swath — a broad strip or area of something

a large red combine harvester moves steadily through tall golden wheat stalks. The machine cuts and processes the grain as it moves forward in a straight line. Behind the harvester, a wide strip of short stubble contrasts sharply with the uncut tall wheat on either side. The cut area forms a clear broad band stretching across the entire field. A farmer in the cab steers carefully while another worker walks alongside checking the grain collection. Birds follow behind picking up scattered seeds from the harvested strip. a broad strip or area being created through systematic cutting