Russia imported food and produce worth almost £10bn to Russia last year, although the total for Britain is much smaller.
However, UK farmers fear that prices will fall following Russia's decision to ban imports of EU fruit, vegetables, meat and dairy products for 12 months because of a likely glut from European farms.
ITV News correspondent Emily Morgan reports.
More top news
Actor Michael Nyqvist, famed for starring in the original film adaptation of The Girl With the Dragon Tattoo, has died aged 56.
Some 13% of the average UK adult's salary is spent paying basic domestic bills, which is an average total of £524,464 over a lifetime.
The Crown Prosecution Service is to announce its decision later on whether individuals and organisations will face criminal charges.