Soil Organic Matter And Feeding The Future
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Soil Organic Matter And Feeding The Future
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Author : Rattan Lal
language : en
Publisher: CRC Press
Release Date : 2021-12-09
Soil Organic Matter And Feeding The Future written by Rattan Lal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-09 with Science categories.
Soil organic matter (SOM) is the primary determinant of soil functionality. Soil organic carbon (SOC) accounts for 50% of the SOM content, accompanied by nitrogen, phosphorus, and a range of macro and micro elements. As a dynamic component, SOM is a source of numerous ecosystem services critical to human well-being and nature conservancy. Important among these goods and services generated by SOM include moderation of climate as a source or sink of atmospheric CO2 and other greenhouse gases, storage and purification of water, a source of energy and habitat for biota (macro, meso, and micro-organisms), a medium for plant growth, cycling of elements (N, P, S, etc.), and generation of net primary productivity (NPP). The quality and quantity of NPP has direct impacts on the food and nutritional security of the growing and increasingly affluent human population. Soils of agroecosystems are depleted of their SOC reserves in comparison with those of natural ecosystems. The magnitude of depletion depends on land use and the type and severity of degradation. Soils prone to accelerated erosion can be strongly depleted of their SOC reserves, especially those in the surface layer. Therefore, conservation through restorative land use and adoption of recommended management practices to create a positive soil-ecosystem carbon budget can increase carbon stock and soil health. This volume of Advances in Soil Sciences aims to accomplish the following: Present impacts of land use and soil management on SOC dynamics Discuss effects of SOC levels on agronomic productivity and use efficiency of inputs Detail potential of soil management on the rate and cumulative amount of carbon sequestration in relation to land use and soil/crop management Deliberate the cause-effect relationship between SOC content and provisioning of some ecosystem services Relate soil organic carbon stock to soil properties and processes Establish the relationship between soil organic carbon stock with land and climate Identify controls of making soil organic carbon stock as a source or sink of CO2 Connect soil organic carbon and carbon sequestration for climate mitigation and adaptation
Soil Organic Carbon And Feeding The Future
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Author : Rattan Lal
language : en
Publisher: CRC Press
Release Date : 2022-01-18
Soil Organic Carbon And Feeding The Future written by Rattan Lal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-18 with Science categories.
Soil organic matter (SOM) is a highly reactive constituent of the soil matrix because of its large surface area, high ion exchange capacity, enormous affinity for water due to hygroscopicity, and capacity to form organo-mineral complexes. It is an important source and sink of atmospheric CO2 and other greenhouse gases depending on climate, land use, soil and crop management, and a wide range of abiotic and biotic factors, including the human dimensions of socioeconomic and political factors. Agroecosystems are among important controls of the global carbon cycle with a strong impact on anthropogenic or abrupt climate change. This volume of Advances in Soil Sciences explains pedological processes set-in-motion by increases in SOM content of depleted and degraded soils. It discusses the relationship between SOM content and critical soil quality parameters including aggregation, water retention and transport, aeration and gaseous exchange, and chemical composition of soil air. The book identifies policy options needed to translate science into action for making sustainable management of SOM as a strategy for adaptation to and mitigation of climate change. Features: Relates soil organic matter stock to soil processes, climate parameters, vegetation, landscape attributes Establishes relationships between soil organic matter and land use, species, and climate Identifies land use systems for protecting and restoring soil organic matter stock Links soil organic matter stock with the global carbon cycle for mitigation of climate change Part of the Advances in Soil Sciences series, this volume will appeal to agricultural, environmental, and soil scientists demonstrating the link between soil organic matter stock and provisioning of critical ecosystem services for nature and humans.
The Importance Of Soil Organic Matter
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Author : Alexandra Bot
language : en
Publisher: Food & Agriculture Org.
Release Date : 2005
The Importance Of Soil Organic Matter written by Alexandra Bot and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Technology & Engineering categories.
Soil organic matter - the product of on-site biological decomposition - affects the chemical and physical properties of the soil and its overall health. Its composition and breakdown rate affect: the soil structure and porosity; the water infiltration rate and moisture holding capacity of soils; the diversity and biological activity of soil organisms; and plant nutrient availability. This document concentrates on the organic matter dynamics of cropping soils and discusses the circumstances that deplete organic matter and their negative outcomes. It then moves on to more proactive solutions. It reviews a "basket" of practices in order to show how they can increase organic matter content and discusses the land and cropping benefits that then accrue.--Publisher's description.
Soil Organic Carbon
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2018-07-18
Soil Organic Carbon written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-18 with Technology & Engineering categories.
The publication was launched at the Global Symposium on Soil Organic Carbon (GSOC) held at FAO headquarters (Rome, 21-23 March 2017). It provides an overview to decision-makers and practitioners of the main scientific facts and information regarding the current knowledge and knowledge gaps on Soil Organic Carbon. It highlights how better information and good practices may be implemented to support ending hunger, adapting to and mitigating climate change and achieving overall sustainable development.
Soil Organic Matter In Sustainable Agriculture
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Author : Fred Magdoff
language : en
Publisher: CRC Press
Release Date : 2004-05-27
Soil Organic Matter In Sustainable Agriculture written by Fred Magdoff and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-27 with Technology & Engineering categories.
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 physical problems. Soil Organic Matter in Sustainable Agriculture gathers key scientific reviews concerning issues that are critical for successful SOM management. This textbook contains evaluations of the types of organic soil constituents—organisms, fresh residues, and well-decomposed substances. It explores the beneficial effects of organic matter on soil and the various practices that enhance SOM. Chapters include an examination of the results of crop management practices on soil organisms, organic matter gains and losses, the significance of various SOM fractions, and the contributions of fungi and earthworms to soil quality and crop growth. Emphasizing the prevention of imbalances that lead to soil and crop problems, the text also explores the development of soils suppressive to plant diseases and pests, and relates SOM management to the supply of nutrients to crops. This book provides the essential scientific background and poses the challenging questions that students need to better understand SOM and develop improved soil and crop management systems.
Soil Organic Matter In Temperate Agroecosystemslong Term Experiments In North America
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Author : Eldor A. Paul
language : en
Publisher: CRC Press
Release Date : 2019-08-16
Soil Organic Matter In Temperate Agroecosystemslong Term Experiments In North America written by Eldor A. Paul and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-16 with Science categories.
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:
Soil Organic Carbon Accumulation And Greenhouse Gas Emission Reductions From Conservation Agriculture
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Author : Sandra Corsi
language : en
Publisher: Much-in-Little
Release Date : 2012
Soil Organic Carbon Accumulation And Greenhouse Gas Emission Reductions From Conservation Agriculture written by Sandra Corsi and has been published by Much-in-Little this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Agricultural conservation categories.
Building Soils For Better Crops
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Author : Fred Magdoff
language : en
Publisher:
Release Date : 2000
Building Soils For Better Crops written by Fred Magdoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Technology & Engineering categories.
Organic Farming
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Author : C. Sarath Chandran
language : en
Publisher: Springer
Release Date : 2019-05-14
Organic Farming written by C. Sarath Chandran and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-14 with Technology & Engineering categories.
This volume provides an overview of the fundamental concepts and recent advancements in organic farming, a form of agriculture that is increasing rapidly in popularity. Readers will discover information on the history of organic farming, environmental friendly practices and challenges, and innovations in the field. The chapter authors analyze pertinent aspects of this integrated farming system including strategies to improve seed quality, methods to improve soil fertility, and the advantages of using organic fertilizers. Particular attention is also given to weed management practices, bioenergy production and insights into the ways organic farming can adapt to global climate change and build sustainable food systems for future generations. Scientists, decision-makers, professors, and farmers who wish to work towards making agricultural systems more sustainable will find this book appealing.
The Future Of Soil Science
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Author : Alfred E. Hartemink
language : en
Publisher:
Release Date : 2006
The Future Of Soil Science written by Alfred E. Hartemink and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Soil science categories.
This book contains the views from 55 soil scientists in 28 countries - from Finland to South Africa, from Canada to Ghana, Malaysia and China.