Hybrid Poplar Growth Response as Affected by Polyethylene Mulches PDF Download
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Author: Peter J. Kling
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
Author: Peter J. Kling
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
Author: David L. Maxwell
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 824
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Book Description
Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Author: United States. Cooperative State Research Service
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 732
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Book Description
Author: Keith Windell
Publisher:
ISBN:
Category : Mulching
Languages : en
Pages : 132
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Book Description
Author: Daniel Gagnon
Publisher: MDPI
ISBN: 3038977306
Category : Science
Languages : en
Pages : 192
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Book Description
Hardwood-dominated temperate forests (mostly in Eastern North America, Europe, North East Asia) provide valuable renewable timber and numerous ecosystem services. Many of these forests have been subjected to harvesting or conversion to agriculture, sometimes over centuries, that have greatly reduced their former extent and diversity. Natural regeneration following harvesting or during post-agricultural succession has often failed to restore these forests adequately. Past harvesting practices and the valuable timber of some species have led to a reduction in their abundance. The loss of apex predators has caused herbivore populations to increase and exert intense browsing pressure on hardwood regeneration, often preventing it. Particularly important are fruit, nut and acorn bearing species, because of their vital role in forest food webs and biodiversity. Restoring hardwood species to natural forests in which they were formerly more abundant will require a number of forest management actions (e.g., resistant hybrids, deer exclosures/protectors, enrichment planting, underplanting, etc.). Similarly, reforesting areas that were once natural forests will also require new silvicultural knowledge. Global warming trends will intensify the need for interventions to maintain the diversity and function of temperate hardwood forests, as well as for increase hardwood reforestation.
Author: United States. Cooperative State Research Services
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 124
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Book Description
Author: Jud G. Isebrands
Publisher: CABI
ISBN: 1780641087
Category : Technology & Engineering
Languages : en
Pages : 700
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Book Description
Poplars and willows form an important component of forestry and agricultural systems, providing a wide range of wood and non-wood products. This book synthesizes research on poplars and willows, providing a practical worldwide overview and guide to their basic characteristics, cultivation and use, issues, problems and trends. Prominence is given to environmental benefits and the importance of poplar and willow cultivation in meeting the needs of people and communities, sustainable livelihoods, land use and development.
Author: Munmaya Mishra
Publisher: CRC Press
ISBN: 1351019414
Category : Reference
Languages : en
Pages : 2954
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Book Description
Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.
Author: Rajiv K. Gupta (Associate professor)
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 344
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Book Description
Agrob - incl. maps
