Soil and Additives
- 1
- Improve Your Garden Soil
- Covers a wide range of garden soil topics, including soil types, pH, nutrients, testing, composting and fertilizers.
- 2
- 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.
- 3
- The Schundler Company
- Collection of articles and resources about the horticultural uses of perlite and vermiculite.
- 4
- The World of Soil
- An introduction to soil components, acidity, fertility, and care, as well as a collection of links to other soil resources.
- 5
- Vermiculite.com
- One-page site giving suggestions on where to purchase vermiculite in the United States, along with some uses and properties of vermiculite.
- 7
- Compost Junkie
- A tribe of compost enthusiasts, advice, and information, including a directory of compost suppliers in North America.
- 8
- Composting Council of Canada
- An organization with a charter to advocate and advance composting and compost usage.
- 9
- Cornell Composting
- Case studies, manuals, and informational links to composting waste on a household or municipal scale.
- 10
- How Composting Works
- Illustrated tutorial shows what happens when solid waste is composted, and how you can make your own compost.
- 11
- Master Composter
- Build a backyard compost pile, build or buy bins, worm composting, trench composting, and soil incorporation.
- 12
- Mushroom Compost
- Information relating to mushroom compost published by the Pennsylvania Department of Agriculture and the American Mushroom Institute.
- 13
- QR Composting Solutions
- Providing information on Quick Return (QR) composting including literature, products, equipment and workshops.
- 14
- The Compost Bin
- Series of short articles and news about composting, including the basics of piles and tumblers, worm composting, mushroom compost and compost tea.
- 16
- Extremely Green Gardening Company
- Online source for organic gardening products including fertilizers, biological pest control, soil test kits.
- 17
- Washington State Department of Agriculture
- Information on products and their content of heavy metals, along with fertilizer laws and label requirements.
- 18
- Much Ado About Leaves
- Suggestions for using shredded leaves for composting or as a winter mulch to protect tender plants in the garden.
- 19
- Sweet Peet
- Manufacturer of an organic mulch. Site gives usage information and a list of dealers who carry it.
- 20
- Ecosan
- Manufacturer and distributor of a waterless dry sanitation system. Product information and specifications, FAQs.
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