. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 4 -. 2,000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. Please note that these images are extracted from sc

. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 4 -. 2,000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. Please note that these images are extracted from sc Stock Photo

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. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 4 -. 2, 000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. 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 work.. Flora, Donald F. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture

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RMM87BWY–Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest (1966) (19952713393)

RMRF3RGC–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. INTRODUCTION. Figure l.--Ponderosa pine dwarfmi stietoe. This publication suggests economic guides—costs and rates of return—for selecting control areas and controlling ponderosa pine dwarfmistletoe (fig. 1). It is intended for the practicing forester in the Northwest who wants criteria for distributing a limited management budget among several management oppor- tunities on many different sta

RMRFCB1G–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. INTRODUCTION. Figure l.--Ponderosa pine dwarfmi stietoe. This publication suggests economic guides—costs and rates of return—for selecting control areas and controlling ponderosa pine dwarfmistletoe (fig. 1). It is intended for the practicing forester in the Northwest who wants criteria for distributing a limited management budget among several management oppor- tunities on many different sta

RMRFCN16–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. are 1961-62 thinning and pruning costs per acre on the study areas. Costs are exclusive of initial reconnaissance, travel on "company time," vehicle expense, operation of camps, slash reduction, and follow up removal of incipient infections. COST OF PRUNING-FELLING CONTROL WITHOUT PRECOMMERCIAL THINNING The Deschutes National Forest time- study data were used to estimate the cost of

RMRF3RFW–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. are 1961-62 thinning and pruning costs per acre on the study areas. Costs are exclusive of initial reconnaissance, travel on "company time," vehicle expense, operation of camps, slash reduction, and follow up removal of incipient infections. COST OF PRUNING-FELLING CONTROL WITHOUT PRECOMMERCIAL THINNING The Deschutes National Forest time- study data were used to estimate the cost of

RMRF3RG2–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. In order to identify the cost of dwarfmistletoe control with and without silvicultural treatment, time studies were conducted during 1961 and 1962 on the Deschutes National Forest in eastern Oregon. After overstory removal in timber sales, thinning of trees less than 5 inches d.b.h. was done with powered circular saws commonly called brush- cutters (fig. 2). Next, powered bow saws were employ

RMRFCN1B–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. In order to identify the cost of dwarfmistletoe control with and without silvicultural treatment, time studies were conducted during 1961 and 1962 on the Deschutes National Forest in eastern Oregon. After overstory removal in timber sales, thinning of trees less than 5 inches d.b.h. was done with powered circular saws commonly called brush- cutters (fig. 2). Next, powered bow saws were employ

RMRFCB18–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. ESTIMATING THE COST OF DWARFMISTLETOE CONTROL. Figure 2.--One of more than 80 young ponderosa pine stands treated in the course of the economic study. Before precommercial thinning and d w ar fm i s 11 etoe control, this area hod 7,000 stems per acre. So dense a stand ordinarily would not be attractive treatment investment opportunity. Figure 3.--A sectional aluminum pole saw developed by the

RMRF3RG6–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. ESTIMATING THE COST OF DWARFMISTLETOE CONTROL. Figure 2.--One of more than 80 young ponderosa pine stands treated in the course of the economic study. Before precommercial thinning and d w ar fm i s 11 etoe control, this area hod 7,000 stems per acre. So dense a stand ordinarily would not be attractive treatment investment opportunity. Figure 3.--A sectional aluminum pole saw developed by the

RMRF3RF5–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 2,000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. Figure 9.--Rate of return on investment. Dwarfmi stietoe

RMRFCN0M–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 4 -. 2,000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. Please note that these images are extracted from sc

RMRFCN0E–. Economic guides for ponderosa pine dwarfmistletoe control in young stands of the Pacific Northwest. Ponderosa pine Diseases and pests Control Northwest, Pacific; Arceuthobium Control Northwest, Pacific. 2,000 3.000 TOTAL STEMS 4 ( PER 5.000 5 000 ACRE Figure 8. —Rate of return on investment, Dwarfmi stietoe control with pre commerci al thinning. Site IV; size of infected stand, 1 acre. Rule: For each increase of site quality by one class, subtract 1/2 percent; for each increase of size of infected stand by 1 acre, subtract 15 percent.. Figure 9.--Rate of return on investment. Dwarfmi stietoe