Response of ponderosa pine 8 years after fertilization
By: by P. H. Cochran.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.).; United States. Forest Service.
Series: USDA Forest Service research note PNW ; 301; USDA Forest Service research note PNW -- 301.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland, Or
Language: eng
Subjects: Ponderosa pine.; Fertilization of plants.
Notes: Caption title.

Chiefly tables.

Bibliography: p. 6-7.