Telegraph: From a distance it may look like any other farm clinging to the curves of the River Otter in Devon, but Mark Diacono’s 18-acre smallholding may just hold the key to the future of food in this country. As spring turned to summer, buds became flowers and flowers became fruit, this little corner of England proved that our changing climate holds some genuinely exciting opportunities for those willing to experiment. “There is nothing like eating one of our peaches,” says Diacono …