Award-winning farmer and conservationist Paul Warburton, 62, was killed in an accident while harvesting at North Farm, Shillingford Hill.
He was run over by his combine harvester and died of his injuries in hospital earlier this month.
Mr Warburton was well known for his work in conservation and earlier this year won the Farming for Wildlife award put up by the South East Regional National Farmers' Union and English Nature.
He was chairman of his local Conservative branch, a member of the NFU and the CPRE and on the parochial church council of St Laurence's, Warborough. He wrote widely on farming for local magazines and newspapers and recently had a regular column in Farmers' Weekly.
He was very active, and earlier this year walked the length of Hadrian's Wall.
Mr Warburton was born in Oxford and went to St Edwards School in Oxford.
After a two year course in agricultural science at Cirencester he farmed in north Yorkshire. He was an agricultural merchant for 21 years before moving to 520-acre North Farm in 1987, taking it over from his aunt Ann Bowditch.
He said his main aims were to improve the image of farming and to "grow food for a hungry world and provide shelter for wildlife". He was married in Goring in 1969 and is survived by his wife Hilary, three daughters Caroline, Alison and Kate and by his mother Stephanie, who lives in Little Wittenham.
At the service of thanksgiving, donations are invited for the Royal Agricultural Benevolent Institution, the CPRE and St Laurence's Church.
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