Girdling: an effective and practical treatment for enhancing seed yields in Douglas-fir seed orchards
Wheeler, N. C., Masters, C. J., Cade, S. C., Ross, S. D., Keeley, J. W., Hsin, L. Y.Volume:
15
Journal:
Canadian Journal of Forest Research
DOI:
10.1139/x85-083
Date:
June, 1985
File:
PDF, 129 KB
1985