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1st Decade Intensive Management Practices

• Ultimate Percent of Total Acreage to Undergo
Thinning

O Years

None

45%

29%

Figure 1-5

ACREAGE DISTRIBUTION USED IN
HARVEST COMPUTATION FOR THE
SOURCE: BLM 1971

THE 1970 ALLOWABLE

JACKSON

SYU

Ultimate Percent of Total Acreage to be
Planted with Genetically Improved Stock

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• Ist Decade Intensive Management Practices:
Pre commercial Thinning ·
Commercial Thinning
Fertilization

+ 4 Years

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• Ultimate Percent of Total Acreage to Undergo
Fertilization

72%

• Ultimate Percent of Total Acreage to Undergo
Thinning

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Figure

1-7

ACREAGE DISTRIBUTION USED IN THE
IN THE
ALLOWABLE HARVEST COMPUTATION FOR THE
KLAMATH SYU

1970

SOURCE: BLM 1971

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70%

Commercial Thinning
Fertilization

• Ultimate Percent of Total Acreage to Undergo
Thinning-

Ultimate Percent of Total Acreage to Undergo
Fertilization

70%

ACREAGE DISTRIBUTION USED IN THE 1978 RECOMMENDED
ALLOWABLE HARVEST COMPUTATION FOR THE KLAMATH

Figure 1-8

SYU

SOURCE: BLM 1978

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40 60 80 100 20 40 60 80 200 20 40 60 80 300 AGE IN YEARS

Figure

JACKSON SUSTAINED YIELD UNIT

1-9

EMPIRIC YIELD CURVES HIGH INTENSITY LANDS SOURCE: BLM Forest Inventory

1968 & 1977

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