Union bosses at a Shropshire sugar factory have conceded defeat and accepted that the facility will have to close with the loss of 128 jobs.
The GMB said trade unions had "reluctantly" accepted that the Allscott factory, and another in York, will now close.
British Sugar proposed the closures earlier in the summer, blaming a "radical reform" of the European sugar regime.
There will be a phased closure from early next year of the factories, which have been producing sugar for decades.
The GMB criticised farmers for reaching a compensation deal with British Sugar.
Spokesman John Kirk said: "We feel betrayed as we believed the joint approach to British Sugar should have been pursued but it's clear the NFU have had a separate agenda and they have agreed compensation for farmers.
"We are now faced with factory closures. The farmers have been compensated and can grow alternative crops, our members now face job losses.
"They are in a win, win position. We are in a lose, lose position."