Value of the calyx spray in the codling moth control schedule
By: radio talk prepared by E. J. Newcomer ; delivered by R. H. Lamb
Contributors: Lamb, R. H., presenter; United States. Bureau of Entomology
Published: 1932
Language: eng
Subjects: Control; Codling moth; Speeches, addresses, etc., American
Notes: Caption title.

Delivered "during the Western Farm and Home Hour Wednesday, April 20, 1932, through station KGO and eight other stations associated with the NBC-KGO network, Pacific Division, National Broadcasting Company."