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Micronutrients

A full range of mineral micronutrient sources for pre-plant and top/side dress micronutrient needs. Micronutrients are critical for key plant functions including nitrogen fixation, protein synthesis, photosynthesis and other metabolic processes.

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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 $27.90 - 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.  Our elemental sulfur will have a light green color. Excellent for Blueb...

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  • Original price $60.85 - Original price $60.85
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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 $60.85 - Original price $60.85
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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 $33.95 - Original price $33.95
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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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    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 $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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    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 $35.50 - Original price $35.50
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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 $29.10 - Original price $29.10
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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 $41.10 - Original price $41.10
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    Kmag or SulPoMag Granular (0-0-22+21S+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 $41.10 - Original price $41.10
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  • Original price $49.70 - Original price $49.70
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    Humic DG - 40 lb Bag

    The Andersons brand Humic DG is an easy flow micro-pelletized humic acid (70%). Humic DG is a mix of humic acid percursor, fulvic acid, humic acid,...

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  • Original price $126.90 - Original price $126.90
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    Copper Sulfate Powder - 50 lb Bag

    Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

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  • Original price $86.30 - Original price $86.30
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    Zinc Sulfate Powder, Ag & Livestock- 50 lb Bag

    Zinc sulfate monohydrate powder, Guaranteed Analysis: Zinc(Zn) 35.5%, Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powder can be app...

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    Original price $86.30 - Original price $86.30
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  • Original price $12.20 - Original price $12.20
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    Copper Sulfate Powder - 1 lb

    Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

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    Original price $9.50 - Original price $9.50
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    Elemental Sulfur 90% - 5 lb Bag

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

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  • Original price $13.70 - Original price $13.70
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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 $12.20 - Original price $12.20
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    Manganese Sulfate Powder 31.5% - 1 lb Bag

    Manganese Sulfate with 18% sulfur., For soils deficient in Manganese (Mn), apply this fast-acting source of 32% Mn to the soil. Can be broadcast, s...

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    Zinc Sulfate Powder, Ag & Livestock, 1 lb Bag

    Zinc sulfate monohydrate powder, Guaranteed Analysis: Zinc(Zn) 35.5%, Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powder can be app...

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  • Original price $29.19 - Original price $29.19
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    Sea-90 Foliar Mineralizer - 50 lb Bag

    Sea-90 Foliar Mineralizer now includes 0.1% K2O, 1% Ca, and 0.5% Mg. Sea-90 is made from natural crystals produced by solar dehydrating H2O from se...

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    Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz

    Kelp is high in minerals that increase health and vigor of plants. Maxicrop is used as a supplement to your fertilizer program. It will benefit you...

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    Original price $15.00 - Original price $15.00
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  • Original price $98.45 - Original price $98.45
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    Solubor 20.5% Boron (Sodium Borate) - 50 lb Bag

    Solubor® is manufactured to combine the highest concentration of boron with the maximum possible dispersion and solubility in water. As such, it ha...

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    Original price $98.45 - Original price $98.45
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  • Original price $29.95 - Original price $29.95
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    20.5% Boron (Sodium Borate) - 5 lb Bag

    Soluble, concentrated Sodium Borate (Boric Acid) for foliar or drip applications. 20.5% B. 5 lbs contains 1.25 lbs of B. Apply according to soil o...

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  • Original price $24.35 - Original price $24.35
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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 $24.35 - Original price $24.35
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  • Original price $25.40 - Original price $25.40
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    Biomin® Liquid Calcium 5% - 1 Gallon

    Biomin Liquid Calcium is an amino acid chelated fertilizer containing 5% calcium derived from calcium carbonate (limestone). It is completely bioav...

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  • Original price $26.40 - Original price $26.40
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    Biomin® Booster 126 Amino Acid Chelated Minerals - Gallon

    A liquid fertilizer of magnesium and micronutrients: boron, copper, iron, manganese, and zinc, chelated with amino acids, including glycine. The ch...

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    Greensand by Agrolift (0-0-1.4) - 50 lb Bag

    Read about alternatives to greensand in our blog.Greensand contains minerals and trace elements that improves the chemical, physical and biological...

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    Biomin® Liquid Copper (1-0-0-4%CU)- Gallon

    Biomin Liquid Copper is an amino acid chelated copper for preventing and correcting copper deficiences. It is completely bioavailable and can be ap...

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    Biomin® Liquid Iron 5% - Gallon

    Biomin® Iron 5% is an amino acid complexed iron liquid fertilizer for soil and foliar application. Use it to correct and prevent iron deficiencies....

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  • Original price $35.50 - Original price $35.50
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    Boron 10% Granular - 50 lb Bag

    Boron 10 % Cameron Chemicals Brand is pelletized and is derived from ulexite (sodium calcium borate). Use it as part of a fertility plan, broadcast...

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    Original price $35.50 - Original price $35.50
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  • Original price $29.50 - Original price $29.50
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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 $100.50 - Original price $100.50
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    Manganese Sulfate Powder 32% (For Feed or Fertilizer) - 50 lb Bag

    Manganese Sulfate with 18% sulfur., For soils deficient in Manganese (Mn), apply this fast-acting source of 32% Mn to the soil. Can be broadcast, s...

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  • Original price $75.10 - Original price $75.10
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    SEA-CROP® Ocean Mineral Concentrate - 2.5 Gallon

    Mineralize your crops with an inexpensive concentrated seawater! SEA-CROP® is composed of organic matter and minerals in ionic liquid form derived ...

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  • Original price $25.40 - Original price $25.40
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    Biomin® Liquid Boron (1-0-0+3%B) - Gallon

    Biomin® Boron is derived from Sodium Tetraborate and hydrolyzed vegetable protein. It can be used for soil and/or foliar application. It is complet...

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    Biomin® Liquid Manganese (1-0-0-5%Mn) - 1 Gallon

    Biomin® Manganese Amino Acid Chelated Minerals is a chelated manganese that is completely bioavailable and can be applied as a soil and/or foliar a...

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  • Original price $83.20 - Original price $83.20
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    BioLink® Cal Plus Liquid 6% - 2.5 Gallon

    BioLink Cal Plus Liquid 6% is a liquid calcium fertilizer complexed with an organic acid, making it immediately available to plants. Use as a folia...

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  • Original price $25.40 - Original price $25.40
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    Biomin® Liquid Zinc (1-0-0-7%Zn) - 1 Gallon

    Biomin® Zinc is an amino acid chelated zinc liquid fertilizer for soil and foliar application. It is completely bio-available and is used to preven...

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  • Original price $21.30 - Original price $21.30
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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 $21.30 - Original price $21.30
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  • Original price $10.15 - Original price $10.15
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    Iron Sulfate Powder 20% - 1 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 $292.00 - Original price $292.00
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    Maxicrop Soluble Seaweed Powder (0-0-17) - 22 lb

    Kelp is high in minerals that increase health and vigor of plants. Maxicrop is used as a supplement to your fertilizer program. It will benefit you...

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    Maxicrop Soluble Seaweed Powder (0-0-17) - 44 lbs

    Kelp is high in minerals that increase health and vigor of plants. Maxicrop is used as a supplement to your fertilizer program. It will benefit you...

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    Redmond Agriculture Conditioner - 50 lb Bag

    A mineral from montmorillonite (hydrated sodium calcium aluminosilicate). It is used as a livestock feed additive to help them utilize their feed a...

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    Terra Alba Gypsum - Soluble Powder - 50 lb bag

    Extremely pure, solution-grade Calcium Sulfate. Apply according to soil test recommendations. SDS Spec Sheet

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    Manganese Oxide 15% Granular - 50 lb Bag

    Regular Grade – 260 SGN Prill size. 65% S & 15% Mn. Apply according to your soil test results. Organic Letter  

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    DTE Azomite Micronized (0-0-0.2) - 5 lb Box

    Down To Earth’s AZOMITE is a natural mineral product mined in central Utah. This unique deposit was formed when an ancient volcano erupted and its ...

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    Zinc Oxide 18% Granular - 50 lb Bag

    Regular Grade – 260 SGN Prill size. 65% S & 18% Zn. Apply according to your soil test results.   Organic Letter 

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

    Regular Grade – 260 SGN Prill size. 55% S & 22% Fe. Apply according to your soil test results. Spec Sheet Product Brochure OMRI S...

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

    Regular grade – 260 SGN Prill size. 72% S & 12% Cu.  Apply according to your soil test results.  Label OMRI SDS Spec Sheet R...

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    Original price $85.00 - Original price $85.00
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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!