Hardseeded Spanish subclover finds a place in southern California
Walter L. Graves
Burgess L. Kay, University of California
William H. Weitkamp
Melvin George, UC Davis
California Agriculture 41(11):8-10. DOI: 10.3733/ca.v041n11p8.
Four strains tested showed good adaptability to highly variable, dry, southern California conditions.
Walter L. Graves is Farm Advisor, Cooperative Extension, San Diego County; Burgess L. Kay is Specialist, Department of Agronomy and Range Science, University of California, Davis; William H. Weitkamp is Farm Advisor, San Luis Obispo County; Melvin R. George is Agronomist, Agronomy and Range Science Extension, UC Davis.
Special acknowledgement is made to Carlos Gomez Pitera, Instituto Nacional de lnues-tigaciones Agrarias, for furnishing seed of the Spanish strains, and to Gary Reece and Elgy Kryger, Watershed Program, Department of Agriculture, San Diego County, for assistance in site preparation, encouragement and logistic support throughout the long evaluation program in San Diego County.
The authors wish to acknowledge Carol Adams for statistical analysis; Robert Slayback and Raimond F. Clary, Jr., of the US. Department of Agriculture Soil Conservation Service, for assistance in seed increase; and Robert Koenigs, formerly with UC Cooperative Extension in San Diego County, for sampling in early years.