Suståne 10-2-10 +Fe Natural Based Fertilizer provides 1:1 N:K and 80% slow-release nitrogen in a greens ready Fine Grade (100 SGN).

10 2 10feFINE50lb 600wide

Suståne 10-2-10 with Iron "Greens Grade" Natural Based Slow Release Nitrogen Fertilizer.

Label Spec Sheet MSDS


Suståne 10-2-10 +Fe Natural Based Fertilizer provides 1:1 N:K and 80% slow-release nitrogen in a greens and tees ready Fine Grade (100 SGN). Suståne 10-2-10+Fe combines Suståne organic compost base with iron sulfate organically chelated during the active aerobic composting phase providing for slow-release iron for enhancing chlorophyll production and turf color. 

Recommended Use:

Suståne 10-2-10+Fe is designed for use as a stand-alone putting green fertilizer or as the background fertilization for a liquid feeding program. Suitable for use on all turfgrass types providing quick green up followed by long-lasting slow-release organic nitrogen. Use where even growth and color are needed for eight to ten weeks.

Benefits of Suståne 10-2-10 + Fe

  • Fast green-up from 20% quick release water-soluble nitrogen
  • Long-lasting 80% slow-release nitrogen from organic N and methylene urea
  • Organically chelated iron for slow release, deep green color
  • Built on Sustane compost base wth the standard 1:1 N to K ratio to match plant uptake requirements
  • Will not burn or cause excessive top growth
  • Homogenous 1 mm particles - each particle contains all components
  • Fast, uniform coverage penetrates into turf canopy with light irrigation
  • Increases the nutrient and water holding capacity of the soil
  • Strengthens plants tolerance against 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

Always Safe for Plants, People and the Environment

  • Manufactured by Suståne in the USA at an EPA permitted facility.
  • Pathogen and weed-free, no blood or bone products. Allowed for export to over 60 countries worldwide.
  • Aerobic composting eliminates animal and rodent attraction to the application site.
  • Contains 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.


  • 50 lb. covers 5000 f2 @ 1 lb. N per 1000 ft2 (44 lb. N per acre)
  • 22.67 kg covers 465 m2 @ 0.5 kg N per 100 m2 (50 kg N per hectare)


  • Apply 10 lb. per 1000 ft2
  • Apply 50 g per 1 m2


Suståne Integrated Soil Management Program:

The following chart shows the recommended amounts of Suståne 10-2-10+Iron for a typical integrated putting green fertilization program.

Uses & Application:Greens & TeesFairways, Athletic Fields, Parks & Lawncare
Rate (lb./1,000 ft2) Application Frequency Rate (lb./1,000 ft2) Application Frequency
Early Feeding 5-10 1-2 5-10 1-2
Turf Establishment 7-12 2 5-10 2
Summer Stress/Disease Prevention 5-10 Monthly 5-10 Monthly
Core Aerification 5-10 1-2 5-8 2
Overseeding 5
At Overseeding
30 Days Following
60 Days Following
At Overseeding
30 Days Following
60 Days Following
Dormant Feeding 10 Prior to Dormancy 10 Prior to Dormancy
Snow Mold 10-15 1 Late Season
1 Early Spring
10-15 1 Late Season
1 Early Spring

Guaranteed Analysis

Total Nitrogen (N) 10%
1.1% Ammoniacal Nitrogen
0.8% Urea Nitrogen*
3.4% Other Water Soluble Nitrogen*
4.7% Water Insoluble Nitrogen*
Available Phosphate (P2O5) 2%
Soluble Potash (K2O) 10%
Calcium (Ca) 1%
Sulfur (S) 5%
Iron (Fe) 2%

Total Plant Nutrition

Humic Acid  
Organic Matter 50%
pH 6.8
Carbon:Nitrogen (C:N) 4:1
Bulk Density lb./cu. ft 39
% of Total N as Slow Release 80%

Derived from aerobically composted turkey litter, ammonium sulfate, methylene urea, and sulfate of potash.
*8.1% slowly available nitrogen from aerobically composted turkey litter and methylene Urea

Available Particle Sizes:

  • Fine Grade, 100 SGN (1.4 mm - 0.6 mm)