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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 $26.75 - Original price $26.75
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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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    Original price $33.95 - Original price $33.95
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  • Original price $28.00 - Original price $28.00
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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 $28.00 - Original price $28.00
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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 $28.00 - Original price $28.00
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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 $28.00 - Original price $28.00
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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 $35.50 - Original price $35.50
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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 $29.10 - Original price $29.10
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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 $49.70 - Original price $49.70
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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 $126.90 - Original price $126.90
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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 $12.20 - Original price $12.20
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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 $9.50 - Original price $9.50
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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 $13.70 - Original price $13.70
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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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    Original price $12.20 - Original price $12.20
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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 $12.20 - Original price $12.20
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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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    Original price $29.19 - Original price $29.19
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  • Original price $15.00 - Original price $15.00
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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 $29.95 - Original price $29.95
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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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Shipping Notice

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!