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Examples of mortality and reduced annual increments of white fir induced by drought, insects, and disease at different stand densities [microform] / P.H. Cochran (Research note PNW ; RN-525)

Examples of mortality and reduced annual increments of white fir induced by drought, insects, and disease at different stand densities [microform] / P.H. Cochran (Research note PNW ; RN-525)
Microform図書
1998<YCA-A 13.79:PNW-RN-525>
National Diet Library
  • Subject HeadingAbies concolor -- Drought tol......ance -- Oregon Abies concolor -- Disease and......ance -- Oregon Abies concolor -- Oregon -- Growth

Response of thinned white fir stands to fertilization with nitrogen plus sulphur / P.H. Cochran (Research note PNW ; RN-501)

Response of thinned white fir stands to fertilization with nitrogen plus sulphur / P.H. Cochran (Research note PNW ; RN-501)
Microform図書
1991<YCA-A 13.79:PNW-RN-501>
National Diet Library
  • Subject HeadingAbies concolor Nitrogen fertilizers -- Orego...

Decay fungi and wounding in advance grand and white fir regeneration microform / Paul E. Aho, Gregory M. Filip, Frances F. Lombard

Decay fungi and wounding in advance grand and white fir regeneration microform / Paul E. Aho, Gregory M. Filip, Frances F. Lombard
Microform図書
1987<YCA-A 13.27/2:D 35/3>
National Diet Library
  • Subject HeadingAbies grandis Abies concolor Conifers -- Diseases and pest...

Dwarf mistletoe in red and white firs in California--23 to 28 years after inoculation / John R. Parmeter, Jr., Robert F. Scharpf (Research note PSW ; 406)

Dwarf mistletoe in red and white firs in California--23 to 28 years after inoculation / John R. Parmeter, Jr., Robert F. Scharpf (Research note PSW ; 406)
Microform図書
1989<YCA-A 13.79:PSW-406>
National Diet Library
  • Subject Heading... -- California Abies concolor -- Diseases and pests -- Cali...

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