Frank C. Sorensen

Identifiers

Open LibraryOL4566641A

Top Subjects

Douglas fir (2)
Douglas fir -- Oregon -- Seedlings (1)
Douglas fir -- Seeds -- Oregon -- Testing (1)
Fertilization of plants (1)
Ponderosa pine -- Reproduction (1)
Douglas fir -- Oregon -- Willamette River Valley -- Growth (1)
Douglas fir -- Oregon -- Willamette River Valley -- Flowering time (1)

Books by Frank C. Sorensen

Total count: 11

Photosynthesis, respiration, and dry matter accumulation of Douglas-fir seedlings from different geographic sources and growth at different temperatures

1964-01-01
Two-year results of a west-east transect-provenance test of Douglas-fir in Oregon

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture1967-01-01
Self-fertility of a central Oregon source of Ponderosa pine

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service1970-01-01
Correlation between dates of floral and vegetative bud flush in Douglas-fir

Pacific Northwest Forest and Range Experiment Station, USDA Forest Service1971-01-01
The seed orchard tree as pollen samplera model and example

Pacific Northwest Forest and Range Experiment Station, USDA Forest Service1972-01-01
The seed orchard tree as a pollen samplerA model and example

Or.1972-01-01
Performance of wind-pollination families and intra- and inter-stand crosses on contrasting forest soils

Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1973-01-01
Genetic variation in rootability of cuttings from one-year-old western hemlock seedlings

Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station1980-01-01
Effect of date of cone collection and stratification period on germination and growth of Douglas-fir seeds and seedlings

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service1980-01-01
Stratification requirements for germination of western larch (Larix occidentalis Nutt.) seed

U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest Research Station1990-01-01
Stratification period and germination of Douglas-fir seed from Oregon seed orchardstwo case studies

U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest Research Station1991-01-01