
Sigma 4-4-4 Bio Fine Grade
With Value-Added Biologicals
This premium grade micro granular fertilizer has a size grade number of 110 and contains only 100% organic nutrientrich ingredients infused with value added biologicals. Recommended for spring and fall aeration recovery, midsummer stress management, winter dormant feeding, cool season over-seeding nutrition, and warm season transition.

Available Packaging:
2000 LB. TOTES (907 KG), 50 LB. POLYETHYLENE BAGS (22.68 KG), OR BULK LOAD
PDFs:
Guaranteed Analysis
Total Nitrogen (N) | 4.0% | ||
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Available Phosphate (P2O5) | 4.0% | ||
Soluable Potash (K2O) | 4.0% | ||
Calcium (Ca) | 9.0% | ||
Iron (Fe) | 0.2% |
Derived from composted poultry manure, feather meal, sulfate of potash.
* 3.36% slowly available water insoluble nitrogen from composted poultry manure and feather meal.
ALSO CONTAINS NON-PLANT FOOD INGREDIENTS
5% Humate
Contains 11.3 Million Total Bacillus Bacteria Colony Forming Units (CFU's) per Lb.
Bacillus subtillus | 4.17 x 103 CFU's/gm |
Bacillus amyloliquefaciens | 4.17 x 103 CFU's/gm |
Bacillus laterosporus | 8.35 x 103 CFU's/gm |
Bacillus licheniformis | 4.17 x 103 CFU's/gm |
Bacillus mojavensis | 4.17 x 103 CFU's/gm |
Contains 72.57 Total Mycorrhizal Fungi Propagules per Lb.
Glomus Aggregotum | 0.04 Propagules/gm |
Glomus Intradices | 0.04 Propagules/gm |
Glomus Mosseae | 0.04 Propagules/gm |
Glomus Etunicatum | 0.04 Propagules/gm |
Contains 1.13 million total Trichoderma Colony Forming Units (CFU's) per Lb.
Trichoderma harzianum | 1.0 x 103 CFU's/gm |
Trichoderma koningii | 1.5 x 103 CFU's/gm |
Application Rates
Turf
Natural:
Medium: 19 lb. / 1000 sq ft. (0.75 lb. N)
Lawns:
High: 25 lb. / 1000 sq ft.(1.0 lb. N)
Golf Course
Low Rate:
12.5 lb. / 1000 sq ft.(0.50 lb. N)
Medium Rate:
19 lb. / 1000 sq ft. (0.75 lb. N)
High Rate:
25 lb. / 1000 sq ft. (1.0 lb. N)
Vegetable
Low Rate:
(Examples - peas, beans) Incorporate 1000 lb. per acre 2-3 weeks prior to planting.
Medium Rate:
(Examples - asparagus, beet, carrot, melon, pepper, cauliflower, broccoli, brussels sprouts, and celery) Incorporate 2500 lb. per acre 2-3 weeks prior to planting.
High Rate:
(Examples - onion, sweet corn, potato, tomato) Apply 2500 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.
Incorporation:
Mix with soil in bottom of holes priorto transplanting. Apply 6.0 lb. at Transplanting.
Broadcast:
Apply 12.0 lb. at Transplanting.
Ornamentals
Low Rate:
(for heavy substrates with porosity < 60%)
Incorporation:
30 lb. per cubic yard of media
Landscape:
49 lb. per 1000 sq. ft.
Medium Rate:
(for most nursery stock and foliage plants)
Incorporation:
45 lb. per cubic yard of media
Landscape:
86 lb. per 1000 sq. ft.
High Rate:
(for light substrates with porosity > 80%)
Incorporation:
56 lb. per cubic yard of media
Landscape:
124 lb. per 1000 sq. ft.
Container Sizes
1 Gallon: | |
Low Rate: 56 grams | High Rate: 112 grams |
2 Gallon: | |
Low Rate: 112 grams | High Rate: 225 grams |
3 Gallon: | |
Low Rate: 169 grams | High Rate: 356 grams |
5 Gallon: | |
Low Rate: 225 grams | High Rate: 488 grams |
7 Gallon: | |
Low Rate: 338 grams | High Rate: 731 grams |
10 Gallon: | |
Low Rate: 413 grams | High Rate: 881 grams |
15 Gallon: | |
Low Rate: 450 grams | High Rate: 938 grams |