. Levels-of-growing-stock cooperative study in douglas-fir : report no. 11--Stampede Creek : a 20-year progress report. . RD Figure 18âRelation of periodic annual gross volume increment (treatment means) to relative density (RD) at period midpoints, all treatments, treatment periods 2, 3, and 4. -, - - =1 CO Id - O o TP-2 + TP-3 â TP-4 sr. o ~i 1 1 1 1 1 1 1 1 1 1 1 0 20 40 60 BO 100 120 140 160 180 200 220 Basal area (ft'/acre) Figure 19âRelation of periodic annual increment in diameter of survivors (treatment means) to basal area at period midpoints, all t
. Levels-of-growing-stock cooperative study in douglas-fir : report no. 11--Stampede Creek : a 20-year progress report. . RD Figure 18âRelation of periodic annual gross volume increment (treatment means) to relative density (RD) at period midpoints, all treatments, treatment periods 2, 3, and 4. -, - - =1 CO Id - O o TP-2 + TP-3 â TP-4 sr. o ~i 1 1 1 1 1 1 1 1 1 1 1 0 20 40 60 BO 100 120 140 160 180 200 220 Basal area (ft'/acre) Figure 19âRelation of periodic annual increment in diameter of survivors (treatment means) to basal area at period midpoints, all treatments, treatment periods 2, 3, and 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 Curtis, Robert O. cn; Pacific Northwest Research Station (Portland, Or. ) cn. Portland, Or. : U. S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
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