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Natural resource capital formation in American agriculture : irrigation, drainage, and conservation, 1855-1980 / George A. Pavelis (AGES ; 850726)

Natural resource capital formation in American agriculture : irrigation, drainage, and conservation, 1855-1980 / George A. Pavelis (AGES ; 850726)
Microform図書
1985<YCA-A 93.44:AGES 850725>
National Diet Library
  • Subject Heading... United States Drainage -- Economic aspects -- United States Conservation of natural resou...

Investments in soil conservation and land improvements : factors explaining farmers' decisions / Elizabeth G. Nielsen, John A. Miranowski, Mitchell J. Morehart (Agricultural economic report ; no. 601)

Investments in soil conservation and land improvements : factors explaining farmers' decisions / Elizabeth G. Nielsen, John A. Miranowski, Mitchell J. Morehart (Agricultural economic report ; no. 601)
Microform図書
1989<YCA-A 1.107:601>
National Diet Library
  • Subject Heading... United States Drainage -- Economic aspects -- United States Clearing of land -- Economic ...

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