Agiseek home

Organic Soil Amendments

Become a Partner
Sup\'r Green (3-2-2)
Prices start at : 5.26 USD / 25.00 lbs

Ingredients: Derived from dry, composted chicken waste. Benefits: • Approved for organic use (NOP) • Over 5 times more plant food value than steer manure • Guaranteed weed and dirt free • Ground for uniform texture • Special slow release makes...
  • brand: Stutzman Farms
Montana
Bozeman
Bone Meal (2-14-0)
Prices start at : 45.15 USD / 55.0 lbs

CAUTION: Do NOT feed to cattle or other ruminants. Particularly useful early in the season for promoting strong root systems. For individual bulbs, add 1 tsp into the prepared hole and mix with loose dirt.
  • brand: Bridgewell Resources
Montana
Bozeman
Azomite (0-0-0.2)
Prices start at : 17.35 USD / 50.00 lbs

For sixty years regional crop and livestock producers from central Utah have used Azomite to improve livestock and plant growth. Note: This product is derived from a natural volcanic ash deposit mined in Utah.
  • brand: Azomite Mineral Products
Montana
Bozeman
Sphagnum Peat Moss
Prices start at : 11.45 USD / 50.0 lbs

Add around the root ball, water and allow to settle. OMRI Listed for use in organic production. Available size: 2.2 cu ft Bag DIRECTIONS FOR USE: Mix liberally with any soil to improve water retention, soil aeration and to stimulate root development.
  • brand: Black Gold
Montana
Bozeman
Fish Bone Meal (4-20-0)
Prices start at : 40.2 USD / 55.0 lbs

A by-product of Pacific Northwest fisheries, Organic Fish Bone Meal is a great source of phosphorus and calcium (14%), plus a small amount of nitrogen (4%). Containers: Add 1/3 cup per 1/2 cubic foot (5 gallons) of soil or 3-6 lbs per cubic yard.
  • brand: Pro-Pell-It!
Montana
Bozeman
Alfalfa Pellets
Prices start at : 16.25 USD / 55.0 lbs

Made in Montana. Used as an animal feed, Alfalfa Pellets are an excellent nitrogen source (up to 5%). Pelleted for easy application with NO dust. Benefits: • Pelleted for easy application • An excellent source of nitrogen from a plant source • Contains...
  • brand: Payback
Montana
Bozeman
Kelp Meal (1-0-2)
Prices start at : 78.35 USD / 55.0 lbs

Benefits: • A 100% natural and organic fertilizer made from dried seaweed • Ideal for veganic farming methods • Suitable for use in both soil and hydroponic gardens • Enhances sweetness, colors and flavors • Contains natural plant growth regulators...
  • brand: Tidal Organics
Montana
Bozeman
Humic Acids (Granular)
Prices start at : 4.39 USD / 6.00 lbs

Grower's Tip: When transitioning from conventional gardening to sustainable gardening methods, adding this product to your soil is an excellent first step to adding stimulants for microbes and food for worms.
  • brand: Down To Earth
Montana
Bozeman
Kelp Meal (1-0.5-2)
Prices start at : 5.15 USD / 3.00 lbs

Mix thoroughly for maximum results. Contains ProBiotic beneficial soil microbes. Established Plants: Side dress with 1/4 cup for every 10 square feet of growing area, or work 1/4 cup for every inch of trunk diameter into the soil within the drip line.
  • brand: Dr. Earth
Montana
Bozeman
Soybean Meal (7-1-2)
Prices start at : 8.12 USD / 6.00 lbs

To feed established plants, side dress 2-4 oz, depending on plant size. Put the power of legumes to work for your garden! Down To Earth Soybean Meal Fertilizer gives a high-nutrient lift to all plants, but especially heavy feeders, like peppers, greens...
  • brand: Down To Earth
Montana
Bozeman
Rock Phosphate
Prices start at : 23.5 USD / 55.0 lbs

Calphostm contains a minimum of 3% available (and a minimum of 20% total) phosphoric acid (P2O5) and 20% Calcium (Ca). User's Tip: Calphos is fast-acting, similar to a superphosphate, and is relatively insoluble… so it will provide amazing results for...
  • brand: Canton Mills
Montana
Bozeman
Neem Meal (6-1-2)
Prices start at : 8.01 USD / 6.00 lbs

Grower's Tip: This slow-release nitrogen source can be used to improve poor soils and is a favorite for vegan gardening. OMRI Listed for use in organic production. To feed established plants, side dress 2-4 oz, depending on plant size.
  • brand: Down To Earth
Montana
Bozeman
Greensand (0-0-0.1)
Prices start at : 9.65 USD / 8.50 lbs

Heavy : 40 to 80 lbs. Mined from natural deposits of glauconite, it is composed primarily of iron-potassium silicate, which gives it a bluish-green color. Espoma Greensand is a soil conditioner and potash source of the highest quality.
  • brand: Espoma
Montana
Bozeman
Vermiculite (8qt)
Prices start at : 2.46 USD / 3.00 lbs

User's Tip: Pour over flower bulbs when putting them in storage to prevent rot and mildew. Preferred by many hydroponic operations as a sterile seed-starting grow medium. Use Black Gold Vermiculite to root cuttings or offer any plant more air capacity...
  • brand: Black Gold
Montana
Bozeman
Karanja Cake (55lb)
Prices start at : 65.3 USD / 65 lbs

Often combined with neem for dramatic results. Water thoroughly after application. If using an air pump, bubble for 36-48 hours prior to application. Containers: Add 1 cup per 5-gallons of soil or soilless media.
  • brand: Concentrates
Montana
Bozeman
Basalt Powder
Prices start at : 21.7 USD / 55.0 lbs

This product is compliant with the USDA National Organic Program (NOP) . Grower's Tip: The slow-release perks of this product help to reduce plant deficiencies, particularly with fast-growing crops that require periods of rapid nutrient uptake.
  • brand: Gaia Green
Montana
Bozeman
Greensand (0-0-0.2)
Prices start at : 32.8 USD / 50.0 lbs

Used as a soil amendment and fertilizer, Micronized Super Greensand contains about 10% total potash (0.2% soluble), along with iron, magnesium, silica and as many as 60 other slow-release trace minerals.
Montana
Bozeman
Dried Blood (13-0-0)
Prices start at : 56.15 USD / 45.0 lbs

CAUTION: Do NOT feed to cattle or other ruminants. Great for heavy feeders, like spinach, corn and salad greens. Promotes a dark, green color and rapid growth in most plants. May also be used in gardens to repel deer, or used as a compost starter to heat...
  • brand: Pro-Pell-It!
Montana
Bozeman
Neem Cake
Prices start at : 36.95 USD / 50.0 lbs

Ideal for potting mixes and garden soils! Organic neem cake ( Azadirachta indica ) is what remains after the seeds have been processed for oil. Soil Drench/ Foliar Spray: Place 1 cup in a mesh bag and brew with 5 gallons of water for 1-2 days.
  • brand: Concentrates
Montana
Bozeman
Gypsum
Prices start at : 14.2 USD / 55.0 lbs

Promotes lush lawns and abundant gardens — naturally! This soil amendment meets the current USDA National Organic Program (NOP) standards. Moisture is essential to achieve the desired soil-conditioning effect.
  • brand: Columbia River Carbonates
Montana
Bozeman
Fossil Shell Flour
Prices start at : 25.9 USD / 57.0 lbs

Safe and effective — contains less than one half of 1% crystalline silica and is “generally regarded as safe.” Benefits • Food grade — OMRI certified for use with grain, seed, livestock operations and organic growing operations • 89% silicon...
  • brand: Perma-Guard
Montana
Bozeman
Cottonseed Meal
Prices start at : 30.9 USD / 55.0 lbs

Cottonseed Meal will also acidify the soil, which makes it perfect for use with acid-loving plants such as blueberries, gardenia, azalea and rhododendron. Additional applications may be needed during the growing season.
  • brand: Pro-Pell-It!
Montana
Bozeman
Garden Manure (4-2-2)
Prices start at : 3.44 USD / 5.00 lbs

Potted Plants – Mix one teaspoon for each 4-inches of pot diameter. Derived from poultry, it is dehydrated to provide higher numbers (NPK) and granulated for easy application. Available size: 4 lb Bag DIRECTIONS FOR USE: Flowers and Vegetables: Apply...
  • brand: Espoma
Montana
Bozeman
Greensand
Prices start at : 6.14 USD / 8.00 lbs

OMRI Listed for use in organic production. Trees & Shrubs: Spread 1-2 lbs per 1-inch of trunk diameter around the base outwards to the drip line, mix into the soil and water. A popular soil amendment and natural source of potash! Down To Earth Greensand...
  • brand: Down To Earth
Montana
Bozeman
Silica (Si)
Prices start at : 8.5 USD / 2.00 lbs

Montana Grow Si is an organic silica plant amendment. These ingredients are crucial to building strong roots, foliage and stems. It is also known to help alleviate stress and shock in plants.
  • brand: MontanaGrow
Montana
Bozeman
Glacial Rock Dust
Prices start at : 21.5 USD / 55.0 lbs

Ingredients: Derived from glacial moraines located in British Columbia, Canada. Benefits: • Contains a full range of minerals and trace elements • Will improve the quality of your garden soil • Earthworms and beneficial soil microbes love it! •...
  • brand: Gaia Green
Montana
Bozeman
Fish Meal (9-4.5-0)
Prices start at : 68.55 USD / 55.0 lbs

Often combined with kelp extract to enhance performance. Of Agriculture). Stimulates vigorous growth and deep green color! A strong source of organic nitrogen, Fish Meal fertilizer is uniquely processed to retain maximum nutritional value without using...
  • brand: Pro-Pell-It!
Montana
Bozeman