Nursery fertilization of Douglas-fir seedlings with different forms of nitrogen /

Bibliographic Details
Main Author:	Radwan, M. A., 1926-
Corporate Author:	Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Other Authors:	Crouch, Glenn LeRoy, 1929-, Ward, H. S.
Format:	Government Document Book
Language:	English
Published:	Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971.
Series:	USDA Forest Service research paper PNW ; 113.
Subjects:	Douglas fir > Seedlings. Douglas fir > Fertilizers. Nitrogen fertilizers.

Evans: US Documents (Annex 5th floor)