Russell PresseyRichard B. Russell Agricultural Research Center, U.S. Department of Agriculture, ARS, P.O. Box 5677, Athens, GA 30613
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Jimmy K. Avants
Jimmy K. AvantsRichard B. Russell Agricultural Research Center, U.S. Department of Agriculture, ARS, P.O. Box 5677, Athens, GA 30613
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Contributor Notes
Received for publication Nov. 9, 1980.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.
Mention of trademark, proprietary product, or vendor does not constitute a guarantee or warranty of the product by the U.S. Department of Agriculture and does not imply its approval to the exclusion of other products or vendors that may also be suitable.