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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 $9.10
    Original price $9.10 - Original price $9.10
    Original price $9.10
    Current price $7.50
    $7.50 - $7.50
    Current price $7.50

    DTE Oyster Shell - 5 lb

    Down To Earth’s Oyster Shell is an all-natural and high-quality source of the essential plant nutrient calcium. Ancient oyster shells are carefully...

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    Original price $9.10
    Original price $9.10 - Original price $9.10
    Original price $9.10
    Current price $7.50
    $7.50 - $7.50
    Current price $7.50
    Sale Sale
    Original price $32.90 - Original price $32.90
    Original price
    $32.90
    $32.90 - $32.90
    Current price $32.90

    Biomin N (5-0-0) - 2.5 Gallon

    BIOMIN N is a natural, non-fish, and organic nitrogen fertilizer derived from hydrolyzed vegetable protein. It is water soluble and designed for so...

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    Original price $32.90 - Original price $32.90
    Original price
    $32.90
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    Current price $32.90
    Original price $65.90 - Original price $65.90
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    $65.90
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    Current price $65.90

    Neptune's Harvest Liquid Crab & Lobster Shell (2-0-2) - 1 Gallon

    Beginning with our world-famous dried Crab and Lobster Shell, we grind everything down to a super-fine powder (through a process called micronizati...

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    Original price $65.90 - Original price $65.90
    Original price
    $65.90
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    Current price $65.90
    Original price $23.40 - Original price $23.40
    Original price $23.40
    $24.10
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    Current price $24.10

    Neptune's Harvest Tomato & Veg (2-4-2) - 1 Quart

    Introducing Neptune’s Harvest “Tomato & Veg” formula. This is a perfect complete fertilizer for your tomatoes, vegetables and more. Made from f...

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    Original price $23.40 - Original price $23.40
    Original price $23.40
    $24.10
    $24.10 - $24.10
    Current price $24.10
    Sold out
    Original price $67.90 - Original price $67.90
    Original price
    $67.90
    $67.90 - $67.90
    Current price $67.90

    Neptune's Harvest Tomato & Veg (2-4-2) - 1 Gallon

    Introducing Neptune’s Harvest “Tomato & Veg” formula. This is a perfect complete fertilizer for your tomatoes, vegetables and more. Made from f...

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    Original price $67.90 - Original price $67.90
    Original price
    $67.90
    $67.90 - $67.90
    Current price $67.90
    Original price $23.40 - Original price $23.40
    Original price $23.40
    $24.10
    $24.10 - $24.10
    Current price $24.10

    Neptune's Harvest Rose & Flowering (2-6-4) - 1 Quart

    Introducing Neptune’s Harvest "Rose & Flowering” formula. Rose & Flowering fertilizer is uniquely formulated for flowering plants to increa...

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    Original price $23.40 - Original price $23.40
    Original price $23.40
    $24.10
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    Current price $24.10
    Original price $67.90 - Original price $67.90
    Original price
    $67.90
    $67.90 - $67.90
    Current price $67.90

    Neptune's Harvest Rose & Flowering (2-6-4) - 1 Gallon

    Introducing Neptune’s Harvest "Rose & Flowering” formula. Rose & Flowering fertilizer is uniquely formulated for flowering plants to increa...

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    Original price $67.90 - Original price $67.90
    Original price
    $67.90
    $67.90 - $67.90
    Current price $67.90
    Original price $15.70 - Original price $15.70
    Original price
    $15.70
    $15.70 - $15.70
    Current price $15.70

    Biomin N (5-0-0) - 1 Gallon

    BIOMIN N is a natural, non-fish, and organic nitrogen fertilizer derived from hydrolyzed vegetable protein. It is water soluble and designed for so...

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    Original price $15.70 - Original price $15.70
    Original price
    $15.70
    $15.70 - $15.70
    Current price $15.70
    Original price $194.20 - Original price $194.20
    Original price
    $194.20
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    Current price $194.20

    Mikrobs Microbial Superpack - 5 lb Pail

    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 $194.20 - Original price $194.20
    Original price
    $194.20
    $194.20 - $194.20
    Current price $194.20
    Sold out
    Original price $1,320.00 - Original price $1,320.00
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    Call for pricing
    $1,320.00 - $1,320.00
    Current price $1,320.00

    Nature Safe Organic Nitrogen Fertilizer (13-0-0) - 1 Ton Tote

    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 $1,320.00 - Original price $1,320.00
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    Call for pricing
    $1,320.00 - $1,320.00
    Current price $1,320.00
    Original price $315.50 - Original price $315.50
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    $315.50
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    Current price $315.50

    Mikro-Myco - 5 lb Pail

    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 $315.50 - Original price $315.50
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    Current price $315.50
    Original price $10.10 - Original price $10.10
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    $10.10
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    Current price $10.10

    Worm Castings Mountain Gate Organics - 5 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 t...

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    Original price $10.10 - Original price $10.10
    Original price
    $10.10
    $10.10 - $10.10
    Current price $10.10
    Original price $1,875.00 - Original price $1,875.00
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    Call for pricing
    $1,875.00 - $1,875.00
    Current price $1,875.00

    Blood Meal (13-0-0) - 1 Ton Tote

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

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    Original price $1,875.00 - Original price $1,875.00
    Original price
    Call for pricing
    $1,875.00 - $1,875.00
    Current price $1,875.00
    Original price $385.00 - Original price $385.00
    Original price
    $385.00
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    Current price $385.00

    Nature's Supreme Granulated All-Purpose Fertilizer (4-3-2) - 2000 lb Tote

    Nature's Supreme has an analysis of 4-3-2 with 7% calcium. It's a crumble made of heat-treated and dehydrated poultry manure and is easy to broadca...

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    Original price $385.00 - Original price $385.00
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    $385.00
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    Current price $385.00
    Original price $39.00 - Original price $39.00
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    $39.00
    $39.00 - $39.00
    Current price $39.00

    Agro Lig Granular Humic Acids - 50 lb Bag

    Agro-Lig is a granular humic acid (65%) from leonardite used to improve soil. It is very effective in soils with low fertility, low organic matter,...

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    Original price $39.00 - Original price $39.00
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    $39.00
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    Current price $39.00
    Original price $13.10 - Original price $13.10
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    $13.10
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    Current price $13.10

    Diamond K Premium 97 Solution Grade Gypsum - 50 lb Bag

    An extremely pure, solution-grade calcium sulfate. Diamond K Premium 97 gypsum improves soil structure, crop quality and yields when used according...

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    Original price $13.10 - Original price $13.10
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    $13.10
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    Current price $13.10
    Original price $45.30 - Original price $45.30
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    $45.30
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    Current price $45.30

    Diamond K Solution Grade Ultra Fines SOP (0-0-50) - 50 lb Bag

    Diamond K Ultra Fines Sulfate of Potash is a high-purity, finely ground (minus 325 mesh) soluble potassium sulfate designed to be applied in soluti...

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    Original price $45.30 - Original price $45.30
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    Current price $45.30
    Original price $30.40 - Original price $30.40
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    $30.40
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    Current price $30.40

    Urea (46-0-0) - 50 lb Bag

    46% granular nitrogen. Requires mineralization, unlike nitrate. Provides a continuous, long-lasting supply of nitrogen. Highly soluble. Not approve...

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    Original price $30.40 - Original price $30.40
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    $30.40
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    Current price $30.40
    Original price $128.80 - Original price $128.80
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    $128.80
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    Current price $128.80

    Blacksmith BioScience MegaPhos SP Phosphorus Solubilizing Microbe - 1 lb Bag

    Bacillus megaterium strain HM87 is a unique bacteria that aids in the conversion of soil phosphorus into a plant-available form. Labeled for use wi...

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    Original price $128.80 - Original price $128.80
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    $128.80
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    Current price $128.80
    Original price $91.70 - Original price $91.70
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    $91.70
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    Current price $91.70

    Blacksmith BioScience Nitryx SP Nitrogen Fixing Bacteria - 1 lb Bag

    Paenibacillus polymyxa P2b-2R is a unique bacteria that fixes nitrogen from the atmosphere to increase the amount of plant-available N in the soil....

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    Original price $91.70 - Original price $91.70
    Original price
    $91.70
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    Current price $91.70
    Original price $89.00 - Original price $89.00
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    $89.00
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    Current price $89.00

    Nature Safe (15-0-1) Hi-Sol Nitrogen Dry Flowable Powder - 50 lb Bag

    Dry-flowable, fully soluble porcine blood meal, intended to be mixed with water and applied through irrigation or in foliar sprays. Ideal for suppl...

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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
    Original price $298.20 - Original price $298.20
    Original price
    $298.20
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    Current price $298.20

    Grower's Secret Seaweed Powder Soluble (0-0-16) - 50 lb Bag

    High-quality soluble seaweed (Ascophyllum nodosum) for use in foliar sprays or irrigation water. Improves crop quality by promoting chlorophyll co...

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    Original price $298.20 - Original price $298.20
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    Current price $298.20
    Original price $26.70 - Original price $26.70
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    $26.70
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    Current price $26.70

    Air-N - 8 fl oz

    True nitrogen-fixing microbes! Converts nitrogen from the air to readily-available nitrogen for plants. Utilizes both free-living and symbiotic N-f...

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    Original price $26.70 - Original price $26.70
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    Current price $26.70
    Original price $18.50 - Original price $18.50
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    $18.50
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    Current price $18.50

    Yaarn (4-0-9) - 1 L

    An innovative combination of hydrolyzed proteins, peptides and amino acids, derived from sheep wool. The diverse range of actions in Yaarn help enh...

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    Original price $18.50 - Original price $18.50
    Original price
    $18.50
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    Current price $18.50