Conservation of fertilizer materials from minor sources
By: [by C.C. Fletcher]
Series: Miscellaneous publication / United States Department of Agriculture -- no. 136
Publisher: U.S. Dept. of Agriculture
Published: 1932
Place of publication: Washington, D.C
Language: eng
Subjects: Organic wastes as fertilizer; Compost; Research; Composting; Composts; Food residuals composts; Composted manure; Chemical composition; Waste utilization; Industrial byproducts; Fly ash; Soil amendments
Notes: Cover title.

"January, 1932."