Toxicity of herbicides on three northwestern conifers
By: by H. Gratkowski
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper -- no. 42; Research paper (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 42.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1961
Place of publication: Portland, Or
Language: eng
Number of pages: 24
Subjects: Herbicides; Toxicology; Conifers; Plants; Effect of herbicides on
Notes: "May 1961."

Includes bibliographical references (p. 24).