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| Author | : William D. Rowley |
| Publisher | : Government Printing Office |
| Total Pages | : 572 |
| Release | : 2006 |
| Genre | : Business & Economics |
| ISBN | : |
On cover: Reclamation, Managing Water in the West. Tells the history of the Bureau of Reclamation from 1902-1945.
| Author | : Hans Jenny |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 392 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 1461261120 |
change is simply described by the rate of income and rate of loss. Our home's energy budget, our firm's inventory, our nation's debt, and humanity's numbers all have accounts that change at rates that are equal to the inputs minus the outputs. Jenny's "system view" of the soil was carried into the fertile fields of Midwestern American prairies from the laboratories of Switzerland in the late 1920s. Jenny's rate equations provided the other paradigm or world view that, I recall, brought us to the threshold of systems ecology as it later evolved in the second half of the twentieth century. As if world renown in the specialties of pedology and soil chemistry were not enough for one lifetime, excerpts below remind us that Hans Jenny has also been a perceptive outdoor field ecologist since his early Alpine expeditions with Braun Blanquet in the mid 1920s. Jenny's ecosystem studies in the pygmy forest, a further classic example of a soil-plant system "run down" over hundreds of thousands of years since its origin, continue to occupy some of the vigorous retirement time near his farm in Mendocino County. But each specific, quantitative case study, and each research area conserved (with additional hard work) for further study by future generations, fits into Jenny's coherent world view. It is that view, and its legacies of discovery and of tangible landscape preserves, which we are privileged to share with their originator in this volume.
| Author | : Javier Abadía |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 389 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401105030 |
Iron is a major constituent of the earth crust. However, under alkaline conditions commonly found in arid and semi-arid environments iron becomes unavailable to plants. When plants are affected by a shortage of iron their leaves become yellow (chlorotic), and both plant growth and crop yield are reduced. The roots of plants affected by iron deficiency may develop a series of responses directed to improve iron uptake, such as increased proton excretion and iron reduction capabilities or excretion of iron chela tors called siderophores. Iron deficiency affects major crops worldwide, including some of major economic importance such as fruit trees and others. Correction of iron deficiency is usually implemented through costly application of synthetic chelates. Since these correction methods are very expensive, the competitivity of farmers is often reduced and iron deficiency may become a limiting factor for the maintenance, introduction or expansion of some crops. In spite of the many years devoted to the study of iron deficiency, the knowledge of iron deficiency in soils and plants is still fragmentary in many aspects. We have only incomplete information on the processes at the molecular level that make some plant species and cultivars unable to take and utilize iron from the soil, whereas other plants grow satisfactorily under the same conditions.
| Author | : Edward A. Ackerman |
| Publisher | : Routledge |
| Total Pages | : 770 |
| Release | : 2013-11-26 |
| Genre | : Law |
| ISBN | : 1134003455 |
Technology in American Water Development is an exploratory study. This book addresses the proven technology which has influenced water development in the past, those still effective in shaping its course and the emerging technology of today. The heart of this study is in the thirty-one case descriptions selected from both the emerging and proven technology. Each case description has been treated as briefly as is consistent with clarity, and nontechnical language has been used wherever possible. This title will help to introduce engineers and physical scientists to the administrative problems and opportunities which stem from their works.
| Author | : F.G.H. Blyth |
| Publisher | : CRC Press |
| Total Pages | : 336 |
| Release | : 2017-12-21 |
| Genre | : Technology & Engineering |
| ISBN | : 0080523730 |
No engineering structure can be built on the ground or within it without the influence of geology being experienced by the engineer. Yet geology is an ancillary subject to students of engineering and it is therefore essential that their training is supported by a concise, reliable and usable text on geology and its relationship to engineering. In this book all the fundamental aspects of geology are described and explained, but within the limits thought suitable for engineers. It describes the structure of the earth and the operation of its internal processes, together with the geological processes that shape the earth and produce its rocks and soils. It also details the commonly occurring types of rock and soil, and many types of geological structure and geological maps. Care has been taken to focus on the relationship between geology and geomechanics, so emphasis has been placed on the geological processes that bear directly upon the composition, structure and mechanics of soil and rocks, and on the movement of groundwater. The descriptions of geological processes and their products are used as the basis for explaining why it is important to investigate the ground, and to show how the investigations may be conducted at ground level and underground. Specific instruction is provided on the relationship between geology and many common activities undertaken when engineering in rock and soil.
| Author | : Jia'en Lin |
| Publisher | : Springer Nature |
| Total Pages | : 501 |
| Release | : 2019-12-16 |
| Genre | : Technology & Engineering |
| ISBN | : 9811508607 |
This book is a compilation of selected papers from the 3rd International Petroleum and Petrochemical Technology Conference (IPPTC 2019). The work focuses on petroleum & petrochemical technologies and practical challenges in the field. It creates a platform to bridge the knowledge gap between China and the world. The conference not only provides a platform to exchanges experience but also promotes the development of scientific research in petroleum & petrochemical technologies. The book will benefit a broad readership, including industry experts, researchers, educators, senior engineers and managers.
| Author | : João Lucio de Azevedo |
| Publisher | : Springer |
| Total Pages | : 441 |
| Release | : 2017-06-10 |
| Genre | : Science |
| ISBN | : 3319558048 |
This book addresses the diversity of tropical microorganisms and its applications in agriculture, renewable energy production and environmental protection. It covers several tropical habitats such as rain forests, mangroves, sea and river waters and describes how microorganisms isolated from these regions can be used to control insects and plant diseases, to improve sugar cane and biofuels production among other applications. The book also aims to bring researchers’ attention to the potential of tropical microorganisms for biotechnological purposes, an area that is still far from being well explored.
| Author | : Albert C. T. Antrei |
| Publisher | : |
| Total Pages | : 435 |
| Release | : 1999-01-01 |
| Genre | : Sanpete County (Utah) |
| ISBN | : 9780913738429 |
| Author | : Edward N. Ziegler |
| Publisher | : CRC Press |
| Total Pages | : 0 |
| Release | : 2012-06-25 |
| Genre | : Science |
| ISBN | : 9781439804421 |
"The authors ... continue the pursuit of new knowledge, calculated to bring new fruits of health, safety, and comfort to man and his environs. The charms, as well as the subtle hazards, of the terms ‘conservation, preservation, and ecology’ need to be crystallized so that the public and their decision-makers practice this complex art with clearer conception and perception than is apparent in recent bitter confrontations." —From the Foreword to the Fourth Edition by Abel Wolman What’s New in This Edition: New entries on environmental and occupational toxicology, geoengineering, and lead abatement Twenty-five significantly updated entries, including expanded discussion of water supplies and waste water treatment, biomass and renewable energy, and international public health issues An expanded list of acronyms and abbreviations Encyclopedia of Environmental Science and Engineering, Sixth Edition is still the most comprehensive, authoritative reference available in the field. This monumental two-volume encyclopedia now includes entries on topics ranging from acid rain, air pollution, and community health to environmental law, instrumentation, modeling, alternative energy, radioactive waste, and water treatment. The broad coverage includes highly specialized topics as well as those that transcend traditional disciplinary boundaries, reflecting the interdisciplinary skills and knowledge required by environmental researchers and engineers. Featuring expert contributors representing industry, academia, and government agencies, the encyclopedia presents fundamental concepts and applications in environmental science and engineering. The entries are supported by extensive figures, photographs, tables, and equations. This sixth edition includes new material on water supplies and wastewater treatment, biomass and renewable energy, and international public health issues. New entries cover environmental and occupational toxicology, geoengineering, and lead abatement. The Encyclopedia of Environmental Science and Engineering provides a view of the field that helps readers understand, manage, and respond to threats to the human environment. Contact us to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367 / (email) [email protected] International: (Tel) +44 (0) 20 7017 6062 / (email) [email protected]
