898 resultados para Oklahoma Agricultural Experiment Station
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U.S. Department of Agriculture, Bureau of Soils in cooperation with the University of California Agricultural Experiment Station.
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"Literature cited": p. 91.
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[No. 16] has title: Nineteen years of culture work; [no. 17] Memoranda and index of cultures of Uredineae, 1899-1917.
Utility of experiment stations. Past and present work and future prospects of the Geneva station ...
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Mode of access: Internet.
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Cover title.
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Mode of access: Internet.