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Filtering by: Keyword Ponderosa pine -- Effect of pollution on -- Oregon -- The Dalles

Needle scorch and condition of ponderosa pine trees in The Dalles area

Creator:

Compton, O. C. (Oliver Cecil), 1903- and Oregon State University. Agricultural Experiment Station

Abstract:

Published September 1961. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

. The effect of atmospheric fluoride on Washington agriculture, in Air Pollution, Proc. United States
Fluorine levels in crops of The Dalles area, 1965-67 : cherry, peach, and pine trees and the ambient air

Creator:

Compton, O. C. (Oliver Cecil), 1903- and Oregon State University. Agricultural Experiment Station

Abstract:

Published September 1968. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

"ponderosa pine blight" and the concomitant fluorine content of needles of Pinus ponderosa trees growing