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Growth of ponderosa pine thinned to different stocking levels in central Oregon [microform] : 30-year results / P.H. Cochran and James W. Barrett (Research paper PNW ; RP-508)

Growth of ponderosa pine thinned to different stocking levels in central Oregon [microform] : 30-year results / P.H. Cochran and James W. Barrett (Research paper PNW ; RP-508)
Microform図書
1999<YCA-A 13.78:PNW-RP-508>
National Diet Library
  • Subject HeadingPonderosa pine -- Thinning -- Oregon Ponderosa pine -- Oregon -- Growth

Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon [microform] / P.H. Cochran (Research note PNW ; RN-526)

Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon [microform] / P.H. Cochran (Research note PNW ; RN-526)
Microform図書
1998<YCA-A 13.79:PNW-RN-526>
National Diet Library
  • Subject HeadingPonderosa pine -- Diseases and pests -- Oregon Ponderosa pine -- Oregon -- Growth

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