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Comparative costs in corn, wheat, and soybeans among major exporting countries
Ortmann, Gerald F.; Rask, Norman; Stulp, Valter J. - 1989
Persistent link: https://www.econbiz.de/10000791712
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The cost-competitiveness of major exporting countries of maize, wheat and soybeans
Ortmann, Gerald F. - In: Agrekon : agricultural economics research, policy and … 27 (1988) 2, pp. 26-28
Persistent link: https://www.econbiz.de/10001076274
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The cost-competitiveness of major exporting countries of maize, wheat and soybeans
Ortmann, Gerald F. - In: Agrekon : agricultural economics research, policy and … 27 (1988) 2, pp. 17-25
Persistent link: https://www.econbiz.de/10001272959
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Impact of Integrated Striga Management (ISM) technology on maize productivity in Northern Nigeria : a treatment effect approach
Baiyegunhi, L. J. S.; Hassan, M. B.; Ortmann, Gerald F. - In: African journal of science, technology, innovation & … 10 (2018) 3, pp. 335-344
Persistent link: https://www.econbiz.de/10012147358