Ing. Agr. M.Sc. ALVARO ROEL
Graduate Gorup in Ecology
Department of Agronomy and Range Science
University of California
Davis, CA 95616-8515
Dollars per acre lost or earned (before leveling the field) and the delineation of the topographic low and high areas of the field. Rice Field (60 has) in Yuba, California. 1999.