combine

A self-propelled or tractor-drawn machine which cuts, threshes, separates, and cleans the standing crop in one operation while moving across the field; scattering crop residue behind the machine. It is adapted to harvesting all the small grains, soybeans, grain sorghums, peanuts, beans, etc. In some areas, the crop is cut and placed in windrows by a swather (windrower), and a combine with a pickup attachment gathers the grain and threshes it at a later date.

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