Institution: | Assistant Engineer, Imperial Irrigation District, Imperial, California 92251.;Associate Professor, Agricultural Engineering Department, Utah State University, Logan, Utah 84322-4105.;Senior Engineer, Holinger LTD., Baden, Switzerland CH-5401.;Extension Pesticide Coordinator, Utah Agricultural Experiment Station, Utah State University, Logan, Utah 84322-4649.;Extension Soil Fertility Specialist, Idaho Agricultural Experiment Station, University of Idaho, Twin Falls, Idaho 83301. |