Effect of sugar maple root exudate on seedlings of northern conifer species
By: Carl H. Tubbs.
Contributors: United States. North Central Forest and Range Experiment Station, St. Paul.
Series: Research note NC -- 213.; USDA Forest Service research note NC -- 213.; Research note NC -- 213.
Publisher: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Published: 1976
Place of publication: St. Paul
Language: eng
Subjects: Conifers; Roots (Botany); Sugar maple
Notes: Caption title.

Item 83-B.

Bibliography: p. 2.