Fellow Poskitt, who runs Poskitt's Carrots in Goole in East Yorkshire, said that without laborers from Eastern Europe the business would go to pieces.
"On the off chance that you removed transient laborers from the production network you would inside five days have no new British deliver on the store racks," Mr Poskitt, whose business grows 80,000 tons of carrots and parsnips every year, told Sky News.
"[My business] would need to close; we couldn't serve our clients without the accessibility of transient laborers."
It has turned out to be likely that Britain is set out toward a hard Brexit bargain – in which most binds to the EU are cut – after Prime Minister Theresa May named conspicuous Leave campaigners to the gathering of Cabinet pastors who will control the arrangements and told the Conservative Party meeting this month: "We are not leaving the European Union just to surrender control of movement once more."
A few driving Conservatives, including Kenneth Clarke, the previous bureau serve, have encouraged her to be adaptable about opportunity of development to secure British access to the EU single market. EU pioneers have made it clear that if Britain rejects free development it can't be an individual from the single market.
Mr Poskitt voiced his worries about the business as ahead of schedule as February, telling the BBC: "We've a ton of good neighborhood specialists however we likewise have an incredible requirement for a major measure of Eastern European laborers to work our business."
He said somewhere around 60 and 70 for each penny of his workforce who pack vegetables are Eastern European, including: "We can't enlist enough neighborhood laborers. We need to have a seven day a week workforce that backings the necessities of the business and we can't discover enough neighborhood individuals who will do that."
John Shropshire, the director of G's, one of the greatest makers of plates of mixed greens and vegetables in Britain, told the Guardian in August that the UK's sustenance security would be hurt if the opportunity of development for EU specialists halted.
"In the event that we don't have opportunity of development and they don't supplant it with an allow conspire then the business will simply shut down," said Mr Shropshire. "No British individual needs an occasional occupation working in the fields. They need changeless employments or occupations that are not exactly as exhausting physically."
Around 90 for every penny of organic product, vegetables and plates of mixed greens are picked, evaluated and pressed by 60,000 to 70,000 laborers from abroad, for the most part from eastern Europe, as indicated by the paper.
Straightforwardly after the submission in June, the National Farmers' Union raised worries that Brexit could bring about UK nourishment costs to rise.
NFU president Meurig Raymond cautioned that the UK's reliance on imports consolidated with a debilitated pound would mean the nation could hope to see the cost of sustenance go up.
He additionally called attention to that European Union sponsorships for British ranchers add up to £2.4bn-£3bn a year and keep the part above water. Another worry was whether taxes would start to be connected on significant British fares to Europe, for example, sheep, wheat and grain.
An elite survey for The Independent found a larger part of the British open think a decent exchange manage the EU is more critical than cutting movement when choosing the terms of Brexit.
Brexit 'could mean end of new British products of the soil', cautions driving rancher