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  1. Potato - Wikipedia

    en.wikipedia.org/wiki/Potatos

    Potatoes were introduced to Europe from the Americas in the second half of the 16th century by the Spanish. Today they are a staple food in many parts of the world and an integral part of much of the world's food supply. As of 2014, potatoes were the world's fourth-largest food crop after maize (corn), wheat, and rice.

  2. Genetically modified maize - Wikipedia

    en.wikipedia.org/wiki/Genetically_modified_maize

    Genetically modified maize is a genetically modified crop. Specific maize strains have been genetically engineered to express agriculturally-desirable traits, including resistance to pests and to herbicides. Maize strains with both traits are now in use in multiple countries.