8 2 4MEDFINE50lb 600wide

All natural fertilizer for sustained nutrition in environmentally sensitive areas and depleted soils

Suståne® 8•2•4 granular

Suståne 8-2-4 All-Natural Fertilizer promotes a rapid rate of vegetative establishment and growth. Quick ground cover minimizes soil erosion and the need for repairs or re-seeding.  Suståne replenishes the soil with a rich supply of humus (stabilized organic matter) and all of the primary, secondary and minor nutrients essential for quality growth. Suståne 8-2-4 is derived from biologically stable compost plus natural potash and feather meal.

Professional Grade 

Suståne Natural Fertlizer is backed by over 30 years of independent applied research on diverse crops and ecosystems. Unmatched by any other organic fertilizer manufacturer, such research is the foundation for developing products that deliver value under a wide variety of growing conditions. The superior performance of Suståne's products is recognized by growers from around the world.

Benefits of Suståne 8•2•4 All Natural, Slow-Release Nitrogen Fertilizer
  • Adds approximately 6% humates by volume
  • Increases the nutrient and water holding capacity of the soil
  • Strengthens plants’ tolerance of hot, dry conditions
  • Promotes greater root development
  • Improves buffering against changes in soil pH
  • Increases the soil’s ability to suppress plant pathogens
  • Increases soil porosity and stability for greater root development and water holding capacity
  • Suitable for arid and saline soils, lowers transportation and application costs. 
  • Provides primary and secondary (macro & micro) nutrients necessary for plant growth
Safe for Plants, People and the Environment
  • Manufactured by Suståne in the USA at a EPA permitted facility.
  • Pathogen and weed free, no blood or bone products. 
  • Allowed for export to over 60 countries world wide.
  • Aerobic composting eliminates animal and rodent attraction to application site.
  • Contains the naturally occurring beneficial bacteria and fungi that are necessary to begin nutrient life cycle in poor soil.
  • Suståne is fully composted eliminating the need for sterilization, permitting a healthy environment for beneficial microbial populations.
  • Slowly available nutrients minimize weed growth.

Land Management, Native Restoration & Erosion Control Programs**
Fertilizer recommendations should be based on laboratory soil tests and specific site conditions including but not limited to aspect and slope.  Use high rates for soils low in organic matter, high in salts or pH, and with steeper or southern facing slopes


Mix with water solution at a ratio of
2 lb. Suståne 8-2-4 to 1 gallon of water / 1 ton per 1,000 gallon tank
For 44 lb. of N per acre apply 550 lb.
For 90 lb. of N per acre apply 1100 lb.
For 130 lb. of N per acre apply 1700 lb.

Soil Preparation

Light, High Sandy Soil: 3 lb. per 100 ft2 of bed (15 kg per 100m2)
Medium, Clay Loam Soil: 2 lb. per 100 ft2 of bed (10 kg per 100m2)
Heavy, Silty, Clay Loam: 1 lb. per 100 ft2 of bed (5 kg per 100m2)


50 lb. covers 4000 ft2 @ 1 lb. N per 1000 ft2 (44 lb2 N per acre)
22.67 kg covers 372 m2 @ 0.5 kg N per 100 m2 (50 kg N per hectare)
12.5 lb. per 1000 ft2 / 6.25 kg per 100 m2


Store in a cool, dry place. Do not expose to moisture or extreme temperatures. For best results, use by expiration date printed on label.

**NOTE: Adjust fertilizer program for local conditions and requirements

Item # 
Suståne 8-2-4
Package Size Units / Pallets
(1.4 .mm - 0.6 mm) 
30-55-1375 (international)
50 lb. bags
1-ton tote 
22.7 kg bags 
40 bags / pallet
1 tote / pallet
44 bags / ISPM pallet 
(2.8 mm - 1.4 mm) 
30-55-1175 (international) 
50 lb. bags
1-ton tote 
22.7 kg bags 
40 bags / pallet
1 tote / pallet
44 bags / ISPM pallet
Bulk Density

4 6 4 Agriculture Bulk Density


Total Nitrogen (N)

     0.8% Ammoniacal Nitrogen
     0.8% Other Water Soluble Nitrogen
     6.4% Water Insoluble Nitrogen*
Available Phosphate (P(2O5) 2%
Soluble Potash (K2O) 4%
Calcium (Ca) 2%
Magnesium (Mg)
   0.01% Water soluble Magnesium (Mg)
Sulfur (S) 1%
Iron (Fe) 0.1%

Derived from aerobically composted turkey litter, feather meal, bone meal, and sulfate of potash. 
*6.4% slowly available nitrogen from aerobically composted turkey litter and feather meal