A disc harrow is a type of agricultural equipment that is used for preparing soil for planting. The equipment consists of a series of concave metal discs that are mounted on a frame, which is then attached to a tractor. The discs rotate as they are pulled through the soil, cutting and breaking up the ground to create a seedbed for planting. Disc harrows are commonly used for a variety of soil preparation tasks, including breaking up hard-packed soil, chopping up crop residue, and preparing fields for planting. They are particularly effective for use in heavy, clay soils or in fields with a lot of crop residue. There are several types of disc harrows, including offset disc harrows, tandem disc harrows, and vertical tillage disc harrows. Offset disc harrows have the discs mounted at an angle to the direction of travel, which allows them to cut more aggressively through tough soil. Tandem disc harrows have two rows of discs mounted side by side, which provide greater coverage and can be used for heavier-duty tasks. Vertical tillage disc harrows are designed to work in conjunction with other tillage equipment to create a finely tilled seedbed for planting. In addition to soil preparation, disc harrows can also be used for weed control by breaking up the soil and uprooting weeds before they have a chance to take hold. They are an essential piece of equipment for many farmers and agricultural operations, and are available in a variety of sizes and configurations to suit different needs and applications.