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A hydric soil is a soil that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part.This definition (Federal Register, July 13, 1994) replaced the older 1991 version and accomplished two things. First, a soil that is artificially drained or protected (ditches, levees, etc.) is a hydric soil if the soil in its undisturbed state meets the definition of a hydric soil. Estimated soil properties for manipulated soils are based on best professional estimates of the properties thought to exist before manipulation. Second, the link between the definition and criteria was removed.
Overview
Most soils are aerobic. This is important because plant roots respire (that is, they consume oxygen and carbohydrates while releasing carbon dioxide) and there must be sufficient air -- especially oxygen -- in the soil to support most forms of soil life. Air normally moves through interconnected pores by forces such as changes in atmospheric pressure, the flushing action of rainwater, and by simple diffusion.
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Soils :: Agriculture
Fertilizers and Soil Additives :: Home and Garden
Water absorbing polymer gels are non-toxic moisture retaining soil additives, offering houseplant fanciers and... http://bit.ly/u49jN
CSSprinklers (C&S Sprinklers) Tue, 17 Nov 2009 15:07:29 -0000
Water absorbing polymer gels are non-toxic moisture retaining soil additives, offering houseplant fanciers and... http://bit.ly/u49jN
Improve Your Garden Soil - Covers a wide range of garden soil topics, including soil types, pH, nutrients, testing, composting and fertilizers.
Meta Description: [ Put this information to work in your own gardening efforts, you too will see and feel the magic in your garden soil. ]
Fertilizers - Includes articles on making potting mixes, proper watering techniques, nutrient needs, and mulching.
Meta Description: [ Create the perfect balance of soil, air, nutrients, and water. ]
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A Summary Guide For The Microbiological Analysis of Soil and Compost - Informational sheet.
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Building Fertile Soil - Guide to creating and maintaining good quality soil, emphasizing organic materials and composting, from the Center for Agroecology and Sustainable Food Systems.
Do It Yourself.com: Fertilizer, Compost, and Soil - Series of projects, articles, and tips on fertilizing, composting, and nutrient management.
Meta Description: [ The Fertilizer, Compost and Mulch section of DoItYourself.com tells you how to properly care for your plants and garden. Learn how to build your own compost bin, apply fertilizer effectivly, and stylish mulching techniques that will help your garden grow and flourish all summer long. ]
Gardening Information: Soil - Collection of articles from Oregon State University on various aspects of soil: use of amendments and cover crops, temperature, acidity, moisture, and testing.
Meta Description: [ News about OSU Extension Service and OSU Agricultural Experiment Station ]
Improving Soil - Oregon horticulturalist offers information on soil components, pH, testing methods, and nutrients, and means of improving it by using amendments and improving drainage and aeration.
Meta Description: [ Advice on improving soil, watering and fertilizing. ]
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Improving Soils For Vegetable Gardening - Ohio State University fact sheet covers soil basics: types, texture and structure, drainage and moisture, nutrients, pH, and cover crops.
Meta Description: [ Vegetable plants grow best in a fertile, well-drained soil of loamy texture. Sandy loam soils, well-supplied with organic matter, are easily ]
Iron Chlorosis - Explains how iron deficiency affects trees and plants, and how to correct it. Ohio State University fact sheet.
Meta Description: [ Mildly affected plants become unsightly and grow poorly. Iron chlorosis occurs most often in pin oak, white oak, white pine, magnolia, holly, sweet ]
Lead Contamination In The Garden - Covers causes and effects of elevated lead levels, recommends both health and soil screening procedures, and provides guidelines for gardening in areas with lead contamination.
Meta Description: [ In 1985 the Center for Disease Control (CDC) defined childhood lead poisoning as occurring at blood lead levels of greater than 25 ug/dL. Children w ]
Soil Testing is an Excellent Investment for Garden Plants and Commercial Crops, HYG-1132-99 - Ohio State University fact sheet covers the benefits of testing garden soil and provides recommendations for testing frequency, collecting a sample, and submitting to a testing lab.
Meta Description: [ The standard soil test provides the status of phosphorous (P) , potassium (K) , calcium (Ca) , magnesium (Mg) , pH, cation exchange capacity, lime req ]
The Schundler Company - Collection of articles and resources about the horticultural uses of perlite and vermiculite.
Meta Description: [ Over 65 pages about the horticultural uses of perlite and vermiculite with hyperlinks to Perlite Plant Guides and additional articles about gardening and landscaping with perlite and vermiculite. ]
The World of Soil - An introduction to soil components, acidity, fertility, and care, as well as an extensive collection of links to other soil resources.
Meta Description: [ The an overview of links and information to help you to understanding about your soil ]
Vermiculite.com - One-page site giving suggestions on where to purchase vermiculite in the United States, along with some uses and properties of vermiculite.
Meta Description: [ A guide on how and wehre to purchase vermiculite in the United States and other parts of the world with links, basic information, and suggestions. ]
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