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Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
Original price $17.75 - Original price $17.75
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$17.75
$17.75 - $17.75
Current price $17.75

Harmony Ag Organic Fertilizer (5-4-3) 9% Calcium - 40 lb Bag

Harmony Ag Organic Fertilizer w/ 9% Calcium (5-4-3) is our most popular fertilizer, made from composted poultry layer manure. All-purpose for veget...

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Original price $17.75 - Original price $17.75
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$17.75
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Current price $17.75
Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40

Azomite Micronized Powder - 44 lb Bag

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

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Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40
Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40

Azomite Granular - 44 lb Bag

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

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Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40
Original price $101.50 - Original price $101.50
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$101.50
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Current price $101.50

Thorvin Kelp - 50 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 $101.50 - Original price $101.50
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$101.50
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Current price $101.50
Original price $27.90 - Original price $27.90
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$27.90
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Current price $27.90

Elemental Sulfur 90% - 50 lb Bag

Pelletized sulfur is used to correct sulfur deficiencies or lower soil pH. Excellent for blueberries and all acid-loving plants. Rates vary by star...

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Original price $27.90 - Original price $27.90
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Current price $27.90
Original price $27.20 - Original price $27.20
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$27.20
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Current price $27.20

Magnesium Sulfate (Epsom Salt) - Technical Grade - 50 lb Bag (Agriculture)

Magnesium Sulfate (Epsom Salt) Technical Grade - Mg 9.8%, S 12.9%. Quick acting magnesium & sulfur fertilizer. It can be used for a soil or fol...

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Original price $27.20 - Original price $27.20
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Current price $27.20
Original price $40.50 - Original price $40.50
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Current price $40.50

Bone Meal Granulated (2-14-0) - 50 lb Bag

Par-4 brand (2-14-0) is a steamed bone meal that is micro-pelletized for easy application. Bone meal is an excellent source of calcium at 20% and c...

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Original price $40.50 - Original price $40.50
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Current price $40.50
Original price $34.50 - Original price $34.50
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$34.50
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Current price $34.50

Alfalfa Meal Organically Grown for Plants or Animals (3-0.5-3) - 50 lb Bag

As a fertilizer it has an analysis of 3-0.5-3 and is loaded with micronutrients. The alfalfa plant has a deep root system that draws up minerals be...

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Original price $34.50 - Original price $34.50
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Current price $34.50
Original price $42.75 - Original price $42.75
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$42.75
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Current price $42.75

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 $42.75 - Original price $42.75
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Original price $43.70 - Original price $43.70
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Current price $43.70

Feather Meal (13-0-0) - 50 lb Bag

Feather meal, a by-product of poultry processing, is cooked, sterilized under intense heat using steam pressure cookers, dried, and ground into a m...

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Original price $43.70 - Original price $43.70
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Original price $41.00 - Original price $41.00
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$41.00
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Current price $41.00

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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Current price $41.00
Original price $88.75 - Original price $88.75
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$88.75
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Current price $88.75

Brown's Fish Fertilizer (2-3-1) - 5 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 $88.75 - Original price $88.75
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Current price $88.75
Original price $9.75 - Original price $9.75
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$9.75
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Current price $9.75

True Organic Prilled Sulfur 99% - 5 lb Bag

Prilled elemental sulfur is used to correct sulfur deficiencies or lower soil pH.  Our elemental sulfur will have a light green color. Excellent fo...

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Original price $9.75 - Original price $9.75
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Current price $9.75
Original price $84.50 - Original price $84.50
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$84.50
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Current price $84.50

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 $84.50 - Original price $84.50
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Current price $84.50
Original price $26.40 - Original price $26.40
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$26.40
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Current price $26.40

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 $26.40 - Original price $26.40
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Current price $26.40
Original price $46.40 - Original price $46.40
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$46.40
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Current price $46.40

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 $46.40 - Original price $46.40
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Current price $46.40
Original price $36.00 - Original price $36.00
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$36.00
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Current price $36.00

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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Current price $36.00
Original price $9.10 - Original price $9.10
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Hi-Cal Lime Powder - 50 lb Bag

High quality 100% pulverized limestone is high in calcium and very low in magnesium content. Elemental calcium is 38%. Calcium carbonate equivalent...

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Original price $9.10 - Original price $9.10
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Original price $46.75 - Original price $46.75
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Current price $46.75

Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 50 lb Bag

Potassium is essential for a vigorous root system, plant growth, disease resistance, as well as fruit and vegetable quality. SOP granular is a natu...

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Original price $46.75 - Original price $46.75
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Original price $24.75 - Original price $24.75
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Rock Phosphate Pelletized (0-3-0) - 50 lb Bag

Ida-Gro brand pelletized (0-3-0) - 20% total phosphate, 3% available phosphate, and 20% calcium is derived from a naturally mined soft rock phospha...

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Original price $63.00 - Original price $63.00
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Blood Meal (13-0-0) - 50 lb Bag

Blood Meal (13-0-0) - A natural source of nitrogen. Blood meal is ideal for promoting lush and green vegetative growth. The high nitrogen is rapidl...

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Original price $63.00 - Original price $63.00
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Current price $63.00
Original price $21.95 - Original price $21.95
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$21.95
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Current price $21.95

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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$21.95
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Current price $21.95
Original price $450.00 - Original price $450.00
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$450.00
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Gypsum Pelletized 2000 lb Tote

64% Calcium Sulfate, 22% Ca, 12% S. Supplemental Calcium for when soil pH does not need adjusted. Apply according to soil test - 2000 lbs contains ...

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Original price $450.00 - Original price $450.00
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Current price $450.00
Original price $10.85 - Original price $10.85
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$10.85
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Current price $10.85

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 $11.20 - Original price $11.20
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Coast of Maine Schoodic Blend Compost - 1 cu ft Bag

A dark, rich soil made from carefully composted cow manure and peat humus. The cow manure for the Schoodic Blend comes from local beef and dairy fa...

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Original price $11.20 - Original price $11.20
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Original price $15.85 - Original price $15.85
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$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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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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Current price $34.95
Original price $780.00 - Original price $780.00
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$780.00
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Current price $780.00

Worm Castings Mountain Gate Organics - 1.5 yd Sling

These worm castings are from Mountain Gate Organics out of Rockingham, VA and go through a multi-screening process to eliminate worm eggs without t...

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Original price $780.00 - Original price $780.00
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$780.00
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Current price $780.00
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Original price $21.30 - Original price $21.30
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$21.30
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Current price $21.30

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 $21.30 - Original price $21.30
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Original price $200.50 - Original price $200.50
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$200.50
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Current price $200.50

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 $200.50 - Original price $200.50
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Original price $89.00 - Original price $89.00
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$89.00
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Current price $89.00

Nature Safe (7-7-7) Soluble Powder - 50 lb Bag

NatureSafe 7-7-7 Dry Flowable is a fully soluble general purpose fertilizer made from corn steep liquor. The 6.5% water soluble nitrogen provides a...

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Original price $89.00 - Original price $89.00
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Current price $89.00
Original price $24.75 - Original price $24.75
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Current price $24.75

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 $24.75 - Original price $24.75
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Current price $24.75
Original price $77.00 - Original price $77.00
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$77.00
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Nature's Kelp from Thorvin - 50 lb Bag

Nature’s Kelp from Thorvin is a certified organic dried kelp (Ascophyllum Nodosum) from the North Atlantic that is a rich source of trace minerals....

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Original price $77.00 - Original price $77.00
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Original price $29.95 - Original price $29.95
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$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
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Current price $29.95
Original price $10.85 - Original price $10.85
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$10.85
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Current price $10.85

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 $20.10 - Original price $20.10
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Current price $20.10

Kenkashi Bokashi - 0.5 lb Box

A microbe-rich compound which helps to accelerate decomposition through the introduction of fermenting bacteria. Contains endo and ecto mycorrhizal...

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Original price $20.10 - Original price $20.10
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Original price $59.75 - Original price $59.75
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$59.75
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KenKashi Liquid Concentrate - 1 Gallon

A liquid probiotic for plants, soil and compost. A unique and beneficial living culture of microbes. Diluted 1:20 (5%) or activated (pitch into a v...

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Original price $59.75 - Original price $59.75
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Original price $28.85 - Original price $28.85
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$28.85
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Current price $28.85

KenKashi Liquid Concentrate - 1 Qt

A liquid probiotic for plants, soil and compost. A unique and beneficial living culture of microbes. Diluted 1:20 (5%) or activated (pitch into a v...

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Original price $28.85 - Original price $28.85
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$28.85
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Current price $28.85
Original price $25.50 - Original price $25.50
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$25.50
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Current price $25.50

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 $25.50 - Original price $25.50
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Current price $25.50
Original price $76.25 - Original price $76.25
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$76.25
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Current price $76.25

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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Current price $76.25
Original price $26.80 - Original price $26.80
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$26.80
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Current price $26.80

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 $26.80 - Original price $26.80
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Current price $26.80
Original price $22.20 - Original price $22.20
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$22.20
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Current price $22.20

Fulmax 3% Liquid Fulvic Acid - 1 Gallon

Fulmax® contains fulvic acid extracted from leonardite. It can be applied as a soil and/or foliar application to improve nutrient availability, sti...

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Original price $22.20 - Original price $22.20
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Current price $22.20
Original price $660.00 - Original price $660.00
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$660.00
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Current price $660.00

Aqua Power Liquid Fish Fertilizer (5-1-1) - 55 Gallon Drum

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 $660.00 - Original price $660.00
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Original price $17.00 - Original price $17.00
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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 $17.00 - Original price $17.00
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Current price $17.00
Original price $50.75 - Original price $50.75
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Current price $50.75

Neversink Blend (6-1-7) - 40 lb Bag

Neversink Blend is a custom fertilizer formulated by and for Conor Crickmore of Neversink Farm. Check out Neversink's fantastic workshops as well a...

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Original price $50.75 - Original price $50.75
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Current price $50.75
Original price $78.00 - Original price $78.00
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Current price $78.00

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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$78.00
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Current price $78.00
Original price $40.20 - Original price $40.20
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Current price $40.20

Nature Safe N & K Fertilizer (9-0-9) - 50 lb Bag

This coarse general use fertilizer is derived from feather meal, meat meal, blood meal and sulfate of potash. This product contains 8% slowly avail...

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Original price $40.20 - Original price $40.20
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Current price $40.20
Original price $25.80 - Original price $25.80
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$25.80
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Current price $25.80

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 $25.80 - Original price $25.80
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$25.80
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Current price $25.80