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Soil Amendments

Mixed and single-source macro and micro-nutrients.

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  • Original price $71.49 - Original price $71.49
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    Thorvin Kelp - 50 lb Bag

    This is the best kelp on the market and it is certified organically grown. This Icelandic kelp is processed in a state of the art plant that is bui...

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    Original price $71.49 - Original price $71.49
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  • Original price $27.50 - Original price $27.50
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    Elemental Sulfur 90% - 50 lb Bag

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

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    Original price $27.50 - Original price $27.50
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  • Original price $39.00 - Original price $39.00
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    Bone Meal Steamed Granular (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 $39.00 - Original price $39.00
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  • Original price $16.25 - Original price $16.25
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    Harmony Ag Organic Fertilizer (5-4-3) 9% Calcium - 40 lb

    Harmony Ag Organic Fertilizer w/ 9% Calcium (5-4-3) - Made from 100% all natural composted poultry layer manure. All-purpose for vegetables, fruits...

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    Original price $16.25 - Original price $16.25
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  • Original price $43.00 - Original price $43.00
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    Feather Meal (13-0-0) - 50 lb Bag

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

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    Original price $43.00 - Original price $43.00
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  • Original price $26.75 - Original price $26.75
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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 Mg & S fertilizer. Can be used for a foliar application. Can be m...

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    Original price $26.75 - Original price $26.75
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  • Original price $59.95 - Original price $59.95
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    Nature's Kelp from Thorvin 50 lb

     Nature’s Kelp from Thorvin is a certified organic Ascophyllum Nodosum dried kelp that is a rich source of natural minerals which has been used wor...

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    Original price $59.95 - Original price $59.95
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  • Original price $65.00 - Original price $65.00
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    Blood Meal (12-0-0) - 50 lb Bag

    Blood Meal (12-0-0) - 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 $65.00 - Original price $65.00
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  • Original price $31.50 - Original price $31.50
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    Alfalfa Meal Organically Grown for Plants or Animals (3-2-2) - 50 lb Bag

    As a fertilizer it has an analysis of (3-2-2 + minerals) and is a balanced fertilizer loaded with micro nutrients. The alfalfa plant has a deep roo...

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    Original price $31.50 - Original price $31.50
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  • Original price $34.00 - Original price $34.00
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    Nature Safe Fertilizer (8-5-5) - 50 lb Bag

    Pelleted general use fertilizer derived from meat and bone meal, feather meal, blood meal, and sulfate of potash. The 1.2% of water soluble N will ...

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    Original price $34.00 - Original price $34.00
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  • Original price $28.00 - Original price $28.00
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    Azomite Micronized Powder - 44 lb Bag

    This naturally mined, volcanic mineral has over 66 minerals and trace elements that are important for plant nutrition and growth. It improves deple...

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    Original price $28.00 - Original price $28.00
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  • Original price $28.00 - Original price $28.00
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    Azomite Granular - 44 lb Bag

    This naturally mined, volcanic mineral has over 66 minerals and trace elements that are important for plant nutrition and growth. It improves deple...

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    Original price $28.00 - Original price $28.00
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  • Original price $37.00 - Original price $37.00
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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 12.04% slowly available water insoluble nitrogen ...

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    Original price $37.00 - Original price $37.00
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  • Original price $46.00 - Original price $46.00
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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 $46.00 - Original price $46.00
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  • Original price $262.00 - Original price $262.00
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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 $262.00 - Original price $262.00
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  • Original price $56.50 - Original price $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%) This is a soluble SOP for crop production. It is best to apply according to ...

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    Original price $56.50 - Original price $56.50
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  • Original price $60.00 - Original price $60.00
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    Neversink Blend - 50 lb Bag

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

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    Original price $60.00 - Original price $60.00
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  • Original price $17.75 - Original price $17.75
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    Worm Castings Mountain Gate Organics - 25 lb 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 ...

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    Original price $17.75 - Original price $17.75
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  • Original price $33.00 - Original price $33.00
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    Fertoz Organic Granulated Rock Phosphate Fertilizer 0-20-0 - 50 lbs

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

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    Original price $33.00 - Original price $33.00
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  • Original price $51.00 - Original price $51.00
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    ALLGANIC Nitrogen Plus (15-0-2) 50 lb Bag

    Allganic® Nitrogen Plus is SQM's newest formulation and no longer Haz Mat. This micro pelletized natural sodium nitrate from Chile, contains 15% Ni...

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    Original price $51.00 - Original price $51.00
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  • Original price $28.69 - Original price $28.69
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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 made from natural crystals produced ...

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    Original price $28.69 - Original price $28.69
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  • Original price $35.00 - Original price $35.00
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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 $35.00 - Original price $35.00
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  • Original price $40.50 - Original price $40.50
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    Kmag or SulPoMag Granular (0-0-22+21S+11Mg) - 50 lb Bag

    Intrepid Trio brand is 100% natural Langbeinite, a unique mineral with three essential nutrients in every granule. Trio provides a long-lasting, re...

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    Original price $40.50 - Original price $40.50
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  • Original price $35.00 - Original price $35.00
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    Iron Sulfate Powder 20% - 50 lb Bag

    Essential Iron 20%. Ferrous (Iron) Sulfate Heptahydrate. A soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysi...

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    Original price $35.00 - Original price $35.00
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Shipping Notice

Looks like your order might be big enough to ship on a pallet!

We have great pallet rates with our partner carriers and, if you're east of the Mississippi, you likely qualify for flat rates up to 2400 lbs. We can ship any size order but for orders of 5000 lbs and up (or if the website is only quoting UPS rates) you'll want to call us 800-540-9181 for the best shipping rate. Thank you!