Word: dwindledâ
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...burgeoning U.S. population still needed to import more food products than it exported, but starting in the mid-1940s, American agriculture was revolutionized by better technology, better seeds, and better use of chemical fertilizers and pesticides. Farms grew larger and the number of people on them dwindled???to less than 5% of today's population, compared with 23% in 1940. One farmer in the U.S. now feeds 75 people. By comparison, in the Soviet Union, which has less rainfall, less arable land, a shorter growing season and a far less efficient agricultural system, one farmer feeds only ten people...
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