The Uk is roughly 60% self sufficient in food.
Global volatility is a big issue, farmers are producing for a global larder. A drought in Australia can make food prices in the UK go through the roof.
Geopolitical effects like the EU relations with Russia have affected the price of milk.
At the NFU the Referendum vote is the biggest issue. We don’t know if we will have access to the single market. EU funding into the UK is mostly for agriculture. The weaker pound will start to raise food prices as the costs of input (feed, fertiliser) starts to rise.
In the medium to long-term challenge will be how consumers respond.
Consumers say they want sustainable, traceable British food but actually it seems to come down to price.