A disc plough is a style of plough that includes a concave disc rather than a moldboard for slicing and turning soil. This plough requires 10-20 horsepower per disc in the tractor. Also, the disc of this plough may be altered based on the sought after furrow depth and width. https://discplough34556.blogocial.com/the-smart-trick-of-disc-plough-that-no-one-is-discussing-74956172