Sigma 12-2-6 Bio

With Value-Added Biologicals

A two-to-one ratio high-performance dry blended fertilizer. Contains Sigma’s base fertilizer comprised of 100% organic ingredients including beneficial biologicals dry blended with several ingredients including polymer-coated sulfur-coated urea into a heterogeneous mixture. A slow-release fertilizer providing gradual, steady nutritional uptake for up to 10 weeks of plant response. Between the enhancement of organic carbon and humic acids, this fertilizer is proven to enhance plant growth and sustainability. Excellent for golf fairways and other turf and landscape applications.

Available Packaging:

50Lb.Poly Bag (22.68 KG) 2000 Lb.Totes (907 KG) Bulk Load

Guaranteed Analysis

Total Nitrogen (N) 12.0%
10.8% Water Soluble Nitrogen
1.2% Water Insoluble Nitrogen*
Available Phosphate (P2O5) 2.0%
Soluble Potash (K2O) 6.0%
Magnesium (Mg) 5.0%
Sulfur (S) 4.0%
4.0% Combined Sulfur (S)
Iron (Fe) 0.3%
0.3% Soluble Iron (Fe)

Derived from composted poultry manure, urea, polymer coated sulfur coated urea, potassium magnesium sulfate, copper oxide, iron sulfate, iron oxide, manganese sulfate, manganese oxide, zinc sulfate, zinc oxide and sulfate of potash.

*10.8% Slow release nitrogen from polymer coated sulfur coated urea and poultry manure.

Humic Acids 3.0%
Beneficial Bacteria 2,800,000 CFU/Lb
Endomycorrhizae 6.2 Prop/Lb.
Trichoderma 480,000 CFU/Lb

Also available without BIO Package (beneficial bacteria, endomycorrhizae, trichoderma)

Application Rates



Medium: 6.25 lb. / 1000 sq ft. (0.75 lb. N)


High: 8.25 lb. / 1000 sq ft.(1.0 lb. N)

Golf Course

Low Rate:

4.25 lb. / 1000 sq ft.(0.50 lb. N)

Medium Rate:

6.25 lb. / 1000 sq ft. (0.75 lb. N)

High Rate:

8.25 lb. / 1000 sq ft. (1.0 lb. N)

Slow Release Formula

Specially formulated with XCU® polymercoated sulfur-coated urea. This advanced dual coating technology results in a slow-release fertilizer providing gradual, steady nutritional uptake for up to 10 weeks of plant response. Combined with organic granules enhanced with humate, biologicals and micronutrients; this professional fertilizer is loaded for performance.

Widely used by superintendents, LCOs, municipal turf managers and professional landscapers to economically and efficiently promote a plant response of health, growth and color for up to 10 weeks per application.

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