nov 1, 1937 - November, 1937 - California (Alhambra, Pasadena, South Pasadena, and San Marino)

Description:

Data on the sell of Sludge
These cities had the highest distribution and were using sewage sludge as fertilizer in citrus orchards.
Several orange groves which depended completely upon sludge as a source of plant food were said to be in excellent condition, producing large highgrade fruits

Calvert, C. K., Almon L. Fales, C. G. Gillespie, C. E. Keefer, T. J. Lafreniere, F. W. Mohlman, Willem Rudolfs, F. M. Veatch, P. J. A. Zeller, and Langdon Pearse. “The Utilization of Sewage Sludge as Fertilizer: Report of the Committee on Sewage Disposal, American Public Health Association, Public Health Engineering Section.” Sewage Works Journal 9, no. 6 (1937): 861–912. https://www-jstor-org.libproxy.chapman.edu/stable/25030676?searchText=orange+county+citrus+marketing&searchUri=%2Faction%2FdoBasicSearch%3FQuery%3Dorange%2Bcounty%2Bcitrus%2Bmarketing%2B%26so%3Drel%26sd%3D1926%26ed%3D1938&ab_segments=0%2Fbasic_search_gsv2%2Fcontrol&refreqid=fastly-default%3Ab2b35d3954b776f2e9e96e9eec099ba8&seq=40

Added to timeline:

Date: