Cropland expansion outpaces agricultural and biofuel policies in the United States

Cultivation of corn and soybeans in the United States reached record high levels following the biofuels boom of the late 2000s. Debate exists about whether the expansion of these crops caused conversion of grasslands and other carbon-rich ecosystems to cropland or instead replaced other crops on exi...

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Bibliographic Details
Main Authors: Tyler J Lark, J Meghan Salmon, Holly K Gibbs
Format: Article
Language:English
Published: IOP Publishing 2015-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/10/4/044003