On his visit to Rothamsted Research in Hertfordshire Mr Paterson visited the field where the active GM crop trial is taking place.
The field, which is surrounded by a high fence, has security guarding it 24 hours a day and signs warn of guard dogs.
Everyone going through the gate next to the field had to sign a book as part of the tight security process - even Mr Paterson.
Before taking the trip out to see the crop trial, Mr Paterson toured the laboratories and had a go at using a particle gun, which is used in the GM process
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A pilot who died in a crash at a motoring event in Cheshire yesterday twice coxed Cambridge to victory in the Boat Race against Oxford.
Some early cloud possible but sunny spells breaking through readily in the morning, becoming prolonged by the afternoon.
The pilot, from the Gnat private display team died after the display aircraft he was in crashed near the CarFest event in Cheshire.