. Potential production in thinned Douglas-fir plantations. Douglas fir; Forests and forestry Mensuration; Forest thinning. Another means of judging thinning intensity is by comparison of numbers of stems per acre in the middle of the thinning cycles (fig. 6). These figures alone could have little meaning since they do not specify size of tree. Howeve if it is assumed that on equal sites diameter growth is inverse to number of. Figure 6 —Number of trees per acre midway between thinnings (site index range, 130-147). 11. Please note that these images are extracted from scanned page images that ma
. Potential production in thinned Douglas-fir plantations. Douglas fir; Forests and forestry Mensuration; Forest thinning. Another means of judging thinning intensity is by comparison of numbers of stems per acre in the middle of the thinning cycles (fig. 6). These figures alone could have little meaning since they do not specify size of tree. Howeve if it is assumed that on equal sites diameter growth is inverse to number of. Figure 6 —Number of trees per acre midway between thinnings (site index range, 130-147). 11. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bruce, David, 1916-; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ). Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectdouglasfir
