Sigma 6-2-6 Bio

With Value-Added Biologicals

Made with 100% organic and natural ingredients. This fertilizer is intended for applications requiring higher Nitrogen and Potash needs with just the right amount of Phosphorus. Sigma 6-2-6 Bio contains beneficial microbes that are granulated into a microbial food source for rapid nutrient cycling. Higher nitrogen, lower phosphorus, and enhanced carbon intake make this multi-purpose fertilizer beneficial anywhere nutrients and biology are needed. Potash is added for stem and root development on leafy vegetables, fruit and textile crops.

Available Packaging:

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

Guaranteed Analysis

Total Nitrogen (N) 6.0%
0.79% Water Soluble Nitrogen
3.36% Water Insoluble Nitrogen
Available Phosphate (P2O5) 2.0%
Soluble Potash (K2O) 6.0%
Calcium (Ca) 5.0%
Iron (Fe) 0.2%

Derived from processed poultry manure and bone meal.

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: 12.5 lb. / 1000 sq ft. (0.75 lb. N)


High: 17 lb. / 1000 sq ft.(1.0 lb. N)

Golf Course

Low Rate:

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

Medium Rate:

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

High Rate:

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


Low Rate:

(Examples - peas, beans) Incorporate 650 lb. at planting or per organic certification rules.

Medium Rate:

(Examples - asparagus, beet, carrot, melon, pepper, cauliflower, broccoli, brussels sprouts, and celery) Incorporate 1300 lb. per acre at planting or per organic certification rules.

High Rate:

(Examples - onion, sweet corn, potato, tomato) Apply 1300 lb. per acre at planting then broadcast or band additional fertilizer after plants are well established or per organic certification rules.

Tree & Palm

Rate based on 1” of trunk diameter (caliper). Example: for 10” trunk diameter (caliper) multiply label rate by 10


Mix with soil in bottom of holes priorto transplanting. Apply 4.0 lb. at Transplanting.


Apply 8.0 lb. at Transplanting.


Low Rate:

(for heavy substrates with porosity < 60%)


20 lb. per cubic yard of media


33 lb. per 1000 sq. ft.

Medium Rate:

(for most nursery stock and foliage plants)


30 lb. per cubic yard of media


58 lb. per 1000 sq. ft.

High Rate:

(for light substrates with porosity > 80%)


38 lb. per cubic yard of media


82 lb. per 1000 sq. ft.

Container Sizes

1 Gallon:  
Low Rate: 40 grams High Rate: 75 grams
2 Gallon:  
Low Rate: 75 grams High Rate: 150 grams
3 Gallon:  
Low Rate: 115 grams High Rate: 240 grams
5 Gallon:  
Low Rate: 150 grams High Rate: 325 grams
7 Gallon:  
Low Rate: 225 grams High Rate: 490 grams
10 Gallon:  
Low Rate: 275 grams High Rate: 590 grams
15 Gallon:  
Low Rate: 300 grams High Rate: 625 grams
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