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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 $105.60 - Original price $105.60
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    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 $105.60 - Original price $105.60
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    Original price $27.90 - Original price $27.90
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    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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    Original price $40.50 - Original price $40.50
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    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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    Original price $18.30 - Original price $18.30
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    $18.30
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    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 $18.30 - Original price $18.30
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    Original price $38.20 - Original price $38.20
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    Current price $38.20

    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 $38.20 - Original price $38.20
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    Original price $27.60 - Original price $27.60
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    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 $27.60 - Original price $27.60
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    Original price $92.90 - Original price $92.90
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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 $92.90 - Original price $92.90
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    Original price $66.00 - Original price $66.00
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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 $66.00 - Original price $66.00
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    Original price $36.70 - Original price $36.70
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    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 $36.70 - Original price $36.70
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    Original price $35.00 - Original price $35.00
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    Nature Safe Fertilizer (8-5-5) - 50 lb Bag

    Pelleted (SGN 5/32”x 1/4” - 1/2”) general use fertilizer derived from meat and bone meal, feather meal, blood meal, and sulfate of potash. The 1.2%...

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    Original price $35.00 - Original price $35.00
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    Original price $28.40 - Original price $28.40
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    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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    Original price $28.40 - Original price $28.40
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    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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    Original price $38.20 - Original price $38.20
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    Nature Safe Organic Nitrogen Fertilizer (13-0-0) - 50 lb Bag

    This high nitrogen fertilizer is derived from feather meal, meat meal, and blood meal. It contains 0.96% plant available nitrogen for green up in 7...

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    Original price $38.20 - Original price $38.20
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    Original price $42.95 - Original price $42.95
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    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 $42.95 - Original price $42.95
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    Original price $317.80 - Original price $317.80
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    AgSil 16H Potassium Silicate Powder 52% SiO2 (0-0-32) 50 lb Bag

     AgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...

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    Original price $317.80 - Original price $317.80
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    Original price $58.20 - Original price $58.20
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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 $58.20 - Original price $58.20
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    Original price $52.30 - Original price $52.30
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    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 $52.30 - Original price $52.30
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    Original price $27.60 - Original price $27.60
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    Worm Castings Mountain Gate Organics - 1 cu ft Bag

    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 $27.60 - Original price $27.60
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    Original price $35.80 - Original price $35.80
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    Fertoz Organic Granulated Rock Phosphate Fertilizer 0-7-0 - 50 lbs

    Fertoz Organic Phosphorus replacing Calphos with this 2X concentrated granulated phosphate fertilizer. Total Phosphorus: 20% (available phosphorus:...

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    Original price $35.80 - Original price $35.80
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    Original price $53.60 - Original price $53.60
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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 $53.60 - Original price $53.60
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    Original price $30.40 - Original price $30.40
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    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 $30.40 - Original price $30.40
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    Original price $37.10 - Original price $37.10
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    Ferti Fulvic Plus (90% Fulvic Acid) - 5 lb Bag

    Derived from plants with a 90% (min.) content of organic fulvic acid. Its chelating effect, physiological and biological activity give the plant m...

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    Original price $37.10 - Original price $37.10
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    Original price $43.00 - Original price $43.00
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    Kmag or SulPoMag Granular (0-0-22+22S+11Mg) - 50 lb Bag

    Intrepid Trio brand Kmag or SulPoMag is 100% natural Langbeinite, a long-lasting, readily available source of low-chloride potassium (22%), magnesi...

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    Original price $43.00 - Original price $43.00
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    Original price $36.50 - Original price $36.50
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    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 $36.50 - Original price $36.50
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