Browsing by Author "Supak, James R."
Now showing items 1-5 of 5
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Metser, Robert B.; Supak, James R. (Texas Agricultural Experiment Station, 1980)
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Valentine, James H.; Supak, James R.; Petr, Frank C. (Texas Agricultural Extension Service, 1974)
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Metzer, Robert B.; Supak, James R.; Childers, Roy E. (Texas Agricultural Extension Service, 1983)
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Supak, James R. (Texas Agricultural Extension Service, 1988)
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Weaver, Dave N.; Palmer, Rupert D.; Supak, James R. (Texas Agricultural Extension Service, 1989)