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181   $ctxt$2rdacontent
182   $cc$2rdamedia
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200 10$aInternational agronomy training & education $epapers presented at the annual meeting of the American Society of Agronomy in New Orleans, November 1968 /$feditors, J. Ritchie Cowan, L. S. Robertson
210  1$aMadison, Wisconsin :$cAmerican Society of Agronomy :$cCrop Science Society of America :$cSoil Science Society of America,$d1969.
215   $a1 online resource (viii, 108 pages)
225 1 $aASA Special Publication ;$vNumber 15
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410  0$aASA special publication ;$vNumber 15.
606   $aAgricultural education$vCongresses
606   $aAgronomy$xStudy and teaching$vCongresses
615  0$aAgricultural education
615  0$aAgronomy$xStudy and teaching
676   $a630.71
702   $aCowan$b J. Ritchie$f1916-
702   $aRobertson$b Lynn Shelby$f1916-
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801  1$bWaSeSS
906   $aBOOK
912   $a9910830284803321
996   $aInternational agronomy training & education$94109981
997   $aUNINA