Response of a 110-year-old douglas-fir stand to urea and ammonium nitrate fertilization
By: by Constance A. Harrington, Research Forester and Richard E. Miller, principal soil scientist.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 336.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1979
Place of publication: Portland, Or
Language: eng