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Conservation farming in the United States : the methods and accomplishments and the STEEP program / edited by Edgar L. Michalson, Robert I. Papendick, John E. Carlson.

Conservation farming in the United States : the methods and accomplishments and the STEEP program / edited by Edgar L. Michalson, Robert I. Papendick, John E. Carlson.
Paper図書
CRC Pressc1999.<RB64-A151>
National Diet Library
  • Subject Heading...西部諸州 (アメリカ合衆国) Soil conservation -- Northwest, Pacific. Conservation tillage -- North...

Conservation farming in the United States : the methods and accomplishments of the STEEP program

Conservation farming in the United States : the methods and accomplishments of the STEEP program
Paper図書
edited by Edgar L. Michalson, Robert I. Papendick, John E. CarlsonSoil and Water Conservation Societyc1999
Other Libraries in Japan

Soil and water conservation in the Pacific Northwest

Soil and water conservation in the Pacific Northwest
Paper図書
by E.M. RowaltU.S. Dept. of Agriculture1937
Other Libraries in Japan

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