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Biosystematics in agriculture : invited papers presented at a symposium held May 8-11, 1977, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland / organized by the BARC Symposium II Committee ; Lloyd Knutson, chairman ; sponsored by the Beltsville Agricultural Research Center, Northeastern Region, Agricultural Research Service, United States Department of Agriculture. (Beltsville symposia in agricultural research ; 2)

Biosystematics in agriculture : invited papers presented at a symposium held May 8-11, 1977, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland / organized by the BARC Symposium II Committee ; Lloyd Knutson, chairman ; sponsored by the Beltsville Agricultural Research Center, Northeastern Region, Agricultural Research Service, United States Department of Agriculture. (Beltsville symposia in agricultural research ; 2)
Paper図書
Allanheld, Osmun1978.<RB51-119>
National Diet Library

Organic agriculture : economic and ecological comparisons with conventional methods / by Robert C. Oelhaf.

Organic agriculture : economic and ecological comparisons with conventional methods / by Robert C. Oelhaf.
Paper図書
Allanheld, Osmun1978.<DM278-16>
National Diet LibraryOther Libraries in Japan

The plant protection discipline : problems and possible developmental strategies / by Webster H. Sill, Jr.

The plant protection discipline : problems and possible developmental strategies / by Webster H. Sill, Jr.
Paper図書
Allanheld, Osmun & Co.c1978.<EG321-14>
National Diet LibraryOther Libraries in Japan

Animal reproduction : invited papers

Animal reproduction : invited papers
Paper図書
presented at a symposium held May 14-17, 1978, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland ... ; organized by the BARC Symposium III Committee, Harold W. Hawk, Chairman ; sponsored by the Beltsville Agricultural Research Center Northeastern Region, Science and Education Administration, United States Department of AgricultureAllanheld, Osmun1979
Other Libraries in Japan

Animal reproduction (Beltsville symposia in agricultural research)

Animal reproduction (Beltsville symposia in agricultural research)
Paper図書
presented at a symposium held May 14-17Allanheld, Osmun
Other Libraries in Japan

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