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100   $a20021104d2002      ua             0
101 0 $aeng
135   $aum|n||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acd$2rdacarrier
200 10$aSoil, nutrient, and water management systems used in U.S. corn production$b[electronic resource] /$fLee A. Christensen
210  1$a[Washington, D.C.?] :$cU.S. Dept. of Agriculture, Economic Research Service,$d[2002]
225 1 $aAgriculture information bulletin ;$vno. 774
300   $a"April 2002."
300   $aDescription based on content viewed Nov. 4, 2002.
320   $aIncludes bibliographical references.
517 1 $aElectronic report from the Economic Research Service
606   $aCorn$xNutrition
606   $aCorn$xEconomic aspects$zUnited States
606   $aCorn$xIrrigation$zUnited States
606   $aSoil management$zUnited States
615  0$aCorn$xNutrition.
615  0$aCorn$xEconomic aspects
615  0$aCorn$xIrrigation
615  0$aSoil management
700   $aChristensen$b L. A$g(Lee A.),$f1938-$01380960
712 02$aUnited States.$bDepartment of Agriculture.$bEconomic Research Service.
801  0$bAGL
801  1$bAGL
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910691703603321
996   $aSoil, nutrient, and water management systems used in U.S. corn production$93423155
997   $aUNINA