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![]() Date: 2012-05-07 14:12:40Summer fallow Land use Land management Human geography Agriculture Farm | Add to Reading List |
![]() | Agriculture, Ecosystems and Environment–20 Contents lists available at ScienceDirect Agriculture, Ecosystems and Environment journal homepage: www.elsevier.com/locate/ageeDocID: 1qfG6 - View Document |
![]() | Amber Waves, July 2006, Special Issue, Estimating U.S. Cropland AreaDocID: 1q9Dp - View Document |
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