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Your #1 Source for Organic & Biological Farm Supplies
Your #1 Source for Organic & Biological Farm Supplies

Fertility

A collection of the very best natural and biologically-based fertility sources available.

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    Sea Agri Solutions

    SeaAgri  is inspired by the research of Maynard Murray MD, Weston Price DDS, William Albrecht PhD, Arden Anderson MD, Jerry Burnetti, author and...

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  • Original price $23.25 - Original price $23.25
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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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    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 $63.00 - Original price $63.00
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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 $63.00 - Original price $63.00
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  • Original price $23.00 - Original price $23.00
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    Elemental Sulfur 90% - 50 lb Bag

    Elemental Sulfur90% - Pelletized sulfur is useful in lowering pH without potential aluminum sulfate toxicity.  Our elemental sulfur will have a lig...

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    Original price $19.50 - Original price $19.50
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    Magnesium Sulfate Epsom Salt - Technical Grade - 50 lb Bag

    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 $36.00 - Original price $36.00
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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 $36.00 - Original price $36.00
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    Boron 10% Granular - 10 lb Bag

    Boron 10 % Cameron Chemicals Brand - Pelletized and derived from Sodium Calcium Borate, Non-Acid forming, Product of Chile. Side dress plants or b...

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  • Original price $28.00 - Original price $28.00
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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 $41.50 - Original price $41.50
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    Endomycorrhizal Inoculant (BEI) Micronized Powder - 1.5 lb

    From BioOrganics this product contains a blend of eight top types of Endospores - Glomus aggregatum, G. clarum, G. deserticola, G. intraradices, G....

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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 $31.00 - Original price $31.00
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    Neptune's Harvest Liquid Fish Fertilizer (2-4-1) - 1 Gallon

    This hydrolyzed fish emulsion comes from the nutrient rich North Atlantic Ocean. Made from fresh fish remains. It is made by a unique cold process ...

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    Brown's Fish Fertilizer (2-3-1) - 5 Gallons

    Produced in Western North Carolina. This product is made from fresh water trout. Brown's is a fish hydrolysate and is produced using a cold process...

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    Original price $62.00 - Original price $62.00
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    Elemental Sulfur 90% - 10 lb Bag

    Elemental Sulfur90% - Pelletized sulfur is useful in lowering pH without potential aluminum sulfate toxicity.  Our elemental sulfur will have a lig...

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  • Original price $73.00 - Original price $73.00
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    BioLink® Cal Plus Liquid 6% - 2.5 Gallon

    From ORGANIC BIOLINK® this liquid Calcium is complexed with naturally fermented organic acids and is immediately available to plants. Calcium is es...

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  • Original price $22.50 - Original price $22.50
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    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. What is in Harmony a...

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    Actosol Organic Biostimulant - 2.5 Gallon

    An organic biostimulant activator which improves stress tolerance and water retention, enhances chelating of plant nutrients and stimulates root ma...

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  • Original price $30.75 - Original price $30.75
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    Boron 10% Granular - 50 lb Bag

    Boron 10 % Cameron Chemicals Brand - Pelletized and derived from Sodium Calcium Borate, Non-Acid forming, Product of Chile. Side dress plants or b...

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    Original price $30.75 - Original price $30.75
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    Hi-Cal Lime Powder - 50 lb Bag

    This is a pulverized powder (calcium carbonate) - This high quality 100% pulverized limestone is high in calcium and very low in magnesium content....

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  • Original price $43.00 - Original price $43.00
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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 $43.00 - Original price $43.00
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    Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 10 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 $18.00 - Original price $18.00
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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. Biological activity speeds release in compost or in...

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  • Original price $85.00 - Original price $85.00
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    Copper Oxide 12% Granular - 50 lb Bag

    This Tiger brand micronutrient is the regular grade – 260 SGN Prill size. 72% S & 12% Cu. Derived from Copper Oxide Apply according to your so...

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  • Original price $11.25 - Original price $11.25
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    Azomite Granular - 10 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 $11.25 - Original price $11.25
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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 $59.00 - Original price $59.00
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  • Original price $18.50 - Original price $18.50
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    Brown's Fish Fertilizer (2-3-1) - 1 Gallon

    Produced in Western North Carolina. This product is made from fresh water trout. Brown's is a fish hydrolysate and is produced using a cold process...

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    Original price $18.50 - Original price $18.50
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  • Original price $17.00 - Original price $17.00
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    Pfeiffer Bio-Dynamic (BD) Compost Starter - 1 oz Pk

    This Pfeiffer BD Compost Starter treats up to 1 ton of compost - Made from selected strains of beneficial bacteria, fungi and actinomycetes, biodyn...

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    Original price $17.00 - Original price $17.00
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    Zinc Oxide 18% Granular - 50 lb Bag

    Tiger Micronutrient brand, this Zinc is the Regular Grade – 260 SGN Prill size. 65% S & 18% Zn. Derived from Zinc Oxide.  Apply according to yo...

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    Original price $50.50 - Original price $50.50
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  • Original price $31.50 - Original price $31.50
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    Iron Oxide 22% Granular - 50 lb Bag

    This Tiger Sul brand micronutrient product is the Regular Grade – 260 SGN Prill size. 55% S & 22% Fe, derived from Iron Oxide.  Apply according...

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    Original price $31.50 - Original price $31.50
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  • Gypsum Ida-Gro Pelletized Metric Ton

    Calcium sulfate improves the structure of heavy clay soils. An excellent source of calcium containing 32% calcium oxide. No effect on soil pH. Cont...

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  • Original price $9.50 - Original price $9.50
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    Hi-Cal Lime Pro Pelletized Pro Select Prills - 50 lb Bag

    Hi-Cal Lime Pelletized 50 lb (calcium carbonate) - This OMRI Listed Pelletized(SGN 250 prill) limestone is high in calcium and low in magnesium con...

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    Original price $9.50 - Original price $9.50
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  • Original price $7.60 - Original price $7.60
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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, that is composted in Maine, comes...

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    Original price $7.60 - Original price $7.60
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  • Original price $34.00 - Original price $34.00
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    Pfeiffer Bio-Dynamic (BD) Field Spray - 2 oz Pk

    This 2 oz Pfeiffer BD Field Spray treats 1 acre - Aids humus formation in organic materials which are already in the topsoil or will be turned unde...

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    Original price $34.00 - Original price $34.00
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  • Original price $39.50 - Original price $39.50
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    Manganese Oxide 15% Granular - 50 lb Bag

    Tiger Micronutrient brand, this manganese is the Regular Grade – 260 SGN Prill size. 65% S & 15% Mn. Derived from Manganese Oxide.  Apply accor...

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    Original price $39.50 - Original price $39.50
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  • Original price $12.50 - Original price $12.50
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    Aragonite Raw (0-0-0-Ca 38%) - 50 lb Bag

    Aragonite Raw (0-0-0-97 Ca) - A sea calcium that is high in calcium and low in magnesium. 97% calcium carbonate and calcium silicate combined; 33%m...

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    Original price $12.50 - Original price $12.50
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  • Original price $35.00 - Original price $35.00
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    Cottonseed Meal (6-2-1) - 50 lb Bag

    Use for acid-loving plants like blueberries and azaleas because of its low pH. Note for an organic acid loving fertilizer: We also recommend using ...

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    Original price $35.00 - Original price $35.00
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  • Original price $880.00 - Original price $880.00
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    Worm Castings Mountain Gate Organics - 1 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 ...

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    Original price $880.00 - Original price $880.00
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    Original price $48.50 - Original price $48.50
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    CrabLife Powder 3-3-0 +19% Ca - 20 lb Bag

    By providing existing soil microbes with food and energy, CrabLife™ naturally and safely improves soil health by enhancing the beneficial microbial...

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    Original price $48.50 - Original price $48.50
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  • Original price $21.00 - Original price $21.00
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    Thorvin Kelp Minerals for Animals OG - 3 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 $21.00 - Original price $21.00
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  • Original price $162.00 - Original price $162.00
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    Grower’s Secret Nitrogen (14-0-0)- 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 $162.00 - Original price $162.00
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  • Original price $69.00 - Original price $69.00
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    Nature Safe 7-7-7 Soluble Powder - 50 lb Bag

    NatureSafe Triple 7 (7-7-7) Dry Flowable is a fully soluble general purpose fertilizer from corn steep liquor.  The 6.5% water soluble nitrogen pro...

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    Original price $69.00 - Original price $69.00
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    Original price $15.00 - Original price $15.00
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    Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb Bag

    Wollastonite is a natural calcium silicate mineral and is unique among soil amendments as a source of silicon and carbon-neutral calcium. VANSIL wo...

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    Original price $15.00 - Original price $15.00
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  • Original price $55.00 - Original price $55.00
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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 $55.00 - Original price $55.00
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  • Original price $305.00 - Original price $305.00
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    NaturePure 4-4-2-9%Ca - General Purpose Fertilizer 1 Ton Tote

    Nature Pure 4-4-2 + 9% Ca is a uniquely composted, nutrient-rich poultry manure.  Nature Pure provides organic matter and cultivates a balance of b...

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    Original price $305.00 - Original price $305.00
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  • Original price $14.00 - Original price $14.00
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    Herbruck's Fertilizer Pelletized (4-3-2+7%Ca) - 50 lb Bag

    Herbruck’s 4-3-2 + 7% Ca is an organic, nutrient-rich, pelleted, heat-treated poultry manure. This general purpose fertilizer stimulates soil biolo...

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    Original price $14.00 - Original price $14.00
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  • Original price $25.00 - Original price $25.00
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    Zeolite Soil Amendment - 50 lb Bag

    Zeolite has superior absorption and adsorption properties and thereby reduces water and fertilizer costs by retaining beneficial nutrients and mois...

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    Original price $25.00 - Original price $25.00
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  • Original price $9.50 - Original price $9.50
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    Dolomitic Lime Pro-Select Prill - 50 lb Bag

    Dolomitic Lime Pelletized (50 lb) - This OMRI listed pelletized limestone is high in Calcium (Ca) and Magnesium (Mg). Superior to calcitic lime whe...

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    Original price $9.50 - Original price $9.50
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    Kenkashi Bokashi - 2.5 Liter Bag

    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 $18.00 - Original price $18.00
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