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Other links at Soil and Additives |
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The Schundler Company
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Collection of articles and resources about the horticultural uses of perlite and vermiculite.
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The World of Soil
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An introduction to soil components, acidity, fertility, and care, as well as an extensive collection of links to other soil resources.
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Gardening Information: Soil
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Collection of articles from Oregon State University on various aspects of soil: use of amendments and cover crops, temperature, acidity, moisture, and testing.
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