Soil Organic Matter In Temperate Agroecosystemslong Term Experiments In North America
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Soil Organic Matter in Temperate AgroecosystemsLong Term Experiments in North America
Author | : Eldor A. Paul,Keith H. Paustian,E. T. Elliott,C. Vernon Cole |
Publsiher | : CRC Press |
Total Pages | : 436 |
Release | : 2019-08-16 |
Genre | : Science |
ISBN | : 9781000721966 |
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The presence - or absence - of soil organic matter (SOM) has important implications for agricultural productivity. It could also have significant implications for global climate due to its role as a source/sink of carbon. Therefore, it is important to understand the issues related to the accumulation or loss of SOM, to use what we have learned from experiments to make sound decisions about soil and crop management, and to test models and future concepts concerning SOM management. A database is included with the book, presenting tabular data for 34 sites in North America. Soil Organic Matter in Temperate Agroecosystems discusses all of these issues and more, answering such questions as:
Sustainable Management of Soil Organic Matter
Author | : R. M. Rees,B. Ball,C. Watson,C. Campbell |
Publsiher | : CABI |
Total Pages | : 464 |
Release | : 2000-12-11 |
Genre | : Technology & Engineering |
ISBN | : 0851997155 |
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Includes some fifty edited and revised papers from an international conference on Sustainable Management of Soil Organic Matter, held by the British Society of Soil Science in Edinburgh in September 1999. The book explores the results of recent research studies examining how organic matter functions in soils, factors affecting organic matter quality and quantity and how management of organic matter can be optimised in order to achieve sustainable farming practices.
Soil Processes and the Carbon Cycle
Author | : Rattan Lal,John M. Kimble,Ronald F. Follett,B.A. Stewart |
Publsiher | : CRC Press |
Total Pages | : 624 |
Release | : 2018-02-06 |
Genre | : Technology & Engineering |
ISBN | : 9781351415767 |
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World soils contain about 1500 gigatons of organic carbon. This large carbon reserve can increase atmospheric concentrations of CO2 by soil misuse or mismanagement, or it can reverse the 'greenhouse' effect by judicious land use and proper soil management. Soil Processes and the Carbon Cycle describes soil processes and their effects on the global carbon cycle while relating soil properties to soil quality and potential and actual carbon reserves in the soil. In addition, this book deals with modeling the carbon cycle in soil, and with methods of soil carbon determinations.
Soil Organic Matter in Sustainable Agriculture
Author | : Fred Magdoff,Ray R. Weil |
Publsiher | : CRC Press |
Total Pages | : 707 |
Release | : 2004-05-27 |
Genre | : Nature |
ISBN | : 9781135512064 |
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Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in the prevention of chemical, biological, and physic
Management of Carbon Sequestration in Soil
Author | : Rattan Lal |
Publsiher | : CRC Press |
Total Pages | : 811 |
Release | : 2019-08-08 |
Genre | : Science |
ISBN | : 9781351091152 |
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This book addresses the importance of soil processes in the global carbon cycle.Agricultural activities considered responsible for an increase in CO2 levels in our atmosphere include: deforestation, biomass burning, tillage and intensive cultivation, and drainage of wetlands.However, agriculture can also be a solution to the problem in which carbon can be removed from the atmosphere and permanently sequestered into the soil. Management of Carbon Sequestration in Soil highlights the importance of world soils as a sink for atmospheric carbon and discusses the impact of tillage, conservation reserve programs (CRP), management of grasslands and woodlands, and other soil and crop management and land use practices that lead to carbon sequestration.
Australian Journal of Experimental Agriculture
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1288 |
Release | : 1995 |
Genre | : Agriculture |
ISBN | : CORNELL:31924080001153 |
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Evaluation of Soil Organic Matter Models
Author | : David S. Powlson,Pete Smith,Jo U. Smith |
Publsiher | : Springer Science & Business Media |
Total Pages | : 424 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 9783642610943 |
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Soil organic matter (SOM) represents a major pool of carbon within the biosphere, roughly twice than in atmospheric CO2. SOM models embody our best understanding of soil carbon dynamics and are needed to predict how global environmental change will influence soil carbon stocks. These models are also required for evaluating the likely effectiveness of different mitigation options. The first important step towards systematically evaluating the suitability of SOM models for these purposes is to test their simulations against real data. Since changes in SOM occur slowly, long-term datasets are required. This volume brings together leading SOM model developers and experimentalists to test SOM models using long-term datasets from diverse ecosystems, land uses and climatic zones within the temperate region.
The Ecology of Agricultural Landscapes
Author | : Stephen K. Hamilton,Julie E. Doll,G. Philip Robertson |
Publsiher | : Oxford University Press |
Total Pages | : 448 |
Release | : 2015-03-03 |
Genre | : Science |
ISBN | : 9780199773480 |
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Evidence has been mounting for some time that intensive row-crop agriculture as practiced in developed countries may not be environmentally sustainable, with concerns increasingly being raised about climate change, implications for water quantity and quality, and soil degradation. This volume synthesizes two decades of research on the sustainability of temperate, row-crop ecosystems of the Midwestern United States. The overarching hypothesis guiding this work has been that more biologically based management practices could greatly reduce negative impacts while maintaining sufficient productivity to meet demands for food, fiber and fuel, but that roadblocks to their adoption persist because we lack a comprehensive understanding of their benefits and drawbacks. The research behind this book, based at the Kellogg Biological Station (Michigan State University) and conducted under the aegis of the Long-term Ecological Research network, is structured on a foundation of large-scale field experiments that explore alternatives to conventional, chemical-intensive agriculture. Studies have explored the biophysical underpinnings of crop productivity, the interactions of crop ecosystems with the hydrology and biodiversity of the broader landscapes in which they lie, farmers' views about alternative practices, economic valuation of ecosystem services, and global impacts such as greenhouse gas exchanges with the atmosphere. In contrast to most research projects, the long-term design of this research enables identification of slow or delayed processes of change in response to management regimes, and allows examination of responses across a broader range of climatic variability. This volume synthesizes this comprehensive inquiry into the ecology of alternative cropping systems, identifying future steps needed on the path to sustainability.