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Contributor Notes
Received for publication 15 Jan. 1987. Technical article no. 22320, Texas Agricultural Experiment Station. Mention of a trademark, proprietary product, or vendor does not imply endorsement by Texas A&M Univ. We acknowledge the assistance of David Davenport in conducting statistical analysis of the data. 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.
Professor, Texas Agricultural Experiment Station, Lubbock.
Presently Assistant Professor, Michigan State Univ., East Lansing.
Abstract
