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100   $a20210323d2021      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCover crop trends, programs, and practices in the United States /$fSteven Wallander, David Smith, Maria Bowman, and Roger Claassen
210  1$a[Washington, D.C.] :$cU. S. Department of Agriculture, Economic Research Service,$d2021.
215   $a1 online resource (ii, 31 pages) $ccolor illustrations, color map
225 1 $aEconomic information bulletin ;$vnumber 222
300   $a"February 2021."
320   $aIncludes bibliographical references.
606   $aCover crops$zUnited States
606   $aSoil conservation$zUnited States
615  0$aCover crops
615  0$aSoil conservation
700   $aWallander$b Steven$01387358
712 02$aUnited States.$bDepartment of Agriculture.$bEconomic Research Service,
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910715477403321
996   $aCover crop trends, programs, and practices in the United States$93437086
997   $aUNINA