Response of tree seedlings to extended photoperiods /

Bibliographic Details
Main Author:	Read, Ralph A., 1916-
Corporate Author:	Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Other Authors:	Bagley, Walter Thaine, 1917-
Format:	Government Document Book
Language:	English
Published:	Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.
Series:	U.S. Forest Service research paper RM ; 30.
Subjects:	Conifers > Seedlings. Conifers > Growth. Plant photoperiodism. Plants > Effect of light on. Forest nurseries.

Description
Physical Description:	16 pages : illustrations ; 27 cm.
Bibliography:	Includes bibliographical references (page 16).