Murashkina, M.1; Southard, R. J.1; Koptsik, G. N.2
Author Information
1Department of Land, Air, and Water Resources, Soil Science Graduate Group, 1 Shields Ave., University of California, Davis, CA 95616. M. Murashkina is corresponding author. E-mail: [email protected]
2Soil Science Faculty, Moscow State University, Moscow, Russia 119992.
Received Aug. 27, 2004; accepted Jan. 25, 2005.
doi: 10.1097/01.ss.0000169918.63474.32