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Still No Free Lunch: Nutrient levels in U.S. food supply eroded by pursuit of high yields

The Organic Center, September 2007


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Resource information:
Resource IDorganiccenter2007
Resource titleStill No Free Lunch: Nutrient levels in U.S. food supply eroded by pursuit of high yields
Author(s)Brian Halweil
Publication/ sourceThe Organic Center
Date publishedSeptember 2007
Summary text/ abstractFarmers have doubled or tripled the yield of most major grains, fruits and vegetables over the last half-century. They have done so by capitalizing on the work of plant scientists, crop breeders and companies manufacturing a wide range of inputs – from fertilizer to water, pesticides, sophisticated machinery and diesel fuel. Yield increases per acre have come predominantly from two sources – growing more plants on a given acre, and harvesting more food or animal feed per plant in a given field. But American agriculture's single-minded focus on increasing yields over the last half-century created a blind spot where incremental erosion in the nutritional quality of our food has occurred. This erosion, modest in some crops but significant in others for some nutrients, has gone largely unnoticed by scientists, farmers, government and consumers.
Library categoriesFood & Agriculture, 'Limits to Growth', Simplicity
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