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Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
  • Original price $36.00 - Original price $36.00
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    Current price $36.00

    Iron Sulfate Powder 20% - 50 lb Bag

    Ferrous (Iron) Sulfate Heptahydrate is a soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysis: 18% Sulfur, 20%...

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    Original price $36.00 - Original price $36.00
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    Current price $36.00
  • Original price $126.90 - Original price $126.90
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    Copper Sulfate Powder - 50 lb Bag

    Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

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    Original price $126.90 - Original price $126.90
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    Current price $126.90
  • Original price $86.30 - Original price $86.30
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    Current price $86.30

    Zinc Sulfate Powder, Ag & Livestock- 50 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 $86.30 - Original price $86.30
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    Current price $86.30
  • 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 $52.00 - Original price $52.00
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    Allganic Nitrogen Plus (15-0-2) 50 lb Bag

    Allganic Nitrogen Plus is a micro-pelletized sodium nitrate from Chile, containing 15% Nitrate-Nitrogen and 2% Potassium, and is easy to broadcast....

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    Original price $52.00 - Original price $52.00
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  • Original price $1,515.00 - Original price $1,515.00
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    Current price $1,515.00

    Brown's Fish Fertilizer (2-3-1) - 275 Gallons

    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 $1,515.00 - Original price $1,515.00
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  • Original price $128.95 - Original price $128.95
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    $128.95
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    Current price $128.95

    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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    Current price $128.95
  • Original price $60.50 - Original price $60.50
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    Current price $60.50

    BioLink® Potassium Fertilizer Liquid (0-0-6) - 2.5 Gallon

    BioLink Potassium Fertilizer (0-0-6) is a liquid fertilizer containing 6.0% soluble potash derived from sulfate of potash (potassium sulfate). It c...

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    Original price $60.50 - Original price $60.50
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  • Original price $78.25 - Original price $78.25
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    Current price $78.25

    BioLink® All Purpose Liquid (0-5-5) - 2.5 Gallon

    BioLink All Purpose Liquid (0-5-5) is a liquid fertilizer for correction of phosphorus and potassium deficiencies. Can be applied to all crops. Der...

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    Original price $78.25 - Original price $78.25
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    Current price $78.25
  • Original price $471.95 - Original price $471.95
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    Maxicrop Soluble Seaweed Powder (0-0-17) - 44 lbs

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

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    Original price $471.95 - Original price $471.95
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  • Original price $296.95 - Original price $296.95
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    Maxicrop Soluble Seaweed Powder (0-0-17) - 22 lb

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

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    Original price $296.95 - Original price $296.95
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  • Original price $505.50 - Original price $505.50
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    Neptune's Harvest Liquid Fish Fertilizer (2-4-0.5) - 55 Gallons

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

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    Original price $505.50 - Original price $505.50
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  • Original price $143.00 - Original price $143.00
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    $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 $655.00 - Original price $655.00
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    Neptune's Harvest Liquid Fish & Seaweed Fertilizer (2-3-0.5) - 55 Gallons

    Neptune's Harvest Liquid Fish & Seaweed Fertilizer is made of hydrolyzed fish fertilizer from fresh fish remains from the North Atlantic and so...

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    Original price $655.00 - Original price $655.00
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  • Original price $162.00 - Original price $162.00
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    Current price $162.00

    Neptune's Harvest Liquid Fish & Seaweed Fertilizer (2-3-1) - 5 Gallons

    Neptune's Harvest Liquid Fish & Seaweed Fertilizer is made of hydrolyzed fish fertilizer from fresh fish remains from the North Atlantic and so...

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    Original price $162.00 - Original price $162.00
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    $162.00
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    Current price $162.00
  • Original price $49.25 - Original price $49.25
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    Neptune's Harvest Liquid Fish & Seaweed Fertilizer (2-3-1) - 1 Gallon

    Neptune's Harvest Liquid Fish & Seaweed Fertilizer is made of hydrolyzed fish fertilizer from fresh fish remains from the North Atlantic and so...

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    Original price $49.25 - Original price $49.25
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    $49.25
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    Current price $49.25
  • Original price $435.00 - Original price $435.00
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    $435.00
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    Current price $435.00

    Brown's Fish Fertilizer (2-3-1) - 55 Gallons

    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 $435.00 - Original price $435.00
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    $435.00
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    Current price $435.00
  • Original price $11.95 - Original price $11.95
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    Current price $11.95

    Brown's Fish Fertilizer (2-3-1) - 1 Qt

    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 $11.95 - Original price $11.95
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    $11.95
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    Original price $725.00 - Original price $725.00
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    VermaPlex Liquid Concentrate - 55 Gallon Drum

    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 $725.00 - Original price $725.00
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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 $20.25 - Original price $20.25
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    $20.25
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    Original price $0.00 - Original price $0.00
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    $56.50
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    Allganic Soluble Potassium Sulfate SOP (0-0-52+S18%) - 50 lb Bag

    Potassium Sulfate Allganic Brand Water Soluble SOP (0-0-52-Sulfur 18%) is a soluble SOP for crop production. Apply according to your soil test, y...

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    Original price $0.00 - Original price $0.00
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    $56.50
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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 $118.50 - Original price $118.50
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    BioLink Moly4 - 2.5 gallon

    A liquid molybdenum complexed with amino acids for improved availability and uptake by plants. It provides a quick boost to plants under nutrient s...

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    Original price $118.50 - Original price $118.50
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    Original price $144.50 - Original price $144.50
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    ProPhos (0-20-0) - 3.5 gal

    Made from rock phosphate. 20% P2O5. For foliar or drip applications. 3.5 gal contains 11.3 lbs of available P2O5. Apply according to soil or tissue...

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    Original price $144.50 - Original price $144.50
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  • Original price $359.00 - Original price $359.00
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    ProCal (3-0-0) plus 20% Ca - 44 lbs

    Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. For use as a foliar or...

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    Original price $359.00 - Original price $359.00
    Original price $359.00
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  • Original price $73.45 - Original price $73.45
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    ProCal (3-0-0) plus 20% Ca - 8 lbs

    Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. For use as a foliar or...

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    Original price $73.45 - Original price $73.45
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  • Original price $40.60 - Original price $40.60
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    Cal-Mag Amplified (2-0-0) - 1 Gal

    2% N, 3.5% Ca, 1% Mg, 0.1% Fe. Provides supplemental Calcium and Magnesium. Especially popular with container gardeners. Mix 5 ml per gallon of wat...

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    Original price $40.60 - Original price $40.60
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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 $17.95 - Original price $17.95
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    $17.95
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    Current price $17.95
  • Original price $99.35 - Original price $99.35
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    TRIGGRR (0-0-1) - 1 Gal

    Liquid concentrate derived from kelp and plant extracts and contains 0.45% humic acid. Use it to increase water and micronutrient uptake, as a foli...

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    Original price $99.35 - Original price $99.35
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    Original price $17.25
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    Current price $13.00
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    Terra Alba Gypsum - Soluble Powder - 50 lb bag

    Extremely pure, solution-grade Calcium Sulfate. Industrial grade, not for human or animal consumption. Apply according to soil test recommendations...

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    Original price $17.25
    Original price $17.25 - Original price $17.25
    Original price $17.25
    Current price $13.00
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    Original price $263.90 - Original price $263.90
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    $263.90
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    K-Mate SG (0-0-12) - 50lb Bag

    K-Mate SG is a highly concentrated (99%) organic humic acid product that is designed to be dissolved into water to make your own liquid potassium h...

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    Original price $263.90 - Original price $263.90
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  • Sale Sale
    Original price $200.50
    Original price $200.50 - Original price $200.50
    Original price $200.50
    Current price $170.00
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    Current price $170.00

    BlueGold Nitrogen (14-0-0) - 46 lb Bag

    BlueGold® Nitrogen is 100% water-soluble protein hydrolysates and is derived from soy. It is sodium-free. BlueGold® Nitrogen can be applied by grou...

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    Original price $200.50
    Original price $200.50 - Original price $200.50
    Original price $200.50
    Current price $170.00
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    Current price $170.00
    Sale Sale
  • Original price $37.00 - Original price $37.00
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    Ferti Nitro Plus Soluble Soy (13.62-0-0) - 5 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 $37.00 - Original price $37.00
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  • Original price $22.00 - Original price $22.00
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    DTE Solution Grade Potassium Sulfate (0-0-50) - 5 lb

    Potassium Sulfate contains potassium (K) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach th...

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    Original price $22.00 - Original price $22.00
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    DTE Solution Grade Langbeinite (0-0-21.5) - 5 lb

    Langbeinite (AKA KMag, or SulPoMag) is a mineral that contains potassium (K), magnesium (Mg) and sulfur (S) – three of the essential nutrients that...

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    Original price $22.00 - Original price $22.00
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  • Original price $14.75 - Original price $14.75
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    DTE Solution Grade Calcium 96 - 5 lb

    Ultra fine and highly reactive, Calcium 96 is a natural limestone powder that provides immediate availability of this valuable nutrient for plants ...

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    Original price $14.75 - Original price $14.75
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