So unappetising do they look that the uninitiated often mistake them for dried out dog's mess. But in France and Italy, truffles change hands for thousands of pounds a kilo – and they are growing, in abundance, in Britain. An unnamed Wiltshire farmer has told Country Life magazine he is harvesting up to 100kg (220lb) a year from a four-hectare (10-acre) site on his land, selling the black fungi to restaurants for up to £150 a kilo.
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