chisel plow

American  

noun

1. a soil tillage device pulled by a tractor or animal, used to break up and stir soil a foot or more beneath the surface without turning it.

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Example Sentences

There are now two kinds of farmers, broadly speaking: small-scale farmers, most of them working second jobs in nearby towns or cities, and large-scale operators able to afford the $500,000 price tag on John Deere’s 8R 410 tractors with a 2430 chisel plow, as well as the estimated $50,000 add-on package of technology that will allow the machines to operate on their own.

From Washington Post

A John Deere 8R tractor and chisel plow used for tillage will set farmers back hundreds of thousands of dollars.

From The Verge