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🚨 Check out our new fertilizer blends! 🚨
🚨 Check out our new fertilizer blends! 🚨

Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
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 - Original price $17.95
Original price $17.95
Current price $9.50
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Current price $9.50

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
Original price $17.95
Current price $9.50
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Current price $9.50
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Original price $102.30 - Original price $102.30
Original price
$102.30
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Current price $102.30

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 $102.30 - Original price $102.30
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Current price $102.30
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Original price $21.00 - Original price $21.00
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$21.00
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Current price $21.00

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 $21.00 - Original price $21.00
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$21.00
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Current price $21.00
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Original price $0.00 - Original price $0.00
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Current price $0.00

Custom Fertilizer Blends

Seven Springs can work with you to custom blend fertilizers that meet a desired analysis or create the blend of your choice using your preferred in...

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Original price $1,436.90 - Original price $1,436.90
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$1,436.90
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Current price $1,436.90

Bone Meal Granulated (2-14-0) - 1 Ton Tote

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 $1,436.90 - Original price $1,436.90
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Original price $1,275.00 - Original price $1,275.00
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Current price $1,275.00

Feather Meal - 1 Ton Tote

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 $1,275.00 - Original price $1,275.00
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Original price $1,789.00 - Original price $1,789.00
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Current price $1,789.00

Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 2200lb Tote

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 $1,789.00 - Original price $1,789.00
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Current price $1,789.00
Original price $85.40 - Original price $85.40
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$85.40
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Seabird Guano (0-11-0) +22% Ca - 44 lb Bag

This Seabird Guano contains high levels of phosphate and exceptional amounts of calcium. It is the ultimate formulation for explosive fruiting and ...

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Original price $85.40 - Original price $85.40
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Original price $68.50 - Original price $68.50
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$68.50
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VRD: Volcanic Rock Dust (Basalt) - 55 lb bag

VRD™: Volcanic Rock Dust™ is found 4 degrees above the equator in an ultra rich, tropical, microclimate in Indonesia and is screened through 200 me...

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Original price $68.50 - Original price $68.50
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Current price $68.50
Original price $38.10 - Original price $38.10
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$38.10
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Current price $38.10

Ferti Nitro Plus Soluble Soy (13.62-0-0) - 5 lb Bag

From Ferti-Organic - A water-soluble powder produced enzymatically, without animal by-products. A nontoxic, non-polluting and vegan plant nutrient....

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Original price $38.10 - Original price $38.10
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Original price $32.90 - Original price $32.90
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Soybean Meal (7-1-2) - 50 lb bag

Vegetable protein (N source) with a relatively high mineralization rate. Also commonly used as a feed ingredient. Not approved for use in certified...

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Original price $32.90 - Original price $32.90
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Original price $14.75
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Current price $8.50
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DTE Crab Meal (4-3-0) - 5 lb

A byproduct of the West Coast crab harvest, Down To Earth’s Crab Meal 4-3-0 is a wonderful source of plant nutrients for vegetable gardens, flower ...

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Original price $14.75
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Current price $8.50
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Original price $22.00
Original price $22.00 - Original price $22.00
Original price $22.00
Current price $12.95
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Current price $12.95

DTE Neem Seed Meal (6-1-2) - 5 lb

Down To Earth’s Neem Seed Meal 6-1-2 is an excellent all natural fertilizer for enriching garden and agricultural soils and encouraging optimum pla...

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Original price $22.00
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Original price $22.00
Current price $12.95
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Original price $22.00
Original price $22.00 - Original price $22.00
Original price $22.00
Current price $13.50
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DTE Solution Grade Langbeinite (0-0-21.5) - 5 lb

Langbeinite (AKA KMag, or SulPoMag) is a mineral that contains potassium (K), magnesium (Mg) and sulfur (S) – three of the essential nutrients that...

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Original price $22.00
Original price $22.00 - Original price $22.00
Original price $22.00
Current price $13.50
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Original price $14.75
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Current price $11.50
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DTE Solution Grade Gypsum - 5 lb

Gypsum is composed of calcium (Ca) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their ma...

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Original price $14.75
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Current price $11.50
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Original price $13.20
Original price $13.20 - Original price $13.20
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Current price $9.25
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Current price $9.25

DTE Cottonseed Meal (6-2-1) - 5 lbs

Down To Earth’s Cottonseed Meal 6-2-1 is traditionally used to feed plants that thrive in lower pH soils, such as berries, flowering shrubs and eve...

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Original price $13.20
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Original price $13.20
Current price $9.25
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Original price $22.00
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Current price $17.50
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Current price $17.50

DTE Fish Meal (8-6-0) - 5 lbs

Down To Earth’s Fish Meal 8-6-0 is recommended for vegetable gardens, flower beds and all types of outdoor plants, trees and shrubs. DTE Fish Meal ...

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Original price $22.00
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Current price $17.50
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Original price $27.50
Original price $27.50 - Original price $27.50
Original price $27.50
Current price $14.95
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Current price $14.95

DTE Seabird Guano (0-11-0) - 5 lb

Use Down To Earth’s high-phosphorus Seabird 0-11-0 guano throughout the flowering period for all indoor and outdoor plants. Strawberries, melons, v...

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Original price $27.50
Original price $27.50 - Original price $27.50
Original price $27.50
Current price $14.95
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Original price $53.80 - Original price $53.80
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$53.80
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Genesys N-Force (8-0-0) - 2.5 Gallon

N-Force is a liquid, plant based amino acid fertilizer that is approved for use in Organic Crop Production by CDFA and meets USDA National Organic ...

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Original price $53.80 - Original price $53.80
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Original price $18.50 - Original price $18.50
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Oyster Shell Coarse - 50 lb Bag

Obtain optimum eggshell quality with Coastal Brand Poultry Shell. This special blend features calcium carbonate to help grow healthy eggshells and ...

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Original price $18.50 - Original price $18.50
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Original price $32.90 - Original price $32.90
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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
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Original price $24.10
Original price $24.10 - Original price $24.10
Original price $24.10
Current price $20.95
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Current price $20.95

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 $24.10
Original price $24.10 - Original price $24.10
Original price $24.10
Current price $20.95
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Original price $67.90 - Original price $67.90
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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
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Current price $67.90
Original price $15.70 - Original price $15.70
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$15.70
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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
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Original price $194.20 - Original price $194.20
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$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
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Current price $194.20
Original price $1,320.00 - Original price $1,320.00
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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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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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Original price $10.10 - Original price $10.10
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$10.10
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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
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$10.10
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Current price $10.10
Original price $1,875.00 - Original price $1,875.00
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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
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Current price $1,875.00
Original price $385.00 - Original price $385.00
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$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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Current price $385.00
Original price $30.40 - Original price $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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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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Current price $128.80
Original price $91.70 - Original price $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
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$91.70
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Current price $91.70
Original price $298.20 - Original price $298.20
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$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
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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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$26.70
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Current price $26.70