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Terra Elemental
Sigma 8-5-1 Bio 50 lb bag OMRI LISTED

Large Grade

Sigma 8-5-1 Bio

With Value-Added Biologicals

8%

Nitrogen N

5%

Phosphate P₂O₅

1%

Potash K₂O

Sigma's exclusive non-manure formula: an all-organic granular fertilizer made entirely from high-quality animal proteins, including meat, bone and blood meal. Designed for any application that needs higher nitrogen, it is enhanced with organic carbon minerals and humic acids for sustained, healthy growth, and releases nutrition slowly and completely over 8 to 12 weeks.

Available packaging

  • 50 lb poly bag (22.68 kg)
  • 2,000 lb tote (907 kg)
  • Bulk load

Guaranteed analysis

Total Nitrogen (N)8.0%
↳ Water Soluble Nitrogen1.25%
↳ Water Insoluble Nitrogen6.75%
Available Phosphate (P2O5)5.0%
Soluble Potash (K2O)1.0%
Calcium (Ca)5.0%

Derived from meat and bone meal

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

Value-added biologicals

Humic Acids3.0%
Beneficial Bacteria2,800,000 CFU/Lb
Endomycorrhizae6.2 Prop/Lb.
Trichoderma480,000 CFU/Lb

Beneficial bacteria, endomycorrhizae and Trichoderma are granulated into a microbial food source so they establish quickly in the root zone. Full species counts are listed on the product label.

Application rates

Manufacturer-recommended rates. Always follow the product label, and contact us for a program tailored to your sites.

Turf

Natural
Medium: 9 lb. / 1000 sq ft. (0.75 lb. N)
Lawns
High: 12 lb. / 1000 sq ft.(1.0 lb. N)

Golf Course

Low Rate
6 lb. / 1000 sq ft.(0.50 lb. N)
Medium Rate
9 lb. / 1000 sq ft. (0.75 lb. N)
High Rate
12 lb. / 1000 sq ft. (1.0 lb. N)

Vegetable

Low Rate
Examples - peas, beans) Incorporate 300 lb.per acre 2-3 weeks prior to planting.
Medium Rate
(Examples - asparagus, beet, carrot, melon, pepper, cauliflower, broccoli, brussels sprout, and celery) Incorporate 950 lb. per acre 2-3 weeks prior to planting.
High Rate
(Examples - onion, sweet corn, potato, tomato) Incorporate 950 lb. per acre 2-3 weeks prior to planting.

Tree & Palm

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

Incorporation
Mix with soil in bottom of holes prior to transplanting. Apply 3 lb. at Transplanting.
Broadcast
Apply 6.0 lb. at Transplanting.

Ornamentals

Low Rate
(for heavy substrates with porosity < 50%)
Incorporation
14 lb. per cubic yard of media
Landscape
24 lb. per 1000 sq. ft.
Medium Rate
(for most nursery stock and foliage plants)
Incorporation
22 lb. per cubic yard of media
Landscape
41 lb. per 1000 sq. ft.
High Rate
(for light substrates with porosity > 67%)
Incorporation
27 lb. per cubic yard of media
Landscape
59 lb. per 1000 sq. ft.

Container sizes

PotLow rateHigh rate
1 Gallon27 grams54 grams
2 Gallon54 grams108 grams
3 Gallon81 grams171 grams
5 Gallon108 grams234 grams
7 Gallon162 grams351 grams
10 Gallon198 grams423 grams
15 Gallon216 grams449 grams

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Planning next season's program?

Tell us about your sites and acreage. We'll recommend products and rates, send labels and SDS sheets for your files, and put together a formal quote.