Bill B. Fischer is Farm Advisor, Fresno County; David A. Goldhamer is Soil and Water Specialist, Kearney Agricultural Center, Parlier, both with University of California Cooperative Extension; Thomas Babb, formerly Research Associate, Fresno County, is now Agronomist, Amstar Corp. Roger Kjelgren, formerly Research Associate, Kearney Agricultural Center, is now a graduate student, University of Washington, Seattle;