Response to fertilization of red spruce (Picea rubens sarg.) in northern Maine :
fifth year results /
Robert K. Shepard.

APA Citation

Shepard, R. K., Maine Agricultural Experiment Station., University of Maine at Orono. College of Forest Resources. (1982). Response to fertilization of red spruce (Picea rubens sarg.) in northern Maine: fifth year results. Orono, Me.: University of Maine at Orono.

MLA Citation

Shepard, Robert K, Maine Agricultural Experiment Station, and University of Maine at Orono. College of Forest Resources. Response to Fertilization of Red Spruce (Picea Rubens Sarg.) In Northern Maine: Fifth Year Results. Orono, Me.: University of Maine at Orono, 1982.