soil and additives
Home, Gardening, Soil and Additives
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Editor's Picks:
 - Covers a wide range of garden soil topics, including soil types, pH, nutrients, testing, composting and fertilizers.
- Origon horticulturalist offers information on soil components, pH, testing methods, and nutrients, and means of improving it by using amendments and improving drainage and aeration.
- Article covering soil testing, cover crops, composting, mulching, and raised beds.
- Includes articles on making potting mixes, proper watering techniques, nutrient needs, and mulching.
- Collection of articles and resources about the horticultural uses of perlite and vermiculite.
- One-page site giving suggestions on where to purchase vermiculite in the United States, along with some uses and properties of vermiculite.
- Ohio State University fact sheet covers soil basics: types, texture and structure, drainage and moisture, nutrients, pH, and cover crops.
- Guide to creating and maintaining good quality soil, emphasizing organic materials and composting, from the Center for Agroecology and Sustainable Food Systems.
- An introduction to soil components, acidity, fertility, and care, as well as an extensive collection of links to other soil resources.
- Collection of articles from Oregon State University on various aspects of soil: use of amendments and cover crops, temperature, acidity, moisture, and testing.
- 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.
- Explains how iron deficiency affects trees and plants, and how to correct it. Ohio State University fact sheet.
- 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.
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