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Mechanical Harvesting

The fact that less than 5 percent of the U.S. labor force is engaged in agriculture reflects a high degree of mechanization. The machines harvest not only grains but also such crops as fruits and vegetables

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Scientific American Magazine Vol 217 Issue 2This article was originally published with the title “Mechanical Harvesting” in Scientific American Magazine Vol. 217 No. 2 (), p. 50
doi:10.1038/scientificamerican0867-50