Hettiarachchi, Ganga M.; Pierzynski, Gary M.; Havlin, John L.
Author Information
1 Contribution No. 97-25-J from the Kansas Agricultural Experiment Station.
Department of Agronomy, Kansas State University, Manhattan, KS 66506-5501. Dr. Pierzynski is the corresponding author. E-mail: [email protected]
Received July 31, 1996; accepted Nov. 18, 1996.