The Online Books Page

Books by John S. Shumway:

Books in the extended shelves:

• Shumway, John S.: Effects of manganese and manganese-nitrogen applications on growth and nutrition of Douglas-fir seedlings (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979), also by M. A. Radwan, Dean S. DeBell, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Shumway, John S.: Response of Douglas-fir seedlings to nitrogen, sulfur, and phosphorus fertilizers (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1985), also by M. A. Radwan and Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)
• Shumway, John S.: Thinning shock and response to fertilizer less than expected in young Douglas-fir stand at Wind River Experimental Forest (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2002), also by Dean S. DeBell, Constance A. Harrington, and Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)

Find more by John S. Shumway at your library, or elsewhere.