Putting sludge to good use
By: S.P. Kengla and J.H. Huddleston.
Contributors: Huddleston, J. H. 1942-; Oregon State University. Extension Service.
Series: EC / Oregon State University Extension Service -- 1410.; Extension circular (Oregon State University. Extension Service) -- 1410.
Publisher: Oregon State University Extension Service
Published: 1992
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Sewage sludge as fertilizer -- Oregon.
Notes: Title from caption.

"June 1992."