Further observations of the response of various species of plants to length of day
By: by H. A. Allard and W. W. Garner.
Contributors: Garner, W. W. b. 1875.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 727; Technical bulletin (United States. Dept. of Agriculture) -- no. 727.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 64
Subjects: Plants -- Effect of light on
Other titles: Further observations on the response of various species of plants to length of day; Response of various species of plants to length of day
Notes: Cover title: Further observations on the response of various species of plants to length of day.

"August 1940."

Includes bibliographical references.