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Displaying 1-11 of 11 results for author "Cochran, P. H."
Response of thinned white fir stands to fertilization with nitrogen plus sulphur / P.H. Cochran.
- Text
- Portland, Or. (319 S.W. Pine St., P.O.Box 3890, Portland 97208) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1991]
- 1991
Stocking levels and underlying assumptions for uneven-aged ponderosa pine stands [microform] / P.H. Cochran.
- Text
- [Portland, Or.] (333 S.W. First St., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1992]
- 1992
Growth and mortality of ponderosa pine poles thinned to various densities in the Blue Mountains of Oregon [microform] / P.H. Cochran and James W. Barrett.
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- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1995]
- 1995
Thirty-five-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington [microform] / P.H. Cochran and James W. Barrett.
- Text
- [Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998]
- 1998
Lodgepole pine development after early spacing in the Blue Mountains of Oregon [microform] / P. H. Cochran and Walter G. Dahms.
- Text
- [Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998]
- 1998
Examples of mortality and reduced annual increments of white fir induced by drought, insects, and disease at different stand densities [microform] / P.H. Cochran.
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- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998]
- 1998
Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon [microform] / P.H. Cochran.
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- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998]
- 1998
Growth of ponderosa pine thinned to different stocking levels in central Oregon [microform] : 30-year results / P.H. Cochran and James W. Barrett.
- Text
- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1999]
- 1999
Growth and yield of western larch under controlled levels of stocking in the Blue Mountains of Oregon [microform] / P.H. Cochran and K.W. Seidel.
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- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1999]
- 1999
Thirty-five-year growth of ponderosa pine saplings in response to thinning and understory removal [microform] / P.H. Cochran and James W. Barrett.
- Text
- Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1999]
- 1999
Growth of lodgepole pine thinned to various densities on two sites with differing productivities in central Oregon [microform] / P. H. Cochran and Walter G. Dahms.
- Text
- [Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1999]
- 1999
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