Did you know that the average corn yield in 1920 {roughly the same as averaged by Native Americans} was about 20 bushels per acre? And today, the genetically modified hybrids are capable of producing yields as great as 180 bushels of corn per acre! The reason for this tremendous increase in yield is that the genetically modified hybrids can be planted very close together--30,000 stalks per acre rather than the approximately 8,000 stalks per acre in 1920. {Source: The Omnivore's Dilemma by Michael Pollan} So you see, much of the corn we eat today owes its ancestry to science rather than it's original predecessor, Zea Mays {an edible grass}.
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