Ammonium nitrate, urea, and biuret fertilizers increase volume growth of 57-year-old Douglas-fir trees within a gradient of nitrogen deficiency / Richard E. Miller, Donald L. Reukema, and John W. Hazard.

Author/creator Miller, Richard E.
Other author Reukema, Donald L.
Other author Hazard, John W.
Other author Pacific Northwest Research Station (Portland, Or.)
Format Microform
Publication InfoPortland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1996]
Description12 pages : illustrations ; 28 cm.
Subjects

SeriesResearch paper PNW ; RP-490
Research paper PNW 490. ^A367713
General noteCover title.
General noteDistributed to depository libraries in microfiche.
General noteShipping list no.: 97-0832-M.
General note"March 1996."
Bibliography noteIncludes bibliographical references (p. 11-12).
Reproduction noteJoyner- Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1997] 1 microfiche : negative.
GPO item number0083-B (MF)
Govt. docs number A 13.78:PNW-RP-490