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Productivity and erodibility of U.S. cropland microform / Ralph E. Heimlich (Agricultural ecomonic report ; no. 604)

Productivity and erodibility of U.S. cropland microform / Ralph E. Heimlich (Agricultural ecomonic report ; no. 604)
Microform図書
1989<YCA-A 1.107:604>
National Diet Library

Analysis of policies to conserve soil and reduce surplus crop production (Agricultural economic report ; no. 534)

Analysis of policies to conserve soil and reduce surplus crop production (Agricultural economic report ; no. 534)
Microform図書
1985<YCA-A 1.107:534>
National Diet Library

Farm land development : present and future, by clearing, drainage, and irrigation / by H.H. Wooten and Margaret R. Purcell. (Circular)

Farm land development : present and future, by clearing, drainage, and irrigation / by H.H. Wooten and Margaret R. Purcell. (Circular)
Paper図書
U.S. Dept. of Agriculture1949.<333.76-W918f>
National Diet Library
  • Subject HeadingLand capability for agriculture -- United States. Drainage -- United States. La...

The cropland crisis : myth or reality? : hard

The cropland crisis : myth or reality? : hard
Paper図書
Pierre R. Crosson, editorPublished for Resources for the Future, Inc. by Johns Hopkins University Pressc1982
Other Libraries in Japan

Farm land development : present and future, by clearing, drainage, and irrigation

Farm land development : present and future, by clearing, drainage, and irrigation
Paper図書
by H.H. Wooten and Margaret R. PurcellU.S. Dept. of Agriculture1949
Other Libraries in Japan

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