Growth of ponderosa pine, white spruce, and blue spruce under clear and red fluorescent plastic
By: Richard W. Tinus.
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 184.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Photosynthesis; Greenhouses -- Shading; Ponderosa pine -- Growth; Spruce -- Growth
Notes: Caption title.

Includes bibliographical references (p. 4).