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- 77601784 contributor B3215120.
- 77601784 created "[1969]".
- 77601784 date "1969".
- 77601784 date "[1969]".
- 77601784 dateCopyrighted "[1969]".
- 77601784 extent "iv, 23 p.".
- 77601784 isPartOf "United States. Department of Agriculture. Economic Research Service. ERS 398.".
- 77601784 isPartOf "United States. Dept. of Agriculture. Economic Research Service ERS 398".
- 77601784 issued "1969".
- 77601784 issued "[1969]".
- 77601784 language "eng".
- 77601784 publisher "Washington] Economic Research Service, U.S. Dept. of Agriculture".
- 77601784 spatial "United States.".
- 77601784 subject "338.1".
- 77601784 subject "Agricultural productivity United States.".
- 77601784 subject "Agriculture United States.".
- 77601784 subject "Farm management Mathematical models.".
- 77601784 subject "S441 .W37".
- 77601784 title "Productivity of diverted cropland [by P. Weisgerber.".
- 77601784 type "text".