U.S. agricultural input use was steady while total factor productivity expanded from 1948 to 2008
![U.S. agricultural input use was steady while total factor productivity expanded from 1948 to 2008](/webdocs/charts/57199/findings3_fig01_768px.gif?v=5006.5)
U.S. agricultural input use was steady while total factor productivity expanded from 1948 to 2008.
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