Production physiology of pyrethrum
By: Daryl T. Ehrensing, David O. Chilcote.
Contributors: Chilcote, David O.; Oregon. Dept. of Environmental Quality.; Oregon State University.
Series: Oregon field burning studies -- v. 39A.; Field burning report
Publisher: State of Oregon, Dept. of Environmental Quality
Published: 1985
Place of publication: [Eugene, Or.]
Language: eng
Number of pages: 20
Subjects: Pyrethrum (Plant) -- Oregon.; Pyrethrins.
Notes: "Prepared for the Department of Environmental Quality, State of Oregon, under contract with Oregon State University."

First series title listed from bibliography included in other vols. of the series.

"November, 1985."