Crop yields expand, nutrients decline.

AuthorHerro, Alana
PositionEYE ON EARTH - Brief article

Farmers today can grow two to three times as much grain, fruit, and vegetables on a plot of land as they could 50 years ago, but the nutritional quality of many crops has declined, according to a new report from The Organic Center, a group based in Boulder, Colorado.

In Still No Free Lunch, report author and Worldwatch Institute food expert Brian Halweil notes that today's food contains 10 to 25 percent less iron, zinc, protein, calcium, vitamin C, and other nutrients than it did...

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