A combine harvester is a machine that cuts, threshes, and cleans grain crops all in one process, eliminating the need for separate steps. It matters because it greatly speeds up harvesting and reduces the labor required to bring in large grain crops.
AI-generated from the Wikipedia summary — may contain errors.
Corn combine harvester with grain cart (click for video)
The modern combine harvester, also called a combine, is a machine designed to harvest a variety of cultivated seeds. Combine harvesters are one of the most economically important labour-saving inventions, significantly reducing the fraction of the population engaged in agriculture. Among the crops harvested with a combine are wheat, rice, oats, rye, barley, corn (maize), sorghum, millet, soybeans, flax (linseed), sunflowers and rapeseed (canola). The separated straw (consisting of stems and any remaining leaves with limited nutrients left in it) is then either chopped onto the field and ploughed back in, or laid out in rows, ready to be baled and used for bedding and cattle feed.
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