Fertilizers & Soil Amendments

We offer a wide selection of soil amendments and fertilization products in liquid, dry, granular, pelletized and powder forms for virtually every need. We have OMRI® Listed, WSDA Reg. Materials, USDA Organic, National Organic Program Compliant and Phosphate Free products covering a wide range of applications for Agriculture, Professional, Commercial Growers, Hydroponic Growers, Small & Large Scale Farms, Pastures, Acreage, Gardens of any size, Lawns, Landscapes, Commercial Properties and Homeowners. We work hard to offer better choices and provide the products that'll help you accomplish your goals in any growing method. Organic Products Notice

Commercial discounts are available off the retail prices shown. Create An Account or Contact Us for more information at 888.499.9869.

Not all products listed on this website are offered for sale or registered in all States.

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Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae 1 gal. (1 case of 4)

Case of 4 Gallons Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae is a soil inoculant with a broad and diverse spectrum of naturally occurring beneficial microbes and Mycorrhizae for rebuilding the soil. Bio S.I. Ag SELECT  will bring your entire farm to a more productive, vigorous and balanced state. This leads to the use of fewer chemicals, less fertilizer and better utilization of soil nutrients and water. Covers up to 32 Row Acres

Phosphate - Tennessee Brown Rock (1 Ton Tote)

Multiple Pallet/Truckload Discounts Available The Premier Natural Phosphate in the US: Cleanest, Least Expensive, Most available. Derived from washed phosphate ore. It is not a colloidal nor a hard rock but rather a unique reactive rock phosphate making it available now without requiring low pH's to release. One of the most beneficial and cost effective phosphate products available. Combine with Mycorrhizal applications for excellent for microbial stimulation and mycorrhizal formation on plant roots Excellent Calcium source: 20%. Contains over 50 trace minerals. Typical Analysis: 0-3-0. OMRI® Listed and certified for organic production and use.

Great White Premium Mycorrhizae 32 oz. (Case of 2)

Great White® is the most complete mycorrhizal product on the market. The cutting edge formula contains 15 different species of mycorrhizal fungi, 11 different species of beneficial bacteria and 2 species of trichoderma all in one product. Research shows that  this powerful formula will ignite plant and root growth giving plants the tools they need to maximize yields. Great White's concentrated formula ensures optimum colonization of root systems by the fungi for less money. The water soluble powder makes application a snap and delivers the spores directly to the roots for immediate germination. Users should look for explosive root growth, increased yields, increased fruiting and flowering, increased nutrient and water absorption and improved transplant success. The key to healthy and vital plants starts with a vigorous root system and a vigorous root system starts with Great White!

SuperCal SO4 Pelletized Gypsum (1 Ton 40 x 50 lb. bags)

Multiple Pallet/Truckload Discounts Available  SuperCal SO4 is a natural, organic, chemical-free, OMRI Listed gypsum-based soil amendment derived from very pure mined gypsum. It's a full strength product ideal for Farms & Ranches, Commercial Growers, Landscape Contractors, Lawn and Turf Professionals and Commercial Properties. SuperCal SO4 delivers organic calcium and sulfur, in sulfate form, two necessary nutrients for lush green grass and healthy plant and crop growth. 25-100% more water is available in SuperCal SO4 treated soils vs. untreated soils = less irrigation water required to achieve the same results. Helps with high bicarbonate irrigation water. Amends and reclaims soils high in destructive magnesium. Decreases pH of sodic soils and works to leach sodium from soils. SuperCal SO4 regulates soluble salts and leaches sodium, increases biological activity, and oxygen levels in soil, increasing water infiltration.

Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae (5 gal. pail)

5 Gallon Pail  Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae is a soil inoculant with a broad and diverse spectrum of naturally occurring beneficial microbes and Mycorrhizae for rebuilding the soil. Bio S.I. Ag SELECT  will bring your entire farm to a more productive, vigorous and balanced state. This leads to the use of fewer chemicals, less fertilizer and better utilization of soil nutrients and water. Covers up to 40 Row Acres

Medina Plus (5 gal. pail )

Medina Plus is fortified with essential micronutrients and growth hormones from seaweed extract. You still get all of the natural soil building advantages, while extra ingredients make it an excellent foliar feed for plants, trees, shrubs and lawns. We also recommend it for transplanting and compost piles. A combination of Medina Soil Activator plus over 40 trace elements, cytokinin (natural growth hormones from seaweed extract), magnesium, iron, zinc, PABA (para-aminobenzoic) acid, riboflavin, thiamin, biotin, nicotinic acid and all essential trace elements. It is ideal for foliar application to fruit trees and vegetables.

Garrett Juice Plus Concentrate (1 case of 12 quarts)

Case of 12 Quarts Garrett Juice Plus is an all natural foliar plant food 1.5 (N) - 2.2 (P) - 1.5 (K) and soil drench developed by the Dirt Doctor, Howard Garrett. The simple but powerful formula of compost tea, apple cider vinegar, molasses and seaweed has been made even more powerful with the addition of hydrolyzed fish. Garrett Juice Plus is ideal for use on all plants! Concentrate.

Liquid Seaweed (1 case of 4 gallons)

Case of 4 Gallons Medina 0-0-1 Liquid Seaweed is a concentrated extract derived from the Ascophyllum nodosum with humic and fulvic acids. These extracts contain natural growth hormones along with over 70 trace minerals, micronutrients, and vitamins. Liquid seaweed is used to enhance and stimulate root growth of the plant. Helps germination, root development, improves yield and quality. Root stimulator and transplant aid..

Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae (55 gal. drum)

55 Gallon Drum  Bio S.I. Ag SELECT Beneficial Soil Microbes & Mycorrhizae is a soil inoculant with a broad and diverse spectrum of naturally occurring beneficial microbes and Mycorrhizae for rebuilding the soil. Bio S.I. Ag SELECT  will bring your entire farm to a more productive, vigorous and balanced state. This leads to the use of fewer chemicals, less fertilizer and better utilization of soil nutrients and water. Covers up to 440 Row Acres

Medina Plus (1 case of 4 gallons)

Medina Plus is fortified with essential micronutrients and growth hormones from seaweed extract. You still get all of the natural soil building advantages, while extra ingredients make it an excellent foliar feed for plants, trees, shrubs and lawns. We also recommend it for transplanting and compost piles. A combination of Medina Soil Activator plus over 40 trace elements, cytokinin (natural growth hormones from seaweed extract), magnesium, iron, zinc, PABA (para-aminobenzoic) acid, riboflavin, thiamin, biotin, nicotinic acid and all essential trace elements. It is ideal for foliar application to fruit trees and vegetables.

Garrett Juice Pro Mycorrhizae & Beneficial Bacteria Concentrate 1 gal.(Case of 4)

Case of 4 The Garrett Juice Pro with Mycorrhizae & Beneficial Bacteria takes the original formulation to new levels. Contains 5 powerful Beneficial Bacteria and Fungi species. Garrett Juice Pro can be used on all landscape plants, turf, herbs, vegetables, pastures and trees. It can be used in small gardens up to large acreage applications. It works in sprayers and spray equipment, drip irrigation systems, hose end sprayers and can be mixed for application with regular watering cans. Concentrate.

Great White Premium Mycorrhizae 25 lb.

Great White® is the most complete mycorrhizal product on the market. The cutting edge formula contains 15 different species of mycorrhizal fungi, 11 different species of beneficial bacteria and 2 species of trichoderma all in one product. Research shows that  this powerful formula will ignite plant and root growth giving plants the tools they need to maximize yields. Great White's concentrated formula ensures optimum colonization of root systems by the fungi for less money. The water soluble powder makes application a snap and delivers the spores directly to the roots for immediate germination. Users should look for explosive root growth, increased yields, increased fruiting and flowering, increased nutrient and water absorption and improved transplant success. The key to healthy and vital plants starts with a vigorous root system and a vigorous root system starts with Great White!

To provide the best value on this item it's been designated Request Quote for the following reasons:

Volume Pricing Applies

  • Additional discounts available based on larger quantity or larger volume purchase. See below.

Item Bulk or Weight

  • Requires special handling in transit and at customer destination.
  • Requires additional handling and coordination with customer at time of order and delivery.
  • Requires special transportation parameters to avoid excessive shipping charges.

Seasonal Pricing Applies

  • Item price may fluctuate based on the time of year and availability.

Bulk and Commercial discounts are available for Farms, Ranches, Commercial Growers, Landscape & Turf Pros, Municipalities and Golf Course Superintendents.

Create a Commercial Account to receive Commercial discounts for our entire selection of items for Agricultural, Commercial and Professional use.

To receive a quote or for more information call 888.499.9869 or Contact Us.

Price Includes Shipping - General Information

1. Shipments of this item may require up to 3 weeks for delivery. Delivery times will vary based on:

  • Weather
  • Equipment availability
  • Shipping method
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  • Carrier
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  • Factors outside of our control not listed here

2. Only shipments for delivery Monday through Friday during normal business hours.

3. Special delivery instructions, over size charges, multiple delivery attempts, lift gate charges, additional handling, restricted access, special equipment, residential or rural surcharges or any other exceptions are not included.

4. Only single carrier and standard ground transportation within the 48 States is included. Interline shipments between carriers does not qualify and is not included. Alaska, Hawaii, International and Express or Expedited shipments of any kind are not included.

5. Ground shipping method and carrier chosen is solely at the discretion of Natural Organic Warehouse, LLC.

6. Certain items may not be available to be shipped to all States.

7. Price Includes Shipping is subject to change or removal without notice on any item.

8. Fuel surcharges may apply at any time prior to order confirmation based prevailing fuel rates and fuel surcharges assessed to Natural Organic Warehouse, LLC.You will be notified of any fuel surcharges prior to confirming your order.

9. Depending on the type, size and weight of items ordered, a shipment can require up to 5 business days to be picked up after order confirmation.

10. Price Includes Shipping may not apply to Commercial and Wholesale prices for the same item.

For more information call us at 888.499.9869 or Contact Us.

This product is suited for Agricultural, Commercial and Professional use.

Commercial prices and discounts on this item are available for:   

  • Farms
  • Ranches
  • Commercial Growers
  • Landscape & Turf Pros
  • Farm to Market Growers
  • Arborists
  • Greenhouses
  • Nurseries
  • Golf Courses
  • Businesses
  • Municipalities

Create a Commercial Account to see the Commercial Price, additional details for this item and our entire selection of items for Agricultural, Commercial and Professional use.

For questions or more information call us at 888.499.9869 or Contact Us.

Organic Products Notice

The National Organic Standards require that all certified organic producers, processors and handlers use materials that comply with the applicable parts of the Standards [7 CFR Part 205]. The Standards include the National List, which dictates allowed and prohibited substances for use in organic crop and livestock production, as well as substances allowed in organic food processing and handling.

Certified operators should always refer to the National List of Allowed and Prohibited Substances for further information regarding materials for use in organic food production or contact their certifier for additional assistance. For questions about specific products contact your certification agency to confirm product acceptability and approval prior to purchase and use.

Natural Organic Warehouse, LLC does not make any representations or warranties whatsoever with regard to any product offered on this website as being fit for use or approved for use in any type of operation. This includes, but is not limited to, Certified operations. It is the sole and entire responsibility of the purchaser to determine if any product offered for sale on this website is acceptable and approved for use according to all rules and guidelines applicable to the purchaser's particular operation, growing plan or growing program, as the case may be, prior to purchase.