
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 nutrient rich ingredients infused with value added biologicals. Both humic acids and microroganism development work to strength plant's roots for greater absorption of water and disease-fighting elements. Recommended for spring and fall aeration recovery, midsummer stress management, winter dormant feeding, cool season over-seeding nutrition, and warm season transition.

Available Packaging:
50Lb.Poly Bag (22.68 KG) 2000 Lb.Totes (907 KG) Bulk Load
Guaranteed Analysis
Total Nitrogen (N) | 4.0% | ||||
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Available Phosphate (P2O5) | 4.0% | ||||
Soluble Potash (K2O) | 4.0% | ||||
Calcium (Ca) | 9.0% | ||||
Iron (Fe) | 0.2% |
Derived from Processed Poultry manure, bone meal, feather meal and sulphate of potash.
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
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 |