An archaeological discovery by the University of Reading is set to shed new light on the history of farming.
Dr Gabor Thomas and his team have found a 7th Century iron plough coulter during excavations at Lyminge, Kent.
A coulter is a vertical soil slicer mounted like a knife to cut through the soil ahead of a plough share to improve the plough's efficiency.
The coulter, one of the defining features of a 'heavy plough', transformed the landscape of England.
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