>  Term: plowing
plowing

A method of turning soil to enhance productivity and destroy soil structure. Late in the 7th century, northern peasants began using a new type of plow, equipped with a vertical knife to cut a furrow, a horizontal blade to slice under the surface, and a moldboard to turn it over: a cross brought down into the earth. (Rotating crosses called windmills pumped water from the sinking Netherlands, an effort first funded by the church. )

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