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Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
Original price $215.00 - Original price $215.00
Original price
Call for pricing
$215.00 - $215.00
Current price $215.00

Endomycorrhizal Inoculant (BEI) Micronized Powder - 10 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 $215.00 - Original price $215.00
Original price
Call for pricing
$215.00 - $215.00
Current price $215.00
Original price $12.85 - Original price $12.85
Original price
$12.85
$12.85 - $12.85
Current price $12.85

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 $12.85 - Original price $12.85
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$12.85
$12.85 - $12.85
Current price $12.85
Original price $101.50 - Original price $101.50
Original price
$101.50
$101.50 - $101.50
Current price $101.50

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
Original price
$101.50
$101.50 - $101.50
Current price $101.50
Original price $52.00 - Original price $52.00
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$52.00
$52.00 - $52.00
Current price $52.00

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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$52.00
$52.00 - $52.00
Current price $52.00
Original price $1,100.00 - Original price $1,100.00
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$1,100.00
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Current price $1,100.00

Crescendo Organic Fertilizer (8-2-2) - Full Pallet 40 x 50 lb

A fertilizer derived from composted poultry layer manure and feather meal. All-purpose for vegetables, fruits, lawn and landscape. Analysis: 3.2% w...

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Original price $1,100.00 - Original price $1,100.00
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$1,100.00
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Current price $1,100.00
Original price $1,515.00 - Original price $1,515.00
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$1,515.00
$1,515.00 - $1,515.00
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
Original price
$1,515.00
$1,515.00 - $1,515.00
Current price $1,515.00
Original price $404.50 - Original price $404.50
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$404.50
$404.50 - $404.50
Current price $404.50

EM1 Microbial Inoculant Concentrate - 5 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 $404.50 - Original price $404.50
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$404.50
$404.50 - $404.50
Current price $404.50
Original price $128.95 - Original price $128.95
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$128.95
$128.95 - $128.95
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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$128.95
$128.95 - $128.95
Current price $128.95
Original price $60.50 - Original price $60.50
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$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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$60.50
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Current price $60.50
Original price $78.25 - Original price $78.25
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$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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$78.25
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Current price $78.25
Original price $34.50 - Original price $34.50
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$34.50
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Current price $34.50

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 $34.50 - Original price $34.50
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$34.50
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Current price $34.50
Original price $471.95 - Original price $471.95
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$471.95
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Current price $471.95

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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$471.95
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Current price $471.95
Original price $296.95 - Original price $296.95
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$296.95
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Current price $296.95

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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$296.95
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Current price $296.95
Original price $88.80 - Original price $88.80
Original price
$88.80
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Current price $88.80

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 $88.80 - Original price $88.80
Original price
$88.80
$88.80 - $88.80
Current price $88.80
Original price $13.70 - Original price $13.70
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$13.70
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Current price $13.70

Coast of Maine Quoddy Lobster Compost - 1 cu ft Bag

The original "seafood" compost Quoddy Blend Organic Lobster Compost is made with compost, sphagnum peat moss, aged bark, and chitin-rich lobster an...

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Original price $13.70 - Original price $13.70
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$13.70
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Current price $13.70
Original price $505.50 - Original price $505.50
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$505.50
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Current price $505.50

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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Current price $505.50
Original price $143.00 - Original price $143.00
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$143.00
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Current price $143.00

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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$143.00
$143.00 - $143.00
Current price $143.00
Original price $655.00 - Original price $655.00
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$655.00
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Current price $655.00

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
Original price
$655.00
$655.00 - $655.00
Current price $655.00
Original price $162.00 - Original price $162.00
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$162.00
$162.00 - $162.00
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
Original price
$162.00
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Current price $162.00
Original price $40.25 - Original price $40.25
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$40.25
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Current price $40.25

Crab Shell 4-4-0 +18% Ca - 40 lb Bag

By providing existing soil microbes with food and energy, crab shell naturally and safely improves soil health by enhancing the beneficial microbia...

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Original price $40.25 - Original price $40.25
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Current price $40.25
Original price $49.25 - Original price $49.25
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$49.25
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Current price $49.25

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
Original price
$49.25
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Current price $49.25
Original price $56.85 - Original price $56.85
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$56.85
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Current price $56.85

Humic DG - 40 lb Bag

The Andersons brand Humic DG is an easy flow micro-pelletized humic acid (70%). Humic DG is a mix of humic acid percursor, fulvic acid, humic acid,...

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Original price $56.85 - Original price $56.85
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Current price $56.85
Original price $29.50 - Original price $29.50
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$29.50
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Current price $29.50

Sea-90 Soil Mineralizer+ - 50 lb Bag

Sea-90 Soil Mineralizer+ now includes 1% Humic Acid as well as 0.1% K2O, 1.5% Ca, 0.5% Mg and 1% S. Sea-90 is natural salt crystals produced by so...

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Original price $29.50 - Original price $29.50
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Current price $29.50
Original price $37.80 - Original price $37.80
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$37.80
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Current price $37.80

Bokashi EM-1 - 5 lb Bag

Bokashi is a naturally fermented product made by fermenting EM-1 Microbial Inoculant with Organic Rice Bran. It is primarily used in fermenting foo...

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Original price $37.80 - Original price $37.80
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$37.80
$37.80 - $37.80
Current price $37.80
Original price $38.25 - Original price $38.25
Original price
$38.25
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Current price $38.25

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 $38.25 - Original price $38.25
Original price
$38.25
$38.25 - $38.25
Current price $38.25
Original price $435.00 - Original price $435.00
Original price
$435.00
$435.00 - $435.00
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
Original price
$435.00
$435.00 - $435.00
Current price $435.00
Original price $11.95 - Original price $11.95
Original price
$11.95
$11.95 - $11.95
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
Original price
$11.95
$11.95 - $11.95
Current price $11.95
Original price $18.80 - Original price $18.80
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$18.80
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Current price $18.80

Redmond Agriculture Conditioner - 50 lb Bag

A mineral from montmorillonite (hydrated sodium calcium aluminosilicate). It is used as a livestock feed additive to help them utilize their feed a...

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Original price $18.80 - Original price $18.80
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$18.80
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Current price $18.80
Original price $725.00 - Original price $725.00
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$725.00
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Current price $725.00

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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Current price $725.00
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Original price $20.25 - Original price $20.25
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$20.25
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Current price $20.25

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
Original price
$20.25
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Current price $20.25
Original price $0.00 - Original price $0.00
Original price $0.00
$56.50
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Current price $56.50

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
Original price $0.00
$56.50
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Current price $56.50
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Original price $23.40 - Original price $23.40
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Current price $23.40

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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Current price $23.40
Original price $25.00 - Original price $200.00
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Current price $25.00

Seven Springs Farm Supply Gift Card

Looking for a gift for the farmer or grower in your life? Look no further! Let them pick exactly what they need for their growing season with our g...

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Original price $25.00 - Original price $200.00
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Current price $25.00
Original price $38.00 - Original price $38.00
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$38.00
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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
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Current price $38.00
Original price $144.50 - Original price $144.50
Original price $144.50
$146.50
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Current price $146.50

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
Original price $144.50
$146.50
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Current price $146.50
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Original price $359.00 - Original price $359.00
Original price $359.00
$359.00
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Current price $359.00

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
$359.00
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Current price $359.00
Original price $73.45 - Original price $73.45
Original price $73.45
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Current price $73.45

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
Original price $73.45
$73.45
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Current price $73.45
Original price $40.60 - Original price $40.60
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Current price $40.60

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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Current price $40.60
Original price $50.50 - Original price $50.50
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Current price $50.50

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 $50.50 - Original price $50.50
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Current price $50.50
Original price $15.40 - Original price $15.40
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$15.40
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Current price $15.40

Mikro-H2O - 2 oz Bag

High concentrations of Bacillus subtilis and B. amyloliquefaciens create a biofilm in the rhizosphere to help plants retain water and better manage...

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Original price $15.40 - Original price $15.40
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Current price $15.40
Original price $26.75 - Original price $26.75
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Current price $26.75

Mikro-BW Bloom Wizard - 8 fl oz

This blend contains Bacillus subtilis and B. amyloliquefaciens, both root colonizers that promote growth and protect plants, as well as soluble sea...

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Original price $26.75 - Original price $26.75
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Current price $26.75
Original price $13.10 - Original price $13.10
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Current price $13.10

Mikro-Myco - 2 oz Bag

18 species of beneficial soil microbes together in one superpack! Includes endo and ectomycorrhizae (Glomus, Rhizopogon, Pisolithus and Scleroderma...

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Original price $13.10 - Original price $13.10
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Current price $13.10
Original price $16.40 - Original price $16.40
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Current price $16.40

Mikro-Root - 2 oz Bag

Trichoderma harzianum and T. viride (two root-colonizing, beneficial fungi) help solubilize phosphate and create bigger, healthier and disease-free...

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Original price $16.40 - Original price $16.40
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Current price $16.40
Original price $17.95 - Original price $17.95
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$17.95
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Current price $17.95

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
Original price
$17.95
$17.95 - $17.95
Current price $17.95
Original price $99.35 - Original price $99.35
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Current price $99.35

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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$99.35
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Current price $99.35
Original price $17.25
Original price $17.25 - Original price $17.25
Original price $17.25
Current price $13.00
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Current price $13.00

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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Current price $13.00
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Original price $15.50 - Original price $15.50
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Current price $15.50

Wakefield BioChar and Compost Blend - 1 cu. ft. Bag

Compost HERO biochar blend is made with premium Wakefield BioChar, organic compost and mycorrhizal fungi to create a superior soil conditioner. Wak...

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Original price $15.50 - Original price $15.50
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Current price $15.50
Original price $12.95 - Original price $12.95
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Current price $12.95

NutraSoft OP Gypsum - 40lb Bag

NutraSoft OP Gypsum is a granulated gypsum soil amendment for lawns and gardens, with an analysis of 21% calcium and 16% sulfur. Gypsum adds calciu...

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Original price $12.95 - Original price $12.95
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Current price $12.95