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Subject listing for: Soil Organic Matter |
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Se evalua cuatro tratamientos de abonos orgánicos en varios dosis (bovino, caprino, gallinaza y composta) y un testigo con fertilizante inorgánico. Publicado en Terra, Revista de la Sociedad Mexicana de la Ciencia del Suelo, A.C. vol. 19 no. 4 2001 (formato PDF).
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Alaska Humus is the standard for use in humus tea brewing and as a stable, long lasting and fertile garden soil amendment.
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This is a 56 slide presentation about soil health by the Northeast Region SARE (Sustainable Agriculture Research & Education) Program.
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Se procedió a caracterizar la Materia Orgánica de diez muestras superficiales de perfiles representativos del Valle Medio del Río Yaracuy, Estado Yaracuy, Venezuela. Los suelos estudiados estaban agrupados dentro de cinco órdenes del Soil Taxonomy. Agronomía Tropical. 26(4)
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Ontario Corn Producers’ Association page that discusses amounts of corn residue that is returned to soils, the benefits of organic matter in soils, and how soil tillage increases the amount of organic matter decomposition.
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ACRES USA discusses different methods of weed control for organic farming. This method incorporates ideas of crop competition, soil fertility, crop rotation, variety selection, sanitation and deep shaded crops.
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This USDA Soil Quality - Agronomy Technical Note describes the effects of residue management and no-till on soil quality and the benefits of organic matter to soil quality.
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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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Faust Bio-Agricultural Services produces high quality organic natural fertilizers and soil amendments which provide long term benefits in farming, lawn, and gardening applications.
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Hendrikus Organics offer organic fertilizers, soils, soil amendments, compost teas and tea brewers that help create healthy soils.
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Humic substances articles from a number of scientific
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This article explains how organic matter in the soil is turned into plant nutrients and shows how many farm practices reduce organic matter. Includes practical tips on maintaining an adequate supply of organic matter in the soil
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This USDA Soil Quality - Agronomy Technical Note discusses potential improvements of soil quality and potential problems in conservation tillage.
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Colorado State University Extension Service describes how to manage soil compaction, recognize and identify symptoms of compaction, as well as how to alleviate and minimize soil compaction.
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Parte de una nueva sección de la revista Terralia dedicada a la Materia Orgánica en los suelos agrícolas. Edición No. 8.
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Colorado State University Extension provides information on how to use organic materials as nitrogen fertilizers, carbon to nitrogen ratios as well as other considerations when adding organic compounds to soils, such as the rate of decomposition and the addition of toxic materials.
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This University of Minnesota Extension Service page is part of a soil management series. It contains a brief explanation of why landowners may want to manage organic matter and then provides 5 links to more in depth information on soil organic matter.
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This outreach "Science You Can Use" article provides an overview of organic matter and specific nutrients as well as requirements for crops (PDF).
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Características físicas, químicas y biológicas de la materia orgánica (consiste de dos páginas, 18 y 19). Parte de una nueva sección de la revista Terralia dedicada a la Materia Orgánica en los suelos agrícolas. Edición No. 8.
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ACRES USA discusses the Albrecht Model of soil management. It explains model concepts as well as soil analysis and explanations.
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Outlines the micronutrients needed for field crops, how to detect deficiencies and then how to correct them. Also contains information on zinc, boron, copper, and molybdenum.
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This article, from the Soil Science Society of Turkey, presents the findings of a study quantifying the seasonal changes in microbial biomass and enzyme activity in grassland and cultivated soils.
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This is the website for the Soil Biology Research Group from the University of Western Australia. The site's primary objective is to answer common questions regarding soil biological processes, organic matter, soil organisms, and the soil management practices that affect these.
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This resource page posted by an associate professor at the Agricultural University of Wroclaw, Poland, defines soil humic substance terms, properties of humic and nonhumic substances, and various forms of soil organic matter.
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This publication from Alberta Agriculture, Food and Rural Development of Canada deals with the role of organic matter in soil productivity and the effects of various management practices on soil organic matter.
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This page describes several ways in which organic soil amendments may help reduce nematode injury to plants.
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Soil organic matter 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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Saskatchewan Interactive is a collaborative project in Canada which built a series of educational modules on topics from agriculture to tourism. Of particular interest within this module on soils, are the sections on living soils (soil biology), soil fertility, soil management (particularly soil organic matter), soil chemistry, and soil physics.
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Colorado State University Extension Service provides explanations on their different types of soil tests. Colorado State University routinely analyzes soil samples for pH, soluble salts, organic matter, nitrate nitrogen, phosphorus, potassium, zinc, iron, copper, manganese, lime and soil texture. Additional tests for gypsum and the sodium adsorption ratio (SAR) may be possible.
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Colorado State University Extension Site outlines the basics behind soil testing. It describes how to select a reliable test, develop fertilizer recommendations, how to account for laboratory differences as well as how to buy a proper soil test kit.
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New Mexico State University Extension provides information on how to interpret soil tests. It provides information on how to classify pH, salinity, exchangeable sodium, organic matter, texture, and various metals.
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This site, from the New South Wales Department of Primary Industries, provides links to information regarding organic matter, soil structure, soil compaction, and others.
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This article from UC SAREP reviews the non-nutrient benefits of green manures, i.e. their potential to improve soil organic matter levels, reduce soil compaction and soil erosion, and enhance crop yields.
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Published by Agriculture and Agri-Food Canada in 1995, this on-line book contains 10 chapters that explore soil health subjects such as soil organic matter, soil quality, erosion, and more.
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An online book that reports on the health and condition of Canada's soils, and what measures have been taken to reverse soil degradation and to build the soils back up. Focuses on farming systems as the main vehicle for halting soil degradation, and maintaining or improving soil health.
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Posted by the Department of Horticulture at Cornell University, this resource page contains information on some familiar organic materials available to home gardeners, their effect on soil, plants, and soil life, and how they are commonly used.
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