Yazar
Frank C Sorensen
15 cilt bulundu.
Frank C. Sorensen · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Sayfa sayısı yok · 1970
Fertilization of plants / Ponderosa pine / Reproduction
Frank C. Sorensen · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1973
Plant-soil relationships / Pollen / Pollination / Trees
Frank C. Sorensen · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1967
Douglas fir / Seeds / Testing / Seedlings
Frank C Sorensen · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
24 sayfa · 1994
Plant ecological genetics / Genetics / Ponderosa pine
Frank C. Sorensen · Pacific Northwest Forest and Range Experiment Station, USDA Forest Service
Sayfa sayısı yok · 1971
Douglas fir / Flowering time / Growth
Frank C. Sorensen · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest Research Station
23 sayfa · 1991
Douglas fir / Growth / Seeds / Stratification / Seed orchards
Frank C. Sorensen · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest Research Station
11 sayfa · 1990
Western larch / Seeds
Jens C. Sorensen, Frank Gable, Francesco Bandarin · American Society of Civil Engineers
293 sayfa · 1993
Coastal zone management
Frank C Sorensen · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Sayfa sayısı yok · 1980
Western hemlock
Frank C Sorensen · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
30 sayfa · 1992
Lodgepole pine / Research / Trees / Seedlings
Frank C Sorensen · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
11 sayfa · 1980
Germination / Douglas fir
Frank C. Sorensen · Pacific Northwest Forest and Range Experiment Station, USDA Forest Service
11 sayfa · 1972
Pollen / Douglas fir
Frank C Sorensen · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
30 sayfa · 1994
Ponderosa pine / Plant ecological genetics









