Building a Cornish empire

With modern-day logistics allowing vegetables to be procured from across the world to obtain a seamless annual supply, British agriculture is often ignored in favour of cheap imports from foreign shores. But what if a British grower could produce superior local crops that matched the price of imports, all year round? Emma Twyning finds out how Cornish brassica business Southern England Farms is changing the supply rules and why it has become so successful.