. Financial analysis of pruning ponderosa pine. Ponderosa pine Oregon Pruning; Ponderosa pine Washington (State) Pruning; Forest products Oregon; Forest products Washington (State). Figure 10—Break-even cost of pruning, under the future price assumption and a 4-percent real interest rate, Ochoco National Forest ponderosa pine 100-year site index 70 regimes. These regimes were pruned at age Figure 11—Break-even cost of pruning, under the future price assumption and a 4-percent real interest rate, Ochoco National Forest ponderosa pine in a mixed-conifer 100-year site index 80 stand. These r
. Financial analysis of pruning ponderosa pine. Ponderosa pine Oregon Pruning; Ponderosa pine Washington (State) Pruning; Forest products Oregon; Forest products Washington (State). Figure 10—Break-even cost of pruning, under the future price assumption and a 4-percent real interest rate, Ochoco National Forest ponderosa pine 100-year site index 70 regimes. These regimes were pruned at age Figure 11—Break-even cost of pruning, under the future price assumption and a 4-percent real interest rate, Ochoco National Forest ponderosa pine in a mixed-conifer 100-year site index 80 stand. These regimes were pruned at age 40. Yield data for the Deschutes NF are from the SORNAC variant of the prognosis growth and yield simulator (Wykoff and others 1982). Reference to SI are to Meyer's 100-year SI (Meyer 1938). We analyzed ponderosa pine Sis 75 and 79 and a mixed-conifer SI 90 Two regimes for each site were analyzed: a regime with no thinnings and a regime with precommercial thinning and three commercial thinnings. Log and Tree Appendix C shows the yield data used in the Deschutes NF analysis under the above Dimensions regimes. Like the Ochoco analysis, this analysis used the simplifying assumption that the average stand diameter at time of pruning be used for the diameter of the pruned trees. Financial Analysis, Deschutes National Forest Regimes and Yield Data 8. 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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