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Organic Matter Soil Amendments

Compare compost, aged manure, leaf mold, and other organic matter amendments. Benefits, application tips, and where to buy.

3 amendments

All types Biological Carbon amendment Mineral & micronutrient Mineral conditioner Nitrogen source Organic matter pH adjustment Phosphorus source
Coco Coir, organic soil amendment for home gardens

Coco Coir

Organic matter
Coconut husk fiber improving aeration and water retention as a peat alternative.
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 Compost, organic soil amendment for home gardens

Compost

Organic matter
Decomposed organic material that improves soil structure, water retention, and microbial life.
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 Worm Castings, organic soil amendment for home gardens

Worm Castings

Organic matter
Vermicompost rich in microbes, humus, and plant-available nutrients.
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Research links only. Verify products and application rates for your soil and plants.