The Online Books Page

Online Books by

H. Gratkowski

Books from the extended shelves:

• Gratkowski, H.: Aerial application equipment for herbicidal drift reduction (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976), also by R. E. Stewart and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Gratkowski, H.: Aerial spray adjuvants for herbicidal drift control (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973), also by R. E. Stewart (page images at HathiTrust)
• Gratkowski, H.: Brush problems in southwestern Oregon. (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1961) (page images at HathiTrust)
• Gratkowski, H.: Effects of herbicides on some important brush species in southwestern Oregon (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1959), also by Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Gratkowski, H.: The future role of chemicals in forestry (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973), also by Robert F. Tarrant and William E. Waters (page images at HathiTrust)
• Gratkowski, H.: Herbicidal drift control : aerial spray equipment, formulations, and supervision (Pacific Northwest Research Station, U.S. Dept. of Agriculture, Forest Service, 1974) (page images at HathiTrust)
• Gratkowski, H.: Herbicides for grass and forb control in Douglas-fir plantations (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976), also by United States Forest Service and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Gratkowski, H.: Herbicides for shrub and weed tree control in western Oregon (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978), also by Or.) Pacific Northwest Forest and Range Experiment Station (Portland and United States Forest Service (page images at HathiTrust)
• Gratkowski, H.: Midsummer foliage sprays on salmonberry and thimbleberry (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971) (page images at HathiTrust)
• Gratkowski, H.: Pregermination treatments for redstem ceanothus seeds (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1973), also by Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Gratkowski, H.: Reclamation of nonsprouting greenleaf manzanita brushfields in the Cascade Range (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1968), also by Lyle Anderson (page images at HathiTrust)
• Gratkowski, H.: Repeated spraying to control southwest Oregon brush species (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968) (page images at HathiTrust)
• Gratkowski, H.: Silvicultural use of herbicides in Pacific Northwest forests (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1975), also by Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Gratkowski, H.: Survival of Douglas-fir seedlings sprayed with atrazine, terbacil, and 2,4-D (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979), also by L. Armstrong, R. Jaszkowski, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)

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