Effect of operational fertilization on foliar nutritent content and growth of young Douglas-fir and Pacific silver fir.

P.H. Cochran; W. Lopushinsky; P.D. McColley

doi:10.2737/PNW-RN-445

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Effect of operational fertilization on foliar nutritent content and growth of young Douglas-fir and Pacific silver fir.

Informally Refereed

Authors:

P.H. Cochran, W. Lopushinsky, P.D. McColley

Year:

1986

Type:

Research Note

Station:

Pacific Northwest Research Station

DOI:

https://doi.org/10.2737/PNW-RN-445

Source:

Res. Note PNW-RN-445. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 12 p

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Abstract

Nitrogen concentration in current year needles of Pacific silver fir (Abies amabilis Dougl. ex Forbes) showed a significant (P

Keywords

Foliar analysis, nitrogen fertilizer response, increment, Pacific silver fir, Douglas-fir

Citation

Cochran, P.H.; Lopushinsky, W.; McColley, P.D. 1986. Effect of operational fertilization on foliar nutritent content and growth of young Douglas-fir and Pacific silver fir. Res. Note PNW-RN-445. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 12 p