Received for publication December 24, 1977. Supported in part by an agreement with the Electric Power Research Institute. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.
Department of Environmental Horticulture, University of California, Davis.
|All Time||Past Year||Past 30 Days|
|Full Text Views||17||17||4|