University of Zambia Library Search for 'pl:"Ames, IA, U.S.A. :"'

Roots of the farm problem : changing technology, changing capital use, changing labor needs /

Ames, IA, U.S.A. : Iowa State University Center for Agricultural and Economic Development : the Iowa State University Press, 1965 , First published 1961.

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Forages : the science of grassland agriculture /

]]> Ames, IA, U.S.A. : Iowa State University Press, 1985 0813806801

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Agricultural policy under economic development /

By Heady, Earl Orel, 1916-.
Ames, IA, U.S.A. : Iowa State University Press, 1962 , Reprint of 1965.

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Resource demand and structure of the agricultural industry /

By Heady, Earl Orel, 1916-.
Ames, IA, U.S.A. : Iowa State University Press, 1963

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