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Chapter 7. Grain Yields Starting to Plateau - Full Planet, Empty Plates: The New Geopolitics of Food Scarcity

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Full Planet, Empty Plates: The New Geopolitics of Food Scarcity

Chapter 7. Grain Yields Starting to Plateau

by Lester R. Brown

From the beginning of agriculture until the mid-twentieth century, growth in the world grain harvest came almost entirely from expanding the cultivated area. Rises in land productivity were too slow to be visible within a single generation. It is only within the last 60 years or so that rising yields have replaced area expansion as the principal source of growth in world grain production.

Chapter 7. Grain Yields Starting to Plateau
http://www.earth-policy.org/books/fpep/fpepch7

Full Planet, Empty Plates: The New Geopolitics of Food Scarcity
http://www.earth-policy.org/books/fpep

( ALSO SEE - http://resiliencesystem.org/chapter-4-food-or-fuel-full-planet-empty-plates-new-geopolitics-food-scarcity )

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