Mulching planted ponderosa pine seedlings in Arizona gives mixed results
By: W.J. Rietveld and L.J. Heidmann.
Contributors: Heidmann, L. J.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: USDA Forest Service research note RM -- 257.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1974
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Ponderosa pine -- Arizona -- Seedlings.; Mulching.
Notes: Caption title.

"March 1974."

Includes bibliographical references (p. 3).