Nitrogen enrichment of two forest ecosystems by Red Alder
By: by Robert F. Tarrant [et al.]
Series: USDA Forest Service research paper PNW -- no. 76.; USDA Forest Service research paper PNW -- 76.
Published: 1969
Place of publication: Portland, ORE
Language: eng
Subjects: Soils -- Nitrogen content.
Notes: Literature cited : p. 7-8.