Urea for dairy cows
By: prepared by H.P. Ewalt and D.E. Anderson.
Contributors: Anderson, D. E.; Oregon State University. Cooperative Extension Service.
Series: FS -- 159.; Fact sheet (Oregon State University. Cooperative Extension Service) -- 159.
Publisher: Oregon State University, Cooperative Extension Service
Published: 1968
Place of publication: [Corvallis, OR]
Language: eng
Subjects: Dairy cattle -- Feeding and feeds.; Urea as feed.
Notes: Caption title.

"November 1968."