A modern development of the traditional harrow is the rotary power harrow, often just called a power harrow.Jean-Martin Fortier. "The rotary power harrow" , FarmStart Tool Shed, February 18, 2014. Retrieved on 5 March 2015.
A modern development ,of the traditional harrow is the rotary powe,r harrow, often just called a power harrow.Jean-Martin Fortier. "The rotary power harrow" , FarmStart Tool Shed, February 18, :2014. Retrieved on 5 March 2015.