Collection: Soil Biology & Microbial Activity Inputs
Compare products by nutrient analysis, formulation, application method and label directions.
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Tree & Shrub Food Bag 7-2-2 (4 lb bag)
Regular price $11.99Sale $11.99Unit price per -
Espoma Organic Azalea-Tone (4 lb)
Regular price $12.99Sale $12.99Unit price per -
DTE Starter Mix 3-3-3
Regular price $44.79Sale $44.79Unit price per -
Espoma Organic Bio-tone Starter Plus
Regular price $47.99Sale $47.99Unit price per -
Espoma Organic Holly-Tone (4 lb)
Regular price $12.99Sale $12.99Unit price per -
Phos Fish 1-7-0 (5 Gallon)
Regular price $160.99Sale $160.99Unit price per -
Fish Meal (5 lb bag)
Regular price $13.49Sale $13.49Unit price per -
Espoma Organic Citrus-Tone Citrus & Avocado (4 lb)
Regular price $12.99Sale $12.99Unit price per -
Espoma Organic Tomato-Tone 3-4-6 (8 lb)
Regular price $24.99Sale $24.99Unit price per -
Nutri-Rich 4-3-2 Pellets (2000 lb tote)
Regular price $450.00Sale $450.00Unit price per -
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Liquid Humate 12%
Regular price $24.99Sale $24.99Unit price per -
Pre-Plant Plus 7-5-7 (5 lb bag)
Regular price $13.49Sale $13.49Unit price per -
Green Sand (5 lb bag)
Regular price $17.99Sale $17.99Unit price per -
Super Green Chicken Manure (2000 lb tote)
Regular price $435.00Sale $435.00Unit price per -
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Organic Live Earth Humates Granular 50lbs
Regular price $25.99Sale $25.99Unit price per -
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McKenzie Rock Flour - Glacial Rock Dust 6lbs
Regular price $5.99Sale $5.99Unit price per$0.00Regular price -
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Espoma Organic Horticultural Charcoal 4qt
Regular price $19.99Sale $19.99Unit price per -
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True Organic - Azalea, Camellia, & Rhododendron Food 12lbs
Regular price $26.99Sale $26.99Unit price per -
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True Organic - Liquid Bloom Boost 16oz
Regular price $8.99Sale $8.99Unit price per -
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True Organic - Liquid Preplant Starter 16oz
Regular price $8.99Sale $8.99Unit price per -
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True Organic - Herb & Leafy Greens Food 4lbs
Regular price $13.99Sale $13.99Unit price per -
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True Organic - Chicken Manure 3-3-2 15lbs
Regular price $15.99Sale $15.99Unit price per -
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Espoma Organic Evergreen-tone 4-3-4 8lbs
Regular price $16.99Sale $16.99Unit price per -
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Neptune's Harvest - Liquid Crab & Lobster Shell 2-0-2 18oz
Regular price $26.99Sale $26.99Unit price per -
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Coast of Maine Organic Lobster Meal 4lbs
Regular price $24.99Sale $24.99Unit price per -
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Veggie Mix 8-5-0.5 (5 lb bag)
Regular price $13.49Sale $13.49Unit price per -
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True Organic - Annuals & Perennials Food 4lbs
Regular price $12.99Sale $12.99Unit price per -
Sold outPeaceful Valley Organic Compost (1 Cu Ft)
Regular price $6.99Sale $6.99Unit price per -
Sold outPeaceful Valley Organic PrimeStart Booster Blend 2.3-5.0-2.6 (3 lb Bag)
Regular price $8.99Sale $8.99Unit price per
Collection: Fertilizers That Boost Microbial Activity
Inputs for Soil Biology and Microbial Activity
Shop compost-based materials, microbial inoculants, humic products and fertilizers commonly used in soil-building programs. These products have different functions and should not be treated as interchangeable.
How to Choose
Identify whether you need an inoculant, an organic-matter source or plant nutrients. Review organism claims, storage requirements, analysis and label directions for the specific product.
Compare soil-life products, organic-matter amendments and humic products.