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Soil Amendments

Mixed and single-source macro and micro-nutrients.

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  • Original price $45.75 - Original price $45.75
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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%. ...

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    Original price $45.75 - Original price $45.75
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  • Original price $34.95 - Original price $34.95
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    Cottonseed Meal (6-2-2) - 50 lb Bag

    Use for acid-loving plants like blueberries and azaleas because of its low pH. This Cottonseed Meal is NOT NOP Compliant. This is feed grade. For t...

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    Original price $34.95 - Original price $34.95
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  • Original price $21.95 - Original price $21.95
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    Brown's Fish Fertilizer (2-3-1) - 1 Gallon

    Produced in Western North Carolina, this product is made from fresh water fish. Brown's Fish Fertilizer is a fish hydrolysate produced by a cold en...

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    Original price $21.95 - Original price $21.95
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  • Original price $12.50 - Original price $12.50
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    Zinc Sulfate Powder, Ag & Livestock, 1 lb Bag

    Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...

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    Original price $12.50 - Original price $12.50
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  • Original price $26.40 - Original price $26.40
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    Symphony Organic Fertilizer w/9% Ca (5-4-3) - 50 lb Bag

    Almost identical to Harmony but it comes from the USDA organic egg laying operation at the same NY farm that produces Harmony. Symphony 5-4-3 ferti...

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    Original price $101.50 - Original price $101.50
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    Solubor 20.5% Boron (Sodium Borate) - 50 lb Bag

    Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lowe...

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    Original price $101.50 - Original price $101.50
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  • Original price $12.50 - Original price $12.50
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    Manganese Sulfate Powder 31.5% - 1 lb Bag

    Manganese Sulfate with 31.5% manganese and 18% sulfur is used for soils deficient in manganese (Mn). Manganese Sulfate Powder is soluble and can be...

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    Original price $200.50 - Original price $200.50
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    Grower’s Secret Nitrogen (16-0-0)- 50 lbs

    Provides a rich source of nitrogen for nitrogen-loving plants. Use to help plants grow quickly, and to improve plant quality and appearance. Grower...

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  • Original price $42.75 - Original price $42.75
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    Endomycorrhizal Inoculant (BEI) Micronized Powder - 1.5 lb

    From BioOrganics this product contains a blend of nine species of Endomycorrhizal spores: Glomus aggregatum, G. etunicatum, G. intraradices, G. mos...

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    Original price $33.50 - Original price $33.50
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    Greensand (0-0-1.4) - 50 lb Bag

    Read about alternatives to greensand in our blog.Greensand contains minerals and trace elements that improves the chemical, physical and biological...

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    Original price $33.50 - Original price $33.50
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  • Original price $17.95 - Original price $17.95
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    Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz

    Concentrated Ascophyllum nodosum (brown seaweed) plus potassium hydroxide from the Norwegian coastline. This highly soluble seaweed provides trace ...

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  • Original price $29.50 - Original price $29.50
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    Sea-90 Foliar Mineralizer - 50 lb Bag

    Sea-90 Foliar Mineralizer now includes 0.1% K2O, 1% Ca, and 0.5% Mg. Sea-90 is made from natural salt crystals produced by solar dehydrating sea wa...

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    Original price $29.50 - Original price $29.50
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  • Original price $320.00 - Original price $320.00
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    Ferti Nitro Plus Soluble Soy (13.62-0-0) - 50 lb Bag

    From Ferti-Organic - A water-soluble powder produced enzymatically, without animal by-products. A nontoxic, non-polluting and vegan plant nutrient....

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    Original price $320.00 - Original price $320.00
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  • Original price $30.90 - Original price $30.90
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    Ferti-Organic Soluble Humic Acid - 5 lb Bag

    From Ferti-Organic, an organic, dark black humate derived from leonardite, with a 60% minimum humate content. Helps break compacted soils, allowing...

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  • Original price $41.00 - Original price $41.00
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    Neptune's Harvest Liquid Fish Fertilizer (2-4-1) - 1 Gallon

    <This hydrolyzed fish fertilizer comes from the nutrient rich North Atlantic. It is made from fresh fish remains by a unique cold process that p...

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    Original price $41.00 - Original price $41.00
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  • Original price $23.40 - Original price $23.40
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    Calcium Nitrate 15.5-0-0, 19% Ca - 50 lbs

    Calcium Nitrate is one of the most commonly used sources of nitrogen in agriculture today. Popular among bio-nutrient farmers. No sodium or chlorid...

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    Original price $23.40 - Original price $23.40
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  • Original price $20.25 - Original price $20.25
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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 earthworm castings. It provides soil fertilit...

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  • Original price $50.95 - Original price $50.95
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    K*ASH - Sunflower Hull Ash (0-4-34) - 50 lb Bag

    K*Ash enriches the soil, tempers acidity, and improves soil structure and microbial flora while providing potassium and other essential nutrients. ...

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  • Original price $24.75 - Original price $24.75
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    Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb Bag

    Wollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled...

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  • Original price $10.85 - Original price $10.85
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    Dolomitic Lime Pro-Select Prill - 50 lb Bag

    Dolomitic Lime Pelletized (50 lb) is a pelletized limestone high in Calcium (Ca) and Magnesium (Mg). Best to use when soil tests show a need for ma...

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    Original price $10.85 - Original price $10.85
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  • Original price $258.95 - Original price $258.95
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    Ferti Fulvic Plus (90% Fulvic Acid) - 50 lb Bag

    Ferti Fulvic Plus is derived from peat and other plants with a minimum 90% content of organic fulvic acid. It's highly soluble. It chelates mineral...

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    Original price $258.95 - Original price $258.95
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  • Original price $78.00 - Original price $78.00
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    Fish Meal (No Preservative) 60% Protein (9-4.5-0) - 50 lb Bag

    Fish Meal is a slow release source of organic nitrogen and phosphorus. Fish Meal 60% Protein is from catfish with no preservatives and is high in c...

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    Original price $78.00 - Original price $78.00
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  • Original price $25.80 - Original price $25.80
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    Biomin® Liquid Copper (1-0-0-4%CU)- Gallon

    Biomin Liquid Copper is an amino acid chelated copper for preventing and correcting copper deficiences. It is completely bioavailable and can be ap...

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    Original price $25.80 - Original price $25.80
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    Biomin® Liquid Calcium 5% - 1 Gallon

    Biomin Liquid Calcium is an amino acid chelated fertilizer containing 5% calcium derived from calcium carbonate (limestone). It is completely bioav...

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  • Original price $25.50 - Original price $25.50
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    Mikrobs Microbial Superpack - 8 oz Bag

    Mikrobs is an organic microbial soil amendment/bioinoculant for plant and root growth stimulation that also encourages preventative resistance agai...

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  • Original price $128.95 - Original price $128.95
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    BioLink® All Purpose Liquid (3-3-3) Plus Micros - 2.5 Gallon

    BioLink All Purpose Liquid (3-3-3) Plus Micros is a liquid fertilizer that provides nitrogen, phosphorus, and potassium, plus micronutrients. It im...

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    Original price $128.95 - Original price $128.95
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  • Original price $36.00 - Original price $36.00
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    Boron 10% Granular - 50 lb Bag

    Boron 10 % Cameron Chemicals Brand is pelletized and is derived from ulexite (sodium calcium borate). Use it as part of a fertility plan, broadcast...

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    Original price $36.00 - Original price $36.00
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  • Original price $42.70 - Original price $42.70
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    Aqua Power Liquid Fish Fertilizer (5-1-1) - 2.5 Gallon

    Aqua Power™ is a liquid fish concentrate filtered through an 80 mesh screen. The nitrogen in Aqua Power™ is water soluble and available to plants i...

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    Original price $42.70 - Original price $42.70
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  • Original price $102.00 - Original price $102.00
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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 applied by br...

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    Original price $102.00 - Original price $102.00
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  • Original price $10.85 - Original price $10.85
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    Hi-Cal Lime Pro Pelletized Pro Select Prills - 50 lb Bag

    Hi-Cal Lime Pelletized (87% Calcium Carbonate) is high in calcium and low in magnesium. Elemental calcium is 34.83% min. Calcium carbonate equivale...

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    Original price $10.85 - Original price $10.85
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  • Original price $76.25 - Original price $76.25
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    SEA-CROP® Ocean Mineral Concentrate - 2.5 Gallon

    SEA-CROP® is a concentrate that contains all of the minerals of seawater in concentrated form with the sodium chloride 95% reduced and contains 3% ...

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    Original price $76.25 - Original price $76.25
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  • Original price $26.80 - Original price $26.80
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    Biomin® Booster 126 Amino Acid Chelated Minerals - Gallon

    A liquid fertilizer of magnesium and micronutrients: boron, copper, iron, manganese, and zinc, chelated with amino acids, including glycine. The ch...

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  • Original price $25.80 - Original price $25.80
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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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    Biomin® Liquid Iron 5% - Gallon

    Biomin® Iron 5% is an amino acid complexed iron liquid fertilizer for soil and foliar application. Use it to correct and prevent iron deficiencies....

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  • Original price $143.00 - Original price $143.00
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    Neptune's Harvest Liquid Fish Fertilizer (2-4-1) - 5 Gallons

    This hydrolyzed fish fertilizer comes from the nutrient rich North Atlantic. It is made from fresh fish remains by a unique cold process that prote...

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    Original price $143.00 - Original price $143.00
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  • Original price $15.85 - Original price $15.85
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    Aragonite Raw (0-0-0-Ca 38%) - 50 lb Bag

    Aragonite Raw (0-0-0-38 Ca) - A feed-grade calcium carbonate from a marine source that is high in calcium, low in magnesium, and contains trace mic...

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    Original price $15.85 - Original price $15.85
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