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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
IOP Publishing
2015-01-01
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Series: | Environmental Research Letters |
Subjects: | |
Online Access: | https://doi.org/10.1088/1748-9326/10/4/044003 |