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Filtering by: Creator Wickman, B. E. Creator Torgersen, T. R.

Pilot experiment of forest fertilization during an outbreak of the western spruce budworm in Northeastern Oregon

Creator:

Mason, Richard R., Wickman, B. E., Paul, H. G., and Torgersen, T. R.

Abstract:

Mixed-conifer stands of grand fir (Abies grandis (Dougl. ex D. Don) Lindl., Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco), and ponderosa pine (Pinus ponderosa Dougl. ex Laws.) were fertilized with nitrogen and combination treatments of nitrogen, phosphorus, potassium, and sulfur to test their effects on trees and associated insects during...

Resource Type:

Technical Report