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Subject listing for: Soil Structure and Environment |
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The results of a study which aimed to quantify the status of croppng soils and assess the sustainability of cropping practices used in southern New South Wales, were published in the proceedings of the 1998 Australian Agronomy Conference.
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El sitio web de la AACS contiene información sobre la historia de la asociación, sus publicaciones, actividades y otros.
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This Appropriate Technology Transfer for Rural Areas resource page contains web links on general soil biology, mycorrhizae, arthropods, soil bacteria, soil quality measures, earthworms, cover cropping, and other topics, as well as links to ATTRA publications on soil management.
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This site includes information on the principles and characteristics of sustainable soils as well as management steps to improve soil quality.
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This site is the homepage for the Canadian Soil Information System which is sponsored by Agriculture and Agri-Food Canada. It contains a glossary and links to publications, the National Soil DataBase, keys to landscape and soil taxonomy, and more.
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Los grupos de investigación son "Edafología y ordenación del territorio" y "Formación y degradación del suelo". Se ofrecen cursos on line y monografías acerca del suelos.
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This article describes a 1997 project that compared a number of soil biological and structural characteristics in conventional till, first year no-till, and 16th year no-till plots in Oregon (USA).
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An excellent introduction to the importance of soil biology in farming sustainability with a worldwide perspective, the home section of this FAO site has links to news, events, documents, case studies, and more.
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En esta página de la Universidad de Granada se hace una recopilación de fotografías de suelos con ejemplos de grupos de suelos, horizontes, estructura, propiedades diagnosticas y otros.
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This site lists frequently asked questions with links to the in depth answers.
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This booklet identifies ideal target soil structure and then helps the soil manager identify the structure within the field before providing guidance on how a better structure can be achieved and then maintained.
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This paper discuses a project that was carried out in eastern Washington and Northern Idaho (USA) that compared fields managed with no-till for 10 to 25 years to adjacent conventionally tilled fields.
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Las 'herramientas' provistas son técnicas y opciones de política o desarrollo institucional para aumentar los efectos positivos o mitigar los efectos negativos de la ganadería sobre la base de recursos naturales. Un Manual dirigido a un amplio espectro de personas claves en la tomà de decisiones, planificadores y agentes de extensión.
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This report assesses soil fertility components in a transition from a conventional farm to an organic farm. Research based at Colorado State University, Ft. Collins.
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Un manual práctico y breve del Centro de Investigación, Educación y Desarrollo (CIED) de Perú para apoyar a la promoción y extensión de técnicas agroecológicas como la labranza mínima, el uso de mulch, la rotación de cultivos, los policultivos, y los cultivos de cobertura. Incluye dibujos y actividades para los participantes.
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This valuable list of on-line references links directly to PDF files, maps, and databases including the full text of Soil Taxonomy, Keys to Taxonomy, searchable OSDs, soil classification database, Distribution Maps of Dominant Soil Orders, International Taxonomy Committees, a soil taxonomy forum, and 'The Guy Smith Interviews: Rationale for Concepts in Soil Taxonomy'.
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Pedosphere.com online magazine's resource page contains links to a glossary of soil science terms, interactive online books and reports, and soil classification and physics utilities. The Canadian System of Soil Classification (Agriculture Canada) and the Interactive Keys to Soil Taxonomy (USDA) are noteworthy.
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mantiene algunos mapas de Sistema de Información Geográfica que muetra datos con relación a los suelos (Argentina).
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This fact sheet outlines the necessity and the steps to be taken in order to lime Indiana's soils. It mentions the causes of acidity, how to measure it as well as the benefits of liming. A crop's needs regarding limestone as well as liming sources and application rates are outlined as well.
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This University of Florida extension materials main page connects to information on soil fertility, quality, testing, surveys, properties, field methods, nutrient management, plant nutrition, and related topics. Connects to Spanish publications.
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This Mississippi State University (USA) resource page on soils provides information on soil structure and chemistry, as well as links to frequently asked questions about soils, publications, and other information.
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Designed as an interactive resource for young students of soil science, this comprehensive NASA web site offers links to introductory-level information on a variety of soil science topics. The site also contains numerous resources for soil science educators.
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Soil structure and properties articles from a number of scientific journals can be accessed through this ASA-CSSA-SSSA collection. Abstracts are freely accessible; access to full text may require payment. Browsing and search functions for related agricultural topics can be found at http://soil.scijournals.org/collections/.
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This FAO soils bulletin is an detailed online book that describes and discusses concepts and strategies for sustainable dryland cropping systems, from soil chemical and biological factors to social and economic issues.
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This site describes and gives instructions for downloading Texture AutoLookup (TAL), a free software program that allows users to determine soil texture based on 13 classification systems from around the world.
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Available on-line this FAO Soils Bulletin contains ten chapters on the tropics, farming systems, tillage systems, soil surface management, rooting depth, and soil properties.
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The WWW virtual library page on soils and substrates from METLA, the Finnish Forest Research Institute, has a variety of links on basic soil structure, populations, and processes
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