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

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 $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 $23.00 - Original price $23.00
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  • Original price $20.99 - Original price $20.99
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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 $20.99 - Original price $20.99
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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 $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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    Original price $23.25 - Original price $23.25
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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 $28.00 - Original price $28.00
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  • Original price $23.25 - Original price $23.25
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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 $23.25 - Original price $23.25
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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 $27.00 - Original price $27.00
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    Greensand by Agrolift (0-0-1.4) - 50 lb Bag

    Greensand contains minerals and trace elements that improves the chemical, physical and biological conditions of the soil as well as the moisture a...

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    Original price $27.00 - Original price $27.00
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  • Original price $27.50 - Original price $27.50
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    Sea-90 Minerals & Trace Elements for Crops - 50 lb Bag

    SEA-90 sea mineral solids are 100% natural water soluble minerals listed by the USDA National Organic Program and Organic Materials Review Institut...

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    Original price $27.50 - Original price $27.50
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  • Original price $34.00 - Original price $34.00
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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 $34.00 - Original price $34.00
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  • Original price $99.00 - Original price $99.00
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    Copper Sulfate Powder - 50 lb Bag

    COPPER SULFATE- Chemical Analysis, Copper (Cu) 25.2% min, Arsenic (Ar) 10 ppm max, Cadmium (Cd) 15 ppm max, Lead (Pb) 50 ppm Copper Sulfate is a va...

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    Original price $99.00 - Original price $99.00
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  • Original price $12.00 - Original price $12.00
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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 $12.00 - Original price $12.00
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    $12.00
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  • Original price $10.00 - Original price $10.00
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    Copper Sulfate Powder - 1 lb

    COPPER SULFATE- Chemical Analysis, Copper (Cu) 25.2% min, Arsenic (Ar) 10 ppm max, Cadmium (Cd) 15 ppm max, Lead (Pb) 50 ppm Copper Sulfate is a va...

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    Original price $10.00 - Original price $10.00
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  • Original price $78.00 - Original price $78.00
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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 $78.00 - Original price $78.00
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  • Original price $39.00 - Original price $39.00
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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 $39.00 - Original price $39.00
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  • Original price $20.00 - Original price $20.00
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    Solubor 20.5% Boron (Sodium Borate) - 5 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 $20.00 - Original price $20.00
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  • Original price $11.00 - Original price $11.00
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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 $11.00 - Original price $11.00
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  • Original price $48.00 - Original price $48.00
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    Humic DG - 40 lb Bag

    The Andersons brand, this easy flow micro-pelletized Humic acid is derived from a high quality 70% leonardite, containing 35% fulvic and 35% humic ...

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    Original price $48.00 - Original price $48.00
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  • Original price $89.00 - Original price $89.00
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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 $89.00 - Original price $89.00
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  • Original price $12.00 - Original price $12.00
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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 $12.00 - Original price $12.00
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  • Original price $10.00 - Original price $10.00
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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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    Original price $10.00 - Original price $10.00
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  • Original price $75.00 - Original price $75.00
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    Manganese Sulfate Powder 32% (For Feed or Fertilizer) - 55 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 $75.00 - Original price $75.00
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  • Original price $26.00 - Original price $26.00
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    Biomin® Booster 126 Amino Acid Chelated Minerals - Gallon

    A mixture of the amino acid encapsulated micronutrients magnesium, boron, copper, iron, manganese, and zinc. Created using an encapsulation of thes...

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    Original price $26.00 - Original price $26.00
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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!