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Supplemental Specialty Feeds for Making 225 Pound Pigs on Pasture
Carl John Drake
Clarence Leroy Holmes
E. E. Dunnam
Earl Weaver
Harold De Mott Hughes
C. C. Culbertson
Franklin Scott Wilkins
Frederick Azel Fenton
Frederick Dunaway Butcher
John Marcus Evvard
Percy Edgar Brown
William Henry Stevenson
L. W. Forman
Fordyce Ely
John M. Shaw
出版
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
, 1923
URL
http://books.google.com.hk/books?id=XNRQAQAAMAAJ&hl=&source=gbs_api