Soil Aggregate Formation
Author | : J. H. Stallings |
Publisher | : |
Total Pages | : 28 |
Release | : 1952 |
Genre | : Soil structure |
ISBN | : |
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Author | : J. H. Stallings |
Publisher | : |
Total Pages | : 28 |
Release | : 1952 |
Genre | : Soil structure |
ISBN | : |
Author | : M.R. Carter |
Publisher | : CRC Press |
Total Pages | : 502 |
Release | : 1995-10-23 |
Genre | : Technology & Engineering |
ISBN | : 9781566700337 |
Soils comprise the largest pool of terrestrial carbon and therefore are an important component of carbon storage in the biosphere-atmosphere system. Structure and Organic Matter Storage in Agricultural Soils explores the mechanisms and processes involved in the storage and sequestration of carbon in soils. Focusing on agricultural soils - from tropical to semi-arid types - this new book provides an in-depth look at structure, aggregation, and organic matter retention in world soils. The first two sections of the book introduce readers to the basic issues and scientific concepts, including soil structure, underlying mechanisms and processes, and the importance of agroecosystems as carbon regulators. The third section provides detailed discussions of soil aggregation and organic matter storage under various climates, soil types, and soil management practices. The fourth section addresses current strategies for enhancing organic matter storage in soil, modelling techniques, and measurement methods. Throughout the book, the importance of the soil structure-organic matter storage relationship is emphasized. Anyone involved in soil science, agriculture, agronomy, plant science, or greenhouse gas and global change studies should understand this relationship. Structure and Organic Matter Storage in Agricultural Soils provides an ideal source of information not only on the soil structure-storage relationship itself, but also on key research efforts and direct applications related to the storage of organic matter in agricultural soils.
Author | : Marcel F. De Boodt |
Publisher | : Springer Science & Business Media |
Total Pages | : 598 |
Release | : 2013-11-21 |
Genre | : Science |
ISBN | : 1489926119 |
S. Henin Versailles, France It was a pleasure for me to take part in the NATO Advanced Study Workshop for studies of 'Soil Colloids and their Associations in Soil Aggregates'. The meeting provided me with a welcome opportunity to renew acquaintances with respected colleagues in the various fields of Soil Science, to listen to their presentations, and be involved in discussions which were at the frontiers of the science which deals with the structures and the associations of the soil colloidal constituents. In my view the rapid advances in Soil Science, and the great benefits to agriculture from these, have their origins in the emerging understanding of the structures and the associations of the different soil colloids. It is clear that much research is still needed before the molecular details of the most important of the structures and of the interactions are fully understood. The associations between the soil colloids, and the manner in which they bind to or hold the other constituents of soils in aggregates is fundamental to soil fertility. and the Modem intensive agriculture leads to the degradation of soil structure subsequent loss through erosion of a resource that is vital for the production of food. This degradation is considered to result primarily from the biological oxidation of the indigenous soil organic matter, and from the failure to return to the soil sufficient organic residues to compensate for such losses.
Author | : Ekrem Ozlu |
Publisher | : |
Total Pages | : 0 |
Release | : 2023 |
Genre | : |
ISBN | : |
Soil aggregate formation is essential to establish a good soil structure which can provide better functionality and serve to ecosystem services. In this study, the dynamics of soil aggregate formation in various management and ecosystems were investigated. We think the formation of different aggregates sizes varies according to the response of SOC, soil mineralogy, and hydraulic properties to soil management where re-formation of aggregates might be faster for soils containing more C, clay minerals, and improved water characteristics. The first chapter of this work aims to improve the understanding of the mechanisms responsible for soil aggregation related to soil mineralogy and C stabilization in five long-term land-uses, mainly agriculture and woodland, and grassland. Overall, the physical stabilization of SOC and soil minerals had a strong relationship with an aggregate size distribution, where the range of dominant soil particles, silt content played a vital role in these mechanisms. The second part of this work focuses on the interactions between soil carbon, hydraulic properties, and soil aggregate and pore structures. In general, higher intensity of disturbance on soil structure negatively influenced soil hydraulic properties and soil carbon content but had higher labile carbon fractions, cold-water extractable carbon, and dissolved organic carbon. The last section of this work mainly evaluates soil aggregate re-formation dynamics after disturbance in short-and long-term scales. This study was conducted in an experimental study under the impacts of conventional tillage and no-tillage management. The immediate effects of growing season, tillage, and harvest resulted in a lower proportion of larger aggregates and smaller pores, whereas long-term effects mainly influenced aggregates smaller than 2 mm. The larger soil aggregates can recover on an annual basis but aggregates smaller than 2 mm do not. In conclusion, SOC has coupled interactions with soil physical properties and soil minerals, where these associations help soil aggregate formation and stabilization. Soil disturbance due to management and erosion effects negatively influenced soil aggregate formation where larger aggregates can re-form on an annual basis but aggregates smaller than long term effects mainly influence 2 mm in different ecosystems.
Author | : Jan Gliński |
Publisher | : Springer Science & Business Media |
Total Pages | : 1075 |
Release | : 2011-06-07 |
Genre | : Technology & Engineering |
ISBN | : 9048135842 |
This Encyclopedia of Agrophysics will provide up-to-date information on the physical properties and processes affecting the quality of the environment and plant production. It will be a "first-up" volume which will nicely complement the recently published Encyclopedia of Soil Science, (November 2007) which was published in the same series. In a single authoritative volume a collection of about 250 informative articles and ca 400 glossary terms covering all aspects of agrophysics will be presented. The authors will be renowned specialists in various aspects in agrophysics from a wide variety of countries. Agrophysics is important both for research and practical use not only in agriculture, but also in areas like environmental science, land reclamation, food processing etc. Agrophysics is a relatively new interdisciplinary field closely related to Agrochemistry, Agrobiology, Agroclimatology and Agroecology. Nowadays it has been fully accepted as an agricultural and environmental discipline. As such this Encyclopedia volume will be an indispensable working tool for scientists and practitioners from different disciplines, like agriculture, soil science, geosciences, environmental science, geography, and engineering.
Author | : Francois Buscot |
Publisher | : Springer Science & Business Media |
Total Pages | : 426 |
Release | : 2007-01-04 |
Genre | : Nature |
ISBN | : 3540266097 |
For this third volume of the series Soil Biology, internationally renowned scientists shed light on the significant roles of microbes in soil. Key topics covered include: bioerosion, humification, mineralization and soil aggregation; Interactions in the mycorrhizosphere; microbes and plant nutrient cycling; Microbes in soil surface or toxic metal polluted soils; Use of marker genes and isotopes in soil microbiology, and many more.
Author | : Nico van Breemen |
Publisher | : Springer Science & Business Media |
Total Pages | : 255 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9401726914 |
This book by soil scientists and ecologists reviews how and why plants influence soils. Topics include effects on mineral weathering, soil structure, and soil organic matter and nutrient dynamics, case studies of soil-plant interactions in specific biomes and of secondary chemicals influencing nutrient cycling, the rhizosphere, and potential evolutionary consequences of plant-induced soil changes. This is the first volume that specifically highlights the effects of plants on soils and their feedbacks to plants. By contrast, other texts on soil-plant relationships emphasize effects of soil fertility on plants, following the strongly agronomic character of most research in this area. The aspects discussed in this volume are crucial for understanding terrestrial ecosystems, biogeochemistry and soil genesis. The book is directed to terrestrial ecologists, foresters, soil scientists, environmental scientists and biogeochemists, and to students following specialist courses in these fields.
Author | : Robin F. Harris |
Publisher | : |
Total Pages | : 320 |
Release | : 1962 |
Genre | : Soil stabilization |
ISBN | : |
Author | : Daniel Hillel |
Publisher | : Elsevier |
Total Pages | : 511 |
Release | : 2003-12-17 |
Genre | : Technology & Engineering |
ISBN | : 008049577X |
An abridged, student-oriented edition of Hillel's earlier published Environmental Soil Physics, Introduction to Environmental Soil Physics is a more succinct elucidation of the physical principles and processes governing the behavior of soil and the vital role it plays in both natural and managed ecosystems. The textbook is self-contained and self-explanatory, with numerous illustrations and sample problems. Based on sound fundamental theory, the textbook leads to a practical consideration of soil as a living system in nature and illustrates the influences of human activity upon soil structure and function. Students, as well as other readers, will better understand the importance of soils and the pivotal possition they occupy with respect to careful and knowledgeable conservation. Written in an engaging and clear style, posing and resolving issues relevant to the terrestrial environment Explores the gamut of the interactions among the phases in the soil and the dynamic interconnection of the soil with the subterranean and atmospheric domains Reveals the salient ideas, approaches, and methods of environmental soil physics Includes numerous illustrative exercises, which are explicitly solved Designed to serve for classroom and laboratory instruction, for self-study, and for reference Oriented toward practical problems in ecology, field-scale hydrology, agronomy, and civil engineering Differs from earlier texts in its wider scope and holistic environmental conception
Author | : David J. Read |
Publisher | : Oxford University Press, USA |
Total Pages | : 456 |
Release | : 1992 |
Genre | : Science |
ISBN | : |
This work discussed what effect mycorrhizas have on plant and human ecosystems.