Download or read book The Growth and Nutrition of White Pine Pinus Strobus L Seedlings in Cultures with Varying Nitrogen Phosphorus Potassium and Calcium written by Harold L. Mitchell and published by . This book was released on 1939 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some nos. include bibliographies.
Download or read book The Growth and Nutrition of White Pine Pinus Strobus L Seedlings in Culture with Varying Nitrogen Phosphorus Potassium and Calcium with Observations on the Relation of Seed Weight to Seedling Yield written by H.L. Mitchell and published by . This book was released on 1939 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Growth and Nutrition of White Pine Pinus Strobus L Seedlings in Cultures with Varying Nitrogen Pbosphorus Potassium and Calcium written by H. L. Mitchell and published by . This book was released on 1939 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Growth and Nutrition of White Pine Pinus Strobus L Seedlings in Cultures with Varying Nitrogen Phosphorus Potassium and Calcium written by Harold L. Mitchell and published by . This book was released on 1939 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Selected and Annotated Bibliography of Eastern White Pine Pinus Strobus L 1890 1954 written by and published by . This book was released on 1966 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book USDA Forest Service Research Paper NE written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1965 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Forest Service Research Paper NE written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1963 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book USDA Forest Service General Technical Report NE written by and published by . This book was released on 1973 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book White Pine written by John Pastor and published by Island Press. This book was released on 2023-01-05 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: America was built on white pine. From the 1600s through the Civil War and beyond, it was used to build the nation’s ships and houses, barns, and bridges. It became a symbol of independence, adorning the Americans’ flag at Bunker Hill, and an economic engine, generating three times more wealth than the California gold rush. Yet this popularity came at a cost: by the end of the 19th century, clear cutting had decimated much of America’s white pine forests. In White Pine: The Natural and Human History of a Foundational American Tree, ecologist and writer John Pastor takes readers on walk through history, connecting the white pine forests that remain today to a legacy of destruction and renewal. Since the clear-cutting era, naturalists, foresters, and scientists have taken up the quest to restore the great white pine forests. White Pine follows this centuries-long endeavor, illuminating how the efforts shaped Americans’ understanding of key scientific ideas, from forest succession to the importance of fire. With his keen naturalist’s eye, Pastor shows us why restoring the vitality of these forests has not been simple: a host of other creatures depend on white pine and white pine depends on them. In weaving together cultural and natural history, White Pine celebrates the way humans are connected to the forest—and to the larger natural world. Today, white pine forests have begun to recover, but face the growing threat of climate change. White Pine shows us that hope for healthy forests lies in understanding the lessons of history, so that iconic species survive as a touchstone for future generations.
Download or read book Station Paper written by and published by . This book was released on 1950 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mycorrhizae and Phosphorus Nutrition of Pine Seedlings in a Prairie Soil Nursery written by A. L. McComb and published by . This book was released on 1943 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Symposium on the Effect of Growth Acceleration on the Properties of Wood written by and published by . This book was released on 1972 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Occasional Paper written by and published by . This book was released on 1951 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Improvement in Butt log Grade with Increase in Tree Size for Six Hardwood Species written by George R. Trimble (Jr.) and published by . This book was released on 1965 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: S2Work carried out by the Northeastern Forest Experiment Station in West Virginia in the past 12 years provides useful information about the relationships between tree d.b.h. and butt-log grade. The upper logs are not included in the relationships. Being smaller and containing more knots, these upper logs are generally of lower grade than the butt logs. Thus the average grade of all material in the sawlog portion of the tree is generally lower than the average grade of the butt log. In the West Virginia data, species differences in d.b.h.-grade relationship are readily apparent. This inherent tendency for species to have different proportions of the various grades in logs of the same size is a familiar phenomenon to grade-conscious foresters who work with hardwoods. The results in this paper provide a quantitative evaluation of this tendency for six of the local species.S3.
Download or read book Early Development in Eastern White Pine of Various Seed Sources Grown in Central New England written by Frank William Whitmore and published by . This book was released on 1955 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analysis of Temperate Forest Ecosystems written by D.E. Reichle and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of concise books, each by one or several authors, will provide prompt, world-wide information on approaches to analyzing ecological systems and their interacting parts. Syntheses of results in turn will illustrate the effectiveness, and the limitations, of current knowledge. This series aims to help overcome the fragmen tation of our understanding about natural and managed landscapes and water- about man and the many other organisms which depend on these environments. We may sometimes seem complacent that our environment has supported many civilizations fairly well - better in some parts of the Earth than in others. Modern technology has mastered some difficulties but creates new ones faster than we anticipate. Pressures of human and other animal populations now highlight complex ecological problems of practical importance and theoretical scientific interest. In every climatic-biotic zone, changes in plants, soils, waters, air and other resources which support life are accelerating. Such changes engulf not only regions already crowded or exploited. They spill over into more natural areas where contrasting choices for future use should remain open to our descendents-where Nature's own balances and imbalances can be interpreted by imaginative research, and need to be.
Download or read book Experiment Station Record written by United States. Office of Experiment Stations and published by . This book was released on 1939 with total page 2162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
