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Increasing Planting Stock Size By Family Selection In California Ponderosa Pine
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Book Synopsis Increasing Planting Stock Size by Family Selection in California Ponderosa Pine by : James L. Jenkinson
Download or read book Increasing Planting Stock Size by Family Selection in California Ponderosa Pine written by James L. Jenkinson and published by . This book was released on 1975 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind-pollinated families from four geographic areas in the northern Sierra Nevada were tested in the nursery. For every area, the native families differed significantly from each other in 1-year seedling height, and in 2-year height, diameter, and stem volume. Family growth was poorly correlated with family seed weight; it was independent of germination speed and seed parent stem volume. The size of planting stock can be improved and small-grade seedling production decreased by eliminating from future collections seed trees whose families show poor growth in the nursery.
Book Synopsis Increasing Planting Stock Size by Family Selection in California Ponderosa Pine by : James L. Jenkinson
Download or read book Increasing Planting Stock Size by Family Selection in California Ponderosa Pine written by James L. Jenkinson and published by . This book was released on 1975 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Increasing Planting Stock Size by Family Selection in California Ponderosa Pine by :
Download or read book Increasing Planting Stock Size by Family Selection in California Ponderosa Pine written by and published by . This book was released on 1975 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) Publisher : ISBN 13 : Total Pages :596 pages Book Rating :4.:/5 (89 download)
Book Synopsis USDA Forest Service Research Paper PSW. by : Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Download or read book USDA Forest Service Research Paper PSW. written by Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) and published by . This book was released on 1973 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tables of Geometry for Low-standard Roads for Watershed Management Considerations, Slope Staking, and End Areas by : Walter F. Megahan
Download or read book Tables of Geometry for Low-standard Roads for Watershed Management Considerations, Slope Staking, and End Areas written by Walter F. Megahan and published by . This book was released on 1976 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1973 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1975 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth of Planted Ponderosa Pine Thinned to Different Stocking Levels in Northern California by : William W. Oliver
Download or read book Growth of Planted Ponderosa Pine Thinned to Different Stocking Levels in Northern California written by William W. Oliver and published by . This book was released on 1979 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Growth was strongly related to growing stock level (GSL) for 5 years after thinning 20-year-old poles on Site Index50 115 land at the Elliot Ranch Plantation in northern California. Five GSL's- basal areas anticipated when trees average 10 inches d. b. h. or more - ranging from 40 to 160 square feet per acre were tested. Periodic annual increment (PAI) in diameter decreased curvilinearly from 0.51 to 0.21 inch, with increasing GSL's from 40 to 160. But only trees in plots heavily thinned to GSL 40 (and briefly in GSL 70) grew faster in diameter after thinning than these same trees grew before thinning. PAI in basal area and net volume rose steadily with increasing GSL9s, reaching 9.0 square feet and 255 cubic feet per acre, respectively, at GSL 160. Apparently, even light thinning reduced volume production, but thinning still is recommended to shorten time until first commercial entry and to promote stand health.
Author :Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) Publisher : ISBN 13 : Total Pages :596 pages Book Rating :4.3/5 (91 download)
Book Synopsis USDA Forest Service General Technical Report PSW. by : Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Download or read book USDA Forest Service General Technical Report PSW. written by Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) and published by . This book was released on 1976 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis USDA Forest Service Research Paper PSW. by :
Download or read book USDA Forest Service Research Paper PSW. written by and published by . This book was released on with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Edaphic Interactions in First-year Growth of California Ponderosa Pine by : James L. Jenkinson
Download or read book Edaphic Interactions in First-year Growth of California Ponderosa Pine written by James L. Jenkinson and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guide to U.S. Government Publications by : John L. Andriot
Download or read book Guide to U.S. Government Publications written by John L. Andriot and published by . This book was released on 1977 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environment Reporter written by and published by . This book was released on 1978 with total page 1306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weather and Tree Growth Associated with White Fir Mortality Caused by Fir Engraver and Roundheaded Fir Borer by : Craig D. Whitesell
Download or read book Weather and Tree Growth Associated with White Fir Mortality Caused by Fir Engraver and Roundheaded Fir Borer written by Craig D. Whitesell and published by . This book was released on 1974 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ohia forest decline-its severity and rate of spread-was studied by aerial photographic techniques on a 197,000-acre (80,000-ha) portion of the island of Hawaii. In 1954, only 300 acres (121 ha) showed signs of severe decline; by 1972, the acreage of severely affected forest had increased to 85,200 acres (34,480 ha). Rate of decline and current severity were related to mean annual precipitation and to elevation. The epidemic is continuing. Some forests on other Hawaiian islands also display decline symptoms.
Book Synopsis Lindane in forestry by : Thomas W. Koerber
Download or read book Lindane in forestry written by Thomas W. Koerber and published by . This book was released on 1976 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
