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Your #1 Source for Organic & Biological Farm Supplies
Your #1 Source for Organic & Biological Farm Supplies

Soil Amendments

Mixed and single-source macro and micro-nutrients.
  • Original price $101.00 - Original price $101.00
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    BioLink® All Purpose Liquid (3-3-3) Plus Micros - 2.5 Gallon

    A Westbridge ORGANIC BIOLINK® product that improves root and seedling vigor as well as flowering and fruit set. Can help with stressed plants. DERI...

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    Original price $101.00 - Original price $101.00
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    Cottonseed Meal (6-2-1) - 50 lb Bag

    Use for acid-loving plants like blueberries and azaleas because of its low pH. Note for an organic acid loving fertilizer: We also recommend using ...

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  • Original price $41.50 - Original price $41.50
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    Endomycorrhizal Inoculant (BEI) Micronized Powder - 1.5 lb

    From BioOrganics this product contains a blend of eight top types of Endospores - Glomus aggregatum, G. clarum, G. deserticola, G. intraradices, G....

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  • Original price $42.00 - Original price $42.00
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    K*ASH - Sunflower Hull Ash (0-4-34)+micros - 50 lb Bag

    Enriches the soil and tempers acidity. Improves soil structure and microbial flora. Its high pH (~10) is beneficial for flowers and perennials when...

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    Original price $42.00 - Original price $42.00
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    Corn Gluten Meal Granular (9-0-0) - 50 lb Bag

    The nitrogen in Corn Gluten Meal has a very high mineralization rate, typically over 80%.  Apply mid-season as a side/top dress for long-season, he...

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    Original price $40.00 - Original price $40.00
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  • Original price $29.50 - Original price $29.50
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    Humic Acid 60% Soluble - 5 lb

    From Ferti-Organic, an organic, dark black humate derived from vegetable origin, with a 70% minimum humate content. Helps break compacted soils, a...

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  • Original price $37.00 - Original price $37.00
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    Neptune's Harvest Liquid Fish Fertilizer (2-4-1) - 1 Gallon

    This hydrolyzed fish emulsion comes from the nutrient rich North Atlantic Ocean. Made from fresh fish remains. It is made by a unique cold process ...

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    Original price $37.00 - Original price $37.00
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  • Original price $19.00 - Original price $19.00
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    Blood Meal (12-0-0) - 10 lb Bag

    Blood Meal (12-0-0) - A natural source of nitrogen, blood meal is ideal for promoting lush and green vegetative growth. The high nitrogen is rapidl...

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    Manganese Sulfate Powder 32% (For Feed or Fertilizer) - 55 lb Bag

    Manganese Sulfate with 18% sulfur., For soils deficient in Manganese (Mn), apply this fast-acting source of 32% Mn to the soil. Can be broadcast, s...

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    Biomin® Booster 126 Amino Acid Chelated Minerals - Gallon

    A mixture of the amino acid encapsulated micronutrients magnesium, boron, copper, iron, manganese, and zinc. Created using an encapsulation of thes...

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    Dolomitic Lime Pro-Select Prill - 50 lb Bag

    Dolomitic Lime Pelletized (50 lb) - This OMRI listed pelletized limestone is high in Calcium (Ca) and Magnesium (Mg). Superior to calcitic lime whe...

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  • Original price $21.75 - Original price $21.75
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    Biomin® Liquid Boron (1-0-0+3%B) - Gallon

    Biomin® Boron is derived from Sodium Tetraborate and hydrolyzed vegetable protein. It can be used for soil and/or foliar application. It is complet...

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    Sea-90 Foliar Mineral and Trace Elements 50 lb bag

    SEA-90 minerals and trace elements can be used alone and/or mixed with most water soluble fertilizers. It can be added to any foliar spraying progr...

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    Boron 10% Granular - 50 lb Bag

    Boron 10 % Cameron Chemicals Brand - Pelletized and derived from Sodium Calcium Borate, Non-Acid forming, Product of Chile. Side dress plants or b...

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    VermaPlex Liquid Concentrate - 1 Gallon

    A concentrated all natural microbial soil amendment as well as a plant probiotic liquid. Derived from Black Castings, and then inoculated with Endo...

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    Fish Meal (No Preservative) 60% Protein (9-4-0) - 50 lb Bag

    We carry two types of Fish Meal, both are NOP compliant, the Par4 Fish Meal is CDFA and OMRI Listed.  Depending on our current stock you may receiv...

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    Original price $66.00 - Original price $66.00
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    BioLink® All Purpose Liquid (0-5-5) - 2.5 Gallon

    BioLink® All Purpose Liquid (0-5-5) - An all-purpose fertilizer for correction of phosphorus and potassium deficiencies. Can be applied to all crop...

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    Original price $76.00 - Original price $76.00
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    Nature Safe All Season Fertilizer (10-2-8) 50 lb Bag

    This coarse general use fertilizer is derived from feather meal, meat and bone meal, blood meal and sulfate of potash. Contains 9% slow release N f...

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    Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb Bag

    Wollastonite is a natural calcium silicate mineral and is unique among soil amendments as a source of silicon and carbon-neutral calcium. VANSIL wo...

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    Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz

    Seaweed is high in minerals that increase health and vigor of plants. Maxicrop is used as a supplement to your fertilizer program. It will benefit ...

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  • Original price $237.00 - Original price $237.00
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    Ferti Fulvic Plus (90% Fulvic Acid) - 50 lb Bag

    Derived from plants with a 90% (min.) content of organic fulvic acid. Its chelating effect, physiological and biological activity give the plant m...

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    Original price $237.00 - Original price $237.00
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  • Original price $25.00 - Original price $25.00
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    Biomin® Liquid Copper (1-0-0-4%CU)- Gallon

    Biomin Copper Amino Acid Chelated Minerals contains chelated copper for soil and/or foliar application. It is completely bio-available and non-phyt...

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    Original price $25.00 - Original price $25.00
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    BioChar Source by CharGrow® - 40 Quart Bag

    BioChar Source™ is a synergistic charcoal blend that is specially designed to build the fertility of your soil. It is an ancient technology that we...

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    Original price $51.00 - Original price $51.00
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  • Original price $10.65 - Original price $10.65
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    Hi-Cal Lime Pro Pelletized Pro Select Prills - 50 lb Bag

    Hi-Cal Lime Pelletized 50 lb (calcium carbonate) - This OMRI Listed Pelletized(SGN 250 prill) limestone is high in calcium and low in magnesium con...

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    Original price $10.65 - Original price $10.65
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Shipping Notice

Looks like your order might be big enough to ship on a pallet!

We have great pallet rates with our partner carriers and, if you're east of the Mississippi, you likely qualify for flat rates up to 2400 lbs. We can ship any size order but for orders of 5000 lbs and up (or if the website is only quoting UPS rates) you'll want to call us 800-540-9181 for the best shipping rate. Thank you!