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Get ready for the spring with our Cooperative Purchasing deliveries 🚛 click here to learn more!
Get ready for the spring with our Cooperative Purchasing deliveries 🚛 click here to learn more!

Soil Amendments

Mixed and single-source macro and micro-nutrients.
Original price $42.20 - Original price $42.20
Original price
$42.20
$42.20 - $42.20
Current price $42.20

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 ...

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Original price $42.20 - Original price $42.20
Original price
$42.20
$42.20 - $42.20
Current price $42.20
Original price $24.10 - Original price $24.10
Original price
$24.10
$24.10 - $24.10
Current price $24.10

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 $24.10 - Original price $24.10
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$24.10
$24.10 - $24.10
Current price $24.10
Original price $20.90 - Original price $20.90
Original price
$20.90
$20.90 - $20.90
Current price $20.90

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 $20.90 - Original price $20.90
Original price
$20.90
$20.90 - $20.90
Current price $20.90
Original price $52.50 - Original price $52.50
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$52.50
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Current price $52.50

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 $52.50 - Original price $52.50
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$52.50
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Current price $52.50
Original price $25.90 - Original price $25.90
Original price
$25.90
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Current price $25.90

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 $25.90 - Original price $25.90
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$25.90
$25.90 - $25.90
Current price $25.90
Original price $11.75 - Original price $11.75
Original price
$11.75
$11.75 - $11.75
Current price $11.75

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 $11.75 - Original price $11.75
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$11.75
$11.75 - $11.75
Current price $11.75
Original price $266.70 - Original price $266.70
Original price
$266.70
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Current price $266.70

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 $266.70 - Original price $266.70
Original price
$266.70
$266.70 - $266.70
Current price $266.70
Original price $80.40 - Original price $80.40
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$80.40
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Current price $80.40

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 $80.40 - Original price $80.40
Original price
$80.40
$80.40 - $80.40
Current price $80.40
Original price $26.60 - Original price $26.60
Original price
$26.60
$26.60 - $26.60
Current price $26.60

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 $26.60 - Original price $26.60
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$26.60
$26.60 - $26.60
Current price $26.60
Original price $26.60 - Original price $26.60
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$26.60
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Current price $26.60

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 $26.60 - Original price $26.60
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$26.60
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Current price $26.60
Original price $26.90 - Original price $26.90
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$26.90
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Current price $26.90

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 $26.90 - Original price $26.90
Original price
$26.90
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Current price $26.90
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Original price $136.80 - Original price $136.80
Original price
$136.80
$136.80 - $136.80
Current price $136.80

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 $136.80 - Original price $136.80
Original price
$136.80
$136.80 - $136.80
Current price $136.80
Original price $37.10 - Original price $37.10
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$37.10
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Current price $37.10

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 $37.10 - Original price $37.10
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$37.10
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Current price $37.10
Original price $43.90 - Original price $43.90
Original price
$43.90
$43.90 - $43.90
Current price $43.90

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 $43.90 - Original price $43.90
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$43.90
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Current price $43.90
Original price $103.60 - Original price $103.60
Original price
$103.60
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Current price $103.60

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 $103.60 - Original price $103.60
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$103.60
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Current price $103.60
Original price $11.75 - Original price $11.75
Original price
$11.75
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Current price $11.75

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 $11.75 - Original price $11.75
Original price
$11.75
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Current price $11.75
Sold out
Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00

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 $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00
Sold out
Original price $27.60 - Original price $27.60
Original price
$27.60
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Current price $27.60

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 $27.60 - Original price $27.60
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$27.60
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Current price $27.60
Original price $26.60 - Original price $26.60
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$26.60
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Current price $26.60

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 $26.60 - Original price $26.60
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$26.60
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Current price $26.60
Original price $26.60 - Original price $26.60
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$26.60
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Current price $26.60

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 $26.60 - Original price $26.60
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$26.60
$26.60 - $26.60
Current price $26.60
Original price $147.30 - Original price $147.30
Original price
$147.30
$147.30 - $147.30
Current price $147.30

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 $147.30 - Original price $147.30
Original price
$147.30
$147.30 - $147.30
Current price $147.30
Original price $16.30 - Original price $16.30
Original price
$16.30
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Current price $16.30

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 $16.30 - Original price $16.30
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$16.30
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Current price $16.30
Original price $44.40 - Original price $44.40
Original price
$44.40
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Current price $44.40

Nature Safe All Season Fertilizer (10-2-8) - 50 lb Bag

This coarse (SGN 220-230) general use fertilizer is derived from feather meal, meat and bone meal, blood meal and sulfate of potash. It contains 9%...

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Original price $44.40 - Original price $44.40
Original price
$44.40
$44.40 - $44.40
Current price $44.40
Original price $166.90 - Original price $166.90
Original price
$166.90
$166.90 - $166.90
Current price $166.90

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 $166.90 - Original price $166.90
Original price
$166.90
$166.90 - $166.90
Current price $166.90
Original price $144.20 - Original price $144.20
Original price
$144.20
$144.20 - $144.20
Current price $144.20

BioSafe TerraGrow - 5 lbs

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

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Original price $144.20 - Original price $144.20
Original price
$144.20
$144.20 - $144.20
Current price $144.20
Sold out
Original price $80.60 - Original price $80.60
Original price
$80.60
$80.60 - $80.60
Current price $80.60

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 $80.60 - Original price $80.60
Original price
$80.60
$80.60 - $80.60
Current price $80.60
Original price $39.40 - Original price $39.40
Original price
$39.40
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Current price $39.40

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. It's a ...

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Original price $39.40 - Original price $39.40
Original price
$39.40
$39.40 - $39.40
Current price $39.40
Original price $47.80 - Original price $47.80
Original price
$47.80
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Current price $47.80

Actosol Organic Biostimulant - 2.5 Gallon

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

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Original price $47.80 - Original price $47.80
Original price
$47.80
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Current price $47.80
Original price $26.60 - Original price $26.60
Original price
$26.60
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Current price $26.60

Biomin® Liquid Manganese (1-0-0-5%Mn) - 1 Gallon

Biomin® Manganese Amino Acid Chelated Minerals is a chelated manganese that is completely bioavailable and can be applied as a soil and/or foliar a...

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Original price $26.60 - Original price $26.60
Original price
$26.60
$26.60 - $26.60
Current price $26.60
Original price $78.50 - Original price $78.50
Original price
$78.50
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Current price $78.50

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 $78.50 - Original price $78.50
Original price
$78.50
$78.50 - $78.50
Current price $78.50
Original price $29.95 - Original price $29.95
Original price
$29.95
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Current price $29.95

Zeolite Soil Amendment - 50 lb Bag

Zeolite has superior absorption capabilities with a coarse sand texture (14 - 40 mesh). In soils, it can increase cation exchange capacity, water-h...

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Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95
Original price $99.40 - Original price $99.40
Original price
$99.40
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Current price $99.40

BioLink® Cal Plus Liquid 6% - 2.5 Gallon

BioLink Cal Plus Liquid 6% is a liquid calcium fertilizer complexed with an organic acid, making it immediately available to plants. Use as a folia...

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Original price $99.40 - Original price $99.40
Original price
$99.40
$99.40 - $99.40
Current price $99.40
Original price $52.00 - Original price $52.00
Original price
$52.00
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Current price $52.00

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 $52.00 - Original price $52.00
Original price
$52.00
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Current price $52.00
Original price $17.50 - Original price $17.50
Original price
$17.50
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Current price $17.50

Humax 12% from JH Biotech - Gallon

Humax is a concentrated liquid humic acid extracted from leonardite for foliar or soil applications. It will chelate nutrients for more efficient n...

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Original price $17.50 - Original price $17.50
Original price
$17.50
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Current price $17.50
Original price $26.60 - Original price $26.60
Original price
$26.60
$26.60 - $26.60
Current price $26.60

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

Biomin® Zinc is an amino acid chelated zinc liquid fertilizer for soil and foliar application. It is completely bio-available and is used to preven...

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Original price $26.60 - Original price $26.60
Original price
$26.60
$26.60 - $26.60
Current price $26.60
Original price $235.40 - Original price $235.40
Original price
$235.40
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Current price $235.40

Ferti-Organic Soluble Humic Acid - 50 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 $235.40 - Original price $235.40
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$235.40
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Current price $235.40
Original price $21.90 - Original price $21.90
Original price
$21.90
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Current price $21.90

Thorvin Kelp - 3 lb Bag

Thorvin Kelp is a single sourced kelp from Icelandic waters and is certified organic and OMRI-listed. The kelp is processed at a low temperature in...

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Original price $21.90 - Original price $21.90
Original price
$21.90
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Current price $21.90
Original price $10.80 - Original price $10.80
Original price
$10.80
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Current price $10.80

Iron Sulfate Powder 20% - 1 lb Bag

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

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Original price $10.80 - Original price $10.80
Original price
$10.80
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Current price $10.80
Original price $35.60 - Original price $35.60
Original price
$35.60
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Current price $35.60

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 $35.60 - Original price $35.60
Original price
$35.60
$35.60 - $35.60
Current price $35.60
Original price $91.50 - Original price $91.50
Original price
$91.50
$91.50 - $91.50
Current price $91.50

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. It's a ...

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Original price $91.50 - Original price $91.50
Original price
$91.50
$91.50 - $91.50
Current price $91.50
Original price $38.00 - Original price $38.00
Original price
$38.00
$38.00 - $38.00
Current price $38.00

Nature Safe Starter Fertilizer (5-6-6) - 50 lb Bag

Derived from meat and bone meal, blood meal, and langbeinite (KMag or SulPoMag). Contains 4.5% slow release nitrogen. 0.5% water soluble nitrogen w...

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Original price $38.00 - Original price $38.00
Original price
$38.00
$38.00 - $38.00
Current price $38.00
Original price $247.70 - Original price $247.70
Original price
$247.70
$247.70 - $247.70
Current price $247.70

BioSafe TerraGrow - 10 lbs

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

View full details
Original price $247.70 - Original price $247.70
Original price
$247.70
$247.70 - $247.70
Current price $247.70
Original price $19.50 - Original price $19.50
Original price
$19.50
$19.50 - $19.50
Current price $19.50

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 $19.50 - Original price $19.50
Original price
$19.50
$19.50 - $19.50
Current price $19.50
Original price $50.70 - Original price $50.70
Original price
$50.70
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Current price $50.70

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 $50.70 - Original price $50.70
Original price
$50.70
$50.70 - $50.70
Current price $50.70
Original price $305.90 - Original price $305.90
Original price
$305.90
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Current price $305.90

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 $305.90 - Original price $305.90
Original price
$305.90
$305.90 - $305.90
Current price $305.90
Original price $122.10 - Original price $122.10
Original price
$122.10
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Current price $122.10

Endomycorrhizal Inoculant (BEI) Micronized Powder - 5 lb Bag

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 $122.10 - Original price $122.10
Original price
$122.10
$122.10 - $122.10
Current price $122.10
Original price $63.40 - Original price $63.40
Original price
$63.40
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Current price $63.40

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 $63.40 - Original price $63.40
Original price
$63.40
$63.40 - $63.40
Current price $63.40
Original price $486.10 - Original price $486.10
Original price
$486.10
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Current price $486.10

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 $486.10 - Original price $486.10
Original price
$486.10
$486.10 - $486.10
Current price $486.10