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Author : Phillip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (319 download)
Download or read book Release of Douglas-fir Seedlings written by Phillip M. McDonald and published by . This book was released on 1986 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (246 download)
Download or read book Release of Douglas-fir Seedlings written by Philip M. McDonald and published by . This book was released on 1986 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 ( download)
Download or read book Repeated Manual Release in a Young Plantation written by Philip M. McDonald and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Douglas-fir seedlings on the Arcata Resource Area, Bureau of Land Management, U.S. Department of the Interior, in central coastal California, were released by chain sawing and grubbing competing vegetation around them at different frequencies (0, 2, and 3 grubbings) over a 5-year period. After 5 years, average Douglas-fir stem diameter (measured at 12 inches above mean groundline) of seedlings grubbed at ages 1,2, and 5 was 0.91 inches, and of seedlings grubbed after the first and fifth growing season was 0.95 inches. Both were significantly larger than counterparts in the control (0.57 inches). Tanoak, the most competitive species, constituted 84 percent of total plant cover in the control after 5 years, but only 25 percent on treated plots. Combined shrubs varied little between the untreated control and treated plots and averaged about 7 percent of total foliar cover. Grasses were not present in the control and only for the fifth year in treated plots. The most abundant forb, a hedge nettle, increased greatly in density in both control and treated plots. These relationships and others denoted in the paper yield valuable ecological information on species and community dynamics in both a natural and treated environment. Crew time (no overhead or travel costs) for the three grubbings was 52 hours and for the two grubbings was 44 hours.
Author : Philip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)
Download or read book Ecology and Development of Douglas-fir Seedlings and Associated Plant Species in a Coast Range Plantation written by Philip M. McDonald and published by . This book was released on 1999 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leo Anthony Isaac
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (31 download)
Download or read book Factors Affecting Establishment of Douglas Fir Seedlings written by Leo Anthony Isaac and published by . This book was released on 1938 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. O. Strothmann
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)
Download or read book Douglas-fir seedlings planted by four methods written by R. O. Strothmann and published by . This book was released on 1976 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leo Anthony Isaac
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (38 download)
Download or read book Reproduction Habits of Douglas-fir written by Leo Anthony Isaac and published by . This book was released on 1943 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Russell A. Ryker
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (319 download)
Download or read book Shade Increases First-year Survival of Douglas-fir Seedlings written by Russell A. Ryker and published by . This book was released on 1970 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William I. Stein
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Wrenching Douglas-fir Seedlings in August written by William I. Stein and published by . This book was released on 1984 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. O. Strothmann
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (319 download)
Download or read book Douglas-fir Survival and Growth in Response to Spring Planting Date and Depth written by R. O. Strothmann and published by . This book was released on 1971 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. P. Wells
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Chilling Requirements for Optimal Growth of Rocky Mountain Douglas-fir Seedlings written by S. P. Wells and published by . This book was released on 1979 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth William Krueger
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (319 download)
Download or read book Foliar Mineral Content of Forest- and Nursery-grown Douglas-fir Seedlings written by Kenneth William Krueger and published by . This book was released on 1967 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 ( download)
Download or read book Timing and Duration of Release Treatments Affect Vegetation Development in a Young California White Fir Plantation written by Philip M. McDonald and published by . This book was released on 2001 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. A. Radwan
Publisher :
ISBN 13 :
Total Pages : 706 pages
Book Rating : 4.F/5 ( download)
Download or read book Response of Douglas-fir Seedlings to Nitrogen, Sulfur, and Phosphorus Fertilizers written by M. A. Radwan and published by . This book was released on 1985 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Lopushinsky
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (312 download)
Download or read book Relationship of Shoot-root Ration to Survival and Growth of Outplanted Douglas-fir and Ponderosa Pine Seedlings written by W. Lopushinsky and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Gratkowski
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.X/5 (2 download)
Download or read book Survival of Douglas-fir Seedlings Sprayed with Atrazine, Terbacil, and 2,4-D written by H. Gratkowski and published by . This book was released on 1979 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip M. McDonald
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)
Download or read book Development of a Mixed Shrub-tanoak-Douglas-fir Community in a Treated and Untreated Condition written by Philip M. McDonald and published by . This book was released on 1996 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
