Received for publication 15 Aug. 1984. Paper No. 9490 of the Journal Ser. of the North Carolina Agr. Res. (NCARS), Raleigh, NC 27695-7609. The authors gratefully acknowledge the technical assistance of Louis D. Jackson. 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.
|All Time||Past Year||Past 30 Days|
|Full Text Views||26||26||3|