Developments in concentrated fertilizers
By: C. H. Kunsman
Contributors: United States. Bureau of Chemistry and Soils; National Broadcasting Company
Published: 1931
Language: eng
Subjects: Radio addresses, debates; Radio programs; Fertilizers; Fertilizer industry
Notes: Caption title.

"A radio talk by Mr. C. H. Kunsman, division of physics and physical chemistry, Bureau of Chemistry and Soils, delivered through Station WRC and 39 other stations associated with the National Broadcasting Company, January 14, 1931."

Network: NBC ; Date: January 14, 1931