manufacture of both man made fibre and wool carpets.  Not sure what they are but I saw a Bob Flowerdew article as to why he was no longer using carpets to cover unused land due to chemicals.

Not sure what they are or how damaging they can be though!

Old Bird

:o

[markfield rover]

We were in the same position 2 years ago, all I could think to do was to really treat the soil to a load of really good 'stuff'
including calcified seaweed which I think helps good bacteria in the soil. It has been very productive and we are still here!