Soil Amendments
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Original price $101.50 - Original price $101.50Original price$101.50$101.50 - $101.50Current price $101.50
Thorvin Kelp - 50 lb Bag
4 reviewsThorvin Kelp is a single sourced kelp from Icelandic waters and is certified organic and OMRI-listed. The kelp is processed at a low temperature in...
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Original price $27.90 - Original price $27.90Original price$27.90$27.90 - $27.90Current price $27.90
Elemental Sulfur 90% - 50 lb Bag
2 reviewsPelletized sulfur is used to correct sulfur deficiencies or lower soil pH. Excellent for blueberries and all acid-loving plants. Rates vary by star...
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Original price $40.50 - Original price $40.50Original price$40.50$40.50 - $40.50Current price $40.50
Bone Meal Granulated (2-14-0) - 50 lb Bag
No reviewsPar-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 $17.75 - Original price $17.75Original price$17.75$17.75 - $17.75Current price $17.75
Harmony Ag Organic Fertilizer (5-4-3) 9% Calcium - 40 lb
2 reviewsHarmony Ag Organic Fertilizer w/ 9% Calcium (5-4-3) is our most popular fertilizer, made from composted poultry layer manure. All-purpose for veget...
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Original price $43.70 - Original price $43.70Original price$43.70$43.70 - $43.70Current price $43.70
Feather Meal (13-0-0) - 50 lb Bag
1 reviewFeather 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 $27.20 - Original price $27.20Original price$27.20$27.20 - $27.20Current price $27.20
Magnesium Sulfate (Epsom Salt) - Technical Grade - 50 lb Bag (Agriculture)
1 reviewMagnesium Sulfate (Epsom Salt) Technical Grade - Mg 9.8%, S 12.9%. Quick acting magnesium & sulfur fertilizer. It can be used for a soil or fol...
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Original price $77.00 - Original price $77.00Original price$77.00$77.00 - $77.00Current price $77.00
Nature's Kelp from Thorvin - 50 lb Bag
Nature’s Kelp from Thorvin is a certified organic dried kelp (Ascophyllum Nodosum) from the North Atlantic that is a rich source of trace minerals....
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Original price $63.00 - Original price $63.00Original price$63.00$63.00 - $63.00Current price $63.00
Blood Meal (13-0-0) - 50 lb Bag
1 reviewBlood Meal (13-0-0) - 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 $34.50 - Original price $34.50Original price$34.50$34.50 - $34.50Current price $34.50
Alfalfa Meal Organically Grown for Plants or Animals (3-0.5-3) - 50 lb Bag
1 reviewAs a fertilizer it has an analysis of 3-0.5-3 and is loaded with micronutrients. The alfalfa plant has a deep root system that draws up minerals be...
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Original price $35.00 - Original price $35.00Original price$35.00$35.00 - $35.00Current price $35.00
Nature Safe Fertilizer (8-5-5) - 50 lb Bag
1 reviewPelleted (SGN 5/32”x 1/4” - 1/2”) general use fertilizer derived from meat and bone meal, feather meal, blood meal, and sulfate of potash. The 1.2%...
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Original price $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40
Azomite Micronized Powder - 44 lb Bag
1 reviewAzomite 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 $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40
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 $38.20 - Original price $38.20Original price$38.20$38.20 - $38.20Current price $38.20
Nature Safe Organic Nitrogen Fertilizer (13-0-0) - 50 lb Bag
No reviewsThis 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 $46.75 - Original price $46.75Original price$46.75$46.75 - $46.75Current price $46.75
Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 50 lb Bag
2 reviewsPotassium 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 $308.50 - Original price $308.50Original price$308.50$308.50 - $308.50Current price $308.50
AgSil 16H Potassium Silicate Powder 52% SiO2 (0-0-32) 50 lb Bag
1 reviewAgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...
View full detailsOriginal price $308.50 - Original price $308.50Original price$308.50$308.50 - $308.50Current price $308.50Sale Sale -
Original price $0.00 - Original price $0.00Original price $0.00$56.50$56.50 - $56.50Current price $56.50
Allganic Soluble Potassium Sulfate SOP (0-0-52+S18%) - 50 lb Bag
Potassium Sulfate Allganic Brand Water Soluble SOP (0-0-52-Sulfur 18%) is a soluble SOP for crop production. Apply according to your soil test, y...
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Original price $50.75 - Original price $50.75Original price$50.75$50.75 - $50.75Current price $50.75
Neversink Blend (6-1-7) - 40 lb Bag
1 reviewNeversink Blend is a custom fertilizer formulated by and for Conor Crickmore of Neversink Farm. Check out Neversink's fantastic workshops as well a...
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Original price $26.75 - Original price $26.75Original price$26.75$26.75 - $26.75Current price $26.75
Worm Castings Mountain Gate Organics - 1 cu ft Bag
No reviewsThese 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 $34.75 - Original price $34.75Original price$34.75$34.75 - $34.75Current price $34.75
Fertoz Organic Granulated Rock Phosphate Fertilizer 0-7-0 - 50 lbs
1 reviewFertoz Organic Phosphorus replacing Calphos with this 2X concentrated granulated phosphate fertilizer. Total Phosphorus: 20% (available phosphorus:...
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Original price $52.00 - Original price $52.00Original price$52.00$52.00 - $52.00Current price $52.00
Allganic Nitrogen Plus (15-0-2) 50 lb Bag
Allganic Nitrogen Plus is a micro-pelletized sodium nitrate from Chile, containing 15% Nitrate-Nitrogen and 2% Potassium, and is easy to broadcast....
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Original price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50
Sea-90 Soil Mineralizer+ - 50 lb Bag
No reviewsSea-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 natural salt crystals produced by so...
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Original price $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00
Ferti Fulvic Plus (90% Fulvic Acid) - 5 lb Bag
Derived from plants with a 90% (min.) content of organic fulvic acid. Its chelating effect, physiological and biological activity give the plant m...
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Original price $41.75 - Original price $41.75Original price$41.75$41.75 - $41.75Current price $41.75
Kmag or SulPoMag Granular (0-0-22+22S+11Mg) - 50 lb Bag
1 reviewIntrepid 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 $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00
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 $40.25 - Original price $40.25Original price$40.25$40.25 - $40.25Current price $40.25
Crab Shell 4-4-0 +18% Ca - 40 lb Bag
1 reviewBy providing existing soil microbes with food and energy, crab shell naturally and safely improves soil health by enhancing the beneficial microbia...
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Original price $89.00 - Original price $89.00Original price$89.00$89.00 - $89.00Current price $89.00
Nature Safe (7-7-7) Soluble Powder - 50 lb Bag
No reviewsNatureSafe 7-7-7 Dry Flowable is a fully soluble general purpose fertilizer made from corn steep liquor. The 6.5% water soluble nitrogen provides a...
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Original price $19.00 - Original price $19.00Original price$19.00$19.00 - $19.00Current price $19.00
Biogreaux Blackstrap Molasses (1-0-5) 1 Gallon
1 reviewBiogreaux Blackstrap Molasses is an all-natural organic fertilizer and potassium booster made from the byproduct of Louisiana sugarcane processing....
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Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
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 $9.75 - Original price $9.75Original price$9.75$9.75 - $9.75Current price $9.75
True Organic Prilled Sulfur 99% - 5 lb Bag
Prilled elemental sulfur is used to correct sulfur deficiencies or lower soil pH. Our elemental sulfur will have a light green color. Excellent fo...
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Original price $9.10 - Original price $9.10Original price$9.10$9.10 - $9.10Current price $9.10
Hi-Cal Lime Powder - 50 lb Bag
High quality 100% pulverized limestone is high in calcium and very low in magnesium content. Elemental calcium is 38%. Calcium carbonate equivalent...
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Original price $126.90 - Original price $126.90Original price$126.90$126.90 - $126.90Current price $126.90
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...
View full detailsOriginal price $126.90 - Original price $126.90Original price$126.90$126.90 - $126.90Current price $126.90Sale Sale -
Original price $65.95 - Original price $65.95Original price$65.95$65.95 - $65.95Current price $65.95
Fish Bone Meal 40% Protein (4-14-0) - 50 lb Bag
1 reviewA marine-based alternative to traditional steamed bone meal and a great source of organic phosphorus and calcium (12%-17%). Derived from fresh cutt...
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Original price $86.30 - Original price $86.30Original price$86.30$86.30 - $86.30Current price $86.30
Zinc Sulfate Powder, Ag & Livestock- 50 lb Bag
No reviewsZinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...
View full detailsOriginal price $86.30 - Original price $86.30Original price$86.30$86.30 - $86.30Current price $86.30Sale Sale -
Original price $24.75 - Original price $24.75Original price$24.75$24.75 - $24.75Current price $24.75
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 is derived from a naturally mined soft rock phospha...
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Original price $56.85 - Original price $56.85Original price$56.85$56.85 - $56.85Current price $56.85
Humic DG - 40 lb Bag
2 reviewsThe 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 $88.75 - Original price $88.75Original price$88.75$88.75 - $88.75Current price $88.75
Brown's Fish Fertilizer (2-3-1) - 5 Gallons
1 reviewProduced in Western North Carolina, this product is made from fresh water fish. Brown's Fish Fertilizer is a fish hydrolysate produced by a cold en...
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Original price $45.75 - Original price $45.75Original price$45.75$45.75 - $45.75Current price $45.75
Corn Gluten Meal Granular (9-0-0) - 50 lb Bag
1 reviewThe nitrogen in Corn Gluten Meal has a very high mineralization rate, typically over 80%. ...
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Original price $34.95 - Original price $34.95Original price$34.95$34.95 - $34.95Current price $34.95
Cottonseed Meal (6-2-2) - 50 lb Bag
Use for acid-loving plants like blueberries and azaleas because of its low pH. This Cottonseed Meal is NOT NOP Compliant. This is feed grade. For t...
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Original price $21.95 - Original price $21.95Original price$21.95$21.95 - $21.95Current price $21.95
Brown's Fish Fertilizer (2-3-1) - 1 Gallon
Produced in Western North Carolina, this product is made from fresh water fish. Brown's Fish Fertilizer is a fish hydrolysate produced by a cold en...
View full detailsOriginal price $21.95 - Original price $21.95Original price$21.95$21.95 - $21.95Current price $21.95Sale Sale -
Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
Zinc Sulfate Powder, Ag & Livestock, 1 lb Bag
Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...
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Original price $26.40 - Original price $26.40Original price$26.40$26.40 - $26.40Current price $26.40
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. Symphony 5-4-3 ferti...
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Original price $101.50 - Original price $101.50Original price$101.50$101.50 - $101.50Current price $101.50
Solubor 20.5% Boron (Sodium Borate) - 50 lb Bag
Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lowe...
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Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
Manganese Sulfate Powder 31.5% - 1 lb Bag
Manganese Sulfate with 31.5% manganese and 18% sulfur is used for soils deficient in manganese (Mn). Manganese Sulfate Powder is soluble and can be...
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Original price $200.50 - Original price $200.50Original price$200.50$200.50 - $200.50Current price $200.50
Grower’s Secret Nitrogen (16-0-0)- 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 $42.75 - Original price $42.75Original price$42.75$42.75 - $42.75Current price $42.75
Endomycorrhizal Inoculant (BEI) Micronized Powder - 1.5 lb
From BioOrganics this product contains a blend of nine species of Endomycorrhizal spores: Glomus aggregatum, G. etunicatum, G. intraradices, G. mos...
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Original price $33.50 - Original price $33.50Original price$33.50$33.50 - $33.50Current price $33.50
Greensand (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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Original price $17.95 - Original price $17.95Original price$17.95$17.95 - $17.95Current price $17.95
Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz
No reviewsConcentrated Ascophyllum nodosum (brown seaweed) plus potassium hydroxide from the Norwegian coastline. This highly soluble seaweed provides trace ...
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Original price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50
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 salt crystals produced by solar dehydrating sea wa...
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