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 Info | Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1996] |
| Description | 12 pages : illustrations ; 28 cm. |
| Subjects |
| Series | Research paper PNW ; RP-490 Research paper PNW 490. ^A367713 |
| General note | Cover title. |
| General note | Distributed to depository libraries in microfiche. |
| General note | Shipping list no.: 97-0832-M. |
| General note | "March 1996." |
| Bibliography note | Includes bibliographical references (p. 11-12). |
| Reproduction note | Joyner- Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1997] 1 microfiche : negative. |
| GPO item number | 0083-B (MF) |
| Govt. docs number | A 13.78:PNW-RP-490 |