. Financial analysis of pruning ponderosa pine. Ponderosa pine Oregon Pruning; Ponderosa pine Washington (State) Pruning; Forest products Oregon; Forest products Washington (State). 12. 3 -i 1 1 1 h 25 35 45 55 65 Years since pruning Figure 4âBreak-even cost of pruning, under the future price assumption and a 4-percent real interest rate, BLM Medford District ponderosa pine regimes. The 50-year site index 55 regime was pruned at age 35, and both site index 80 regimes were pruned at age 25. - â Wide spacing + Moderate spacing o Narrow spacing 80 90 100 Harvest age (y
. Financial analysis of pruning ponderosa pine. Ponderosa pine Oregon Pruning; Ponderosa pine Washington (State) Pruning; Forest products Oregon; Forest products Washington (State). 12. 3 -i 1 1 1 h 25 35 45 55 65 Years since pruning Figure 4âBreak-even cost of pruning, under the future price assumption and a 4-percent real interest rate, BLM Medford District ponderosa pine regimes. The 50-year site index 55 regime was pruned at age 35, and both site index 80 regimes were pruned at age 25. - â Wide spacing + Moderate spacing o Narrow spacing 80 90 100 Harvest age (years) 110 120 Figure 5âAverage diameter growth (in inches per decade) from age of pruning to harvest for pruned ponderosa pine trees, Ochoco National Forest. These 100-year site index 70 regimes were pruned at age 50. - - - - Wide spacing Moderate spacing Narrow spacing 70 80 90 100 Harvest age (years) 110 120 Figure 6âAverage diameter growth (in inches per decade) from age of pruning to harvest for pruned ponderosa pine trees, Ochoco National Forest. These mixed-conifer 100-year site index 80 regimes were pruned at age 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 Fight, Roger D; Bolon, Natalie A; Cahill, James M; Pacific Northwest Research Station (Portland, Or. ). Portland, Or. : U. S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
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