Informational sheet.
Series of projects, articles, and tips on fertilizing, composting, and nutrient management.
Collection of articles from Oregon State University on various aspects of soil: use of amendments and cover crops, temperature, acidity, moisture, and testing.
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.
Science /
Agriculture /
Soils
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