Seed production in a southwestern ponderosa pine on a sedimentary soil
By: L.J. Heidmann
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 434
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1983
Place of publication: [Fort Collins, Colo.]
Language: eng
Subjects: Seed industry and trade -- Arizona; Ponderosa pine
Notes: Caption title

Distributed to depository libraries in microfiche

"November 1983."

Bibliography: p. 2