Research Support Specialist, Dept. of Horticultural Science.
Senior Research Support Specialist, Dept. of Food Science and Technology.
Received for publication 5 May 1988. This research was partially funded by Hatch Regional Research, NE-146: “Gains, losses, and management of soil nitrogen” and by the New York State Snap Bean Research Assn. 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.