Carbon debt of field-scale conservation reserve program grasslands converted to annual and perennial bioenergy crops

Over 5 million ha of US Conservation Reserve Program (CRP) grasslands have been converted to annual crops since 2000, driven mainly by demand for corn grain ethanol. Much of the soil carbon sequestered under CRP is lost upon conversion, creating a ‘carbon debt’ that is presumed to be repaid by futur...

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Bibliographic Details
Main Authors: Michael Abraha, Ilya Gelfand, Stephen K Hamilton, Jiquan Chen, G Philip Robertson
Format: Article
Language:English
Published: IOP Publishing 2019-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/aafc10