N2 fixation by red alder (Alnus rubra) and Scotch broom (Cytisus scoparius) planted under precommercially thinned Douglas-fir (Pseudotsuga menziesii)

Year: 
1984
Publications Type: 
Journal Article
Publication Number: 
1870
Citation: 

Helgerson, O. T.; Gordon, J. C.; Perry, D. A. 1984. N2 fixation by red alder (Alnus rubra) and Scotch broom (Cytisus scoparius) planted under precommercially thinned Douglas-fir (Pseudotsuga menziesii). Plant and Soil. 78: 221-233.