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Science, 2001
Agriculture is believed to have arisen independently in six to eight independent centers, including both hemispheres of the Americas. In her Perspective, Piperno discusses recent work, which indicates that maize was domesticated at least 7100 years ago in tropical Mexico, 1000 years earlier than previous data indicated. The sunflower also seems
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Agriculture is believed to have arisen independently in six to eight independent centers, including both hemispheres of the Americas. In her Perspective, Piperno discusses recent work, which indicates that maize was domesticated at least 7100 years ago in tropical Mexico, 1000 years earlier than previous data indicated. The sunflower also seems
openaire +2 more sources
Lipid Technology, 2007