It is on Thursday, November 21 and will involve community safety partnerships from the Royal Borough, Bracknell Forest and Wokingham.
The invitation-only conference will be opened by police and crime commissioner for the Thames Valley, Anthony Stansfeld.
Farmer Colin Rayner, who is also a Royal Borough councillor for Horton and Wraysbury, said: "It is crucial that farmers and all those working in the countryside tackle the issues together and show a united front, sending out a clear message that this type of unscrupulous crime will not be tolerated."
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Police officers can be seen at Ten Pin Bowling in Maidenhead tonight following an incident earlier today.