大象传媒

Farmers around the world are being urged to be 'the solution to soil pollution' on World Soil Day. We hear what UK farmers are doing make their soil stay healthy for longer.
For oyster fishermen it's crucial to know when their stocks are ready to reproduce - but how can you tell? Marine biologists at the University of Essex have begun using a magnet to help find out.
Nancy Nicolson has been to the Scottish National Fatstock Show to see what makes a prize winning beef carcase.

Presented by Anna Hill and produced by Beatrice Fenton.