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Soil Amendments

Mixed and single-source macro and micro-nutrients.

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  • Sold out
    Original price $27.00 - Original price $27.00
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    Greensand by Agrolift (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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    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 $29.19 - Original price $29.19
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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 crystals produced by solar dehydrating H2O from se...

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    Original price $29.19 - Original price $29.19
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  • Original price $310.00 - Original price $310.00
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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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    Humic Acid 60% Soluble - 5 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 $37.00 - Original price $37.00
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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 Ocean. Made from fresh fish remains. It is made by a unique cold proces...

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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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    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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    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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    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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  • Original price $10.65 - Original price $10.65
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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 $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 $76.00 - Original price $76.00
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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 $76.00 - Original price $76.00
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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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    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 $22.90 - Original price $22.90
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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 $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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  • Original price $35.00 - Original price $35.00
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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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  • Original price $42.00 - Original price $42.00
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    Aqua Power Liquid Fish Fertilizer (5-1-1) - 2.5 Gallon

    This liquid fish concentrate is filtered down to an 80 mesh screen. The nitrogen in Aqua Power™ is water soluble and available to plants immediatel...

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  • Original price $99.00 - Original price $99.00
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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 $99.00 - Original price $99.00
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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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  • Original price $74.00 - Original price $74.00
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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 $74.00 - Original price $74.00
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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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  • 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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    Original price $21.75 - Original price $21.75
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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 $134.00 - Original price $134.00
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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 Ocean. Made from fresh fish remains. It is made by a unique cold proces...

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    Original price $134.00 - Original price $134.00
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  • Original price $15.40 - Original price $15.40
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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 $43.00 - Original price $43.00
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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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    Original price $43.00 - Original price $43.00
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  • Original price $153.00 - Original price $153.00
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    Neptune's Harvest Liquid Fish & Seaweed Fertilizer (2-3-1) - 5 Gallons

    Made from hydrolyzed fish fertilizer from fresh fish remains from the North Atlantic Ocean. It also contains seaweed (Ascophyllum Nodosum). Can be ...

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    Original price $153.00 - Original price $153.00
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  • Original price $105.00 - Original price $105.00
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    BioSafe TerraGrow - 4 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 $105.00 - Original price $105.00
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  • Original price $76.00 - Original price $76.00
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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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  • Original price $37.00 - Original price $37.00
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    EM1 Microbial Inoculant Concentrate - 1 Qt

    EM-1 Microbial Inoculant is a naturally-fermented, live microbial product. This is Dr Higa's Original Effective Microorganisms Concentrate. EM-1 Mi...

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  • Original price $45.00 - Original price $45.00
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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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    Biomin® Liquid Manganese (1-0-0-5%Mn) - 1 Gallon

    JH Biotech has developed this chelated Manganese mineral for plants deficient in Mn. Biomin® Manganese Amino Acid Chelated Minerals from JH Biotech...

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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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    Zeolite Soil Amendment - 50 lb Bag

    Zeolite has superior absorption and adsorption properties and thereby reduces water and fertilizer costs by retaining beneficial nutrients and mois...

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  • Original price $73.00 - Original price $73.00
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    BioLink® Cal Plus Liquid 6% - 2.5 Gallon

    From ORGANIC BIOLINK® this liquid Calcium is complexed with naturally fermented organic acids and is immediately available to plants. Calcium is es...

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    Mycorrhizal Inoculant Plus+ - 1.5 lb Bag

    A complete root bio stimulant with a concentrated blend of Endo and Ecto Mycorrhizal Fungi and Beneficial Bacteria. Four Endo Species (120 prop/gra...

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  • Original price $16.50 - Original price $16.50
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    Humax 12% from JH Biotech - Gallon

    Humax®, the “Black Gold of Agriculture”, is our concentrated liquid humic acid extracted from Leonardite. Humic Acid is a naturally occurring organ...

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    Biomin® Liquid Zinc (1-0-0-7%Zn) - 1 Gallon

    Prevent and correct zinc deficiencies and boost crops during critical or fast growing periods. Biomin® Zinc is an amino acid chelated zinc mineral ...

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  • Original price $215.00 - Original price $215.00
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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 $215.00 - Original price $215.00
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    Thorvin Kelp Minerals for Animals OG - 3 lb Bag

    This is the best kelp on the market and it is certified organically grown. This Icelandic kelp is processed in a state of the art plant that is bui...

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    Iron Sulfate Powder 20% - 1 lb Bag

    Essential Iron 20%. Ferrous (Iron) Sulfate Heptahydrate. A soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysi...

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  • Original price $31.50 - Original price $31.50
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    Alfalfa Pellets Organically Grown 17% Protein - 50 lb Bag

    Alfalfa Pellets are produced from standing organically grown alfalfa, which is mowed and chopped in the field, delivered to the dehydrating plant s...

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  • Original price $79.70 - Original price $79.70
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    EM1 Microbial Inoculant Concentrate - 1 Gallon

    EM-1 Microbial Inoculant is a naturally-fermented, live microbial product. This is Dr Higa's Original Effective Microorganisms Concentrate. EM-1 Mi...

    View full details
    Original price $79.70 - Original price $79.70
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    Current price $79.70
  • Original price $37.00 - Original price $37.00
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    Nature Safe Starter Fertilizer (5-6-6) - 50 lb Bag

    Derived from meat and bone meal, blood meal, and langbeinite. Contains 4.5% slow release Nitrogen. 0.5% water soluble Nitrogen will provide green-u...

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    Original price $37.00 - Original price $37.00
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  • Original price $215.00 - Original price $215.00
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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 $215.00 - Original price $215.00
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  • Original price $12.50 - Original price $12.50
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    Coast of Maine Stonington Blend Organic Plant Food (5-2-4) - 4 lb Bag

    Coast of Maine Stonington Organic Plant Food (5–2–4) is an exceptional organic granular fertilizer made with lobster, crab, fish and kelp meal plus...

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    Original price $12.50 - Original price $12.50
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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!