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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 $64.00 - Original price $64.00
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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 $64.00 - Original price $64.00
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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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  • Original price $38.75 - Original price $38.75
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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 $38.75 - Original price $38.75
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  • Original price $54.00 - Original price $54.00
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    Fish Bone Meal 40% Protein (4-14-0) - 50 lb Bag

    A marine-based alternative to traditional steamed bone meal and a great source of organic phosphorus and calcium (12%-17%). Derived from fresh cutt...

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    Original price $54.00 - Original price $54.00
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  • Original price $48.00 - Original price $48.00
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    Humic DG - 40 lb Bag

    The Andersons brand, this easy flow micro-pelletized Humic acid is derived from a high quality 70% leonardite, containing 35% fulvic and 35% humic ...

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    Original price $48.00 - Original price $48.00
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  • Original price $35.00 - Original price $35.00
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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 $35.00 - Original price $35.00
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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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    Original price $75.00 - Original price $75.00
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  • Original price $26.00 - Original price $26.00
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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 $26.00 - Original price $26.00
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    Original price $38.00 - Original price $38.00
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    Neem Seed Meal (4-3-1.6) - 44 lb Bag

    Made from neem cakes that were pressed for neem oil extraction. Has dual activity as a fertilizer and a pest repellent.  Mixes well with other fert...

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    Original price $38.00 - Original price $38.00
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  • Original price $10.00 - Original price $10.00
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    Manganese Sulfate Powder 31.5% - 1 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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    Original price $10.00 - Original price $10.00
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  • Original price $32.00 - Original price $32.00
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    Kmag or SulPoMag Granular (0-0-22+21S+11Mg) - 50 lb Bag

    Intrepid Trio brand is 100% natural Langbeinite, a unique mineral with three essential nutrients in every granule. Trio provides a long-lasting, re...

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    Original price $32.00 - Original price $32.00
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  • Original price $11.25 - Original price $11.25
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    Azomite Granular - 10 lb Bag

    This naturally mined, volcanic mineral has over 66 minerals and trace elements that are important for plant nutrition and growth. It improves deple...

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    Original price $11.25 - Original price $11.25
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  • Original price $15.25 - Original price $15.25
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    Gypsum Ida-Gro Pelletized - 50 lb Bag

    Calcium sulfate improves the structure of heavy clay soils. An excellent source of calcium containing 32% calcium oxide. No effect on soil pH. Cont...

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    Original price $15.25 - Original price $15.25
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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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    Original price $17.00 - Original price $17.00
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  • Original price $19.50 - Original price $19.50
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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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    Original price $19.50 - Original price $19.50
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  • Original price $160.00 - Original price $160.00
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    Humic Acid 60% Soluble - 50 lb Bag

    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 $160.00 - Original price $160.00
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  • Original price $39.00 - Original price $39.00
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    Actosol Organic Biostimulant - 2.5 Gallon

    An organic biostimulant activator which improves stress tolerance and water retention, enhances chelating of plant nutrients and stimulates root ma...

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    Original price $39.00 - Original price $39.00
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  • Original price $25.00 - Original price $25.00
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    Biomin® Liquid Iron 5% - Gallon

    If you have Iron deficiencies in plants you can correct or prevent those problems by using JH Biotech's Biomin Iron Biomin® Iron 5% Amino Acid Chel...

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    Original price $25.00 - Original price $25.00
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  • Original price $20.75 - Original price $20.75
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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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    Original price $20.75 - Original price $20.75
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    Biomin® Liquid Calcium 5% - 1 Gallon

    Amino Acid Chelated Minerals contains 5% complexed chelated calcium derived from calcium amino acid complex. Biomin is designed for soil and foliar...

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    Original price $53.00 - Original price $53.00
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    Biogreaux Blackstrap Molasses(1-0-5) 5 Gallon

    Biogreaux Blackstrap Molasses is an all-natural organic fertilizer and potassium booster made from the byproduct of Louisiana sugarcane processing....

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    Original price $53.00 - Original price $53.00
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  • Original price $12.50 - Original price $12.50
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    Aragonite Raw (0-0-0-Ca 38%) - 50 lb Bag

    Aragonite Raw (0-0-0-97 Ca) - A sea calcium that is high in calcium and low in magnesium. 97% calcium carbonate and calcium silicate combined; 33%m...

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    Original price $12.50 - Original price $12.50
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  • Original price $65.00 - Original price $65.00
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    SEA-CROP® Ocean Mineral Concentrate - 2.5 Gallon

    Mineralize your crops with an inexpensive concentrated seawater! SEA-CROP® is composed of organic matter and minerals in ionic liquid form derived ...

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    Original price $65.00 - Original price $65.00
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  • Original price $196.00 - Original price $196.00
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    BioSafe TerraGrow - 10 lbs

    A powdered blend of scientifically selected beneficial bacterial and fungal spores to improve soil characteristics and plant stress tolerance. Terr...

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    Original price $196.00 - Original price $196.00
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    Current price $196.00