Effects of manganese and manganese-nitrogen applications on growth and nutrition of Douglas-fir seedlings
By: M. A. Radwan, John S. Shumway, and Dean S. DeBell
Contributors: Shumway, John S., joint author; DeBell, Dean S., joint author; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: USDA Forest Service research paper PNW -- 265
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1979
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 12
Subjects: Douglas fir; Forest soils -- Fertilization; Nitrogen fertilizers
Notes: Issued Oct. 1979

Bibliography: p. 11-12