Sigma 5-3-2 Bio | American Plant Food

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Sigma 5-3-2 Bio

Overview

American Plant Food now offers Sigma 5-3-2 Bio with added biologicals. Derived from composted poultry manure and non-plant food ingredients like humate, silica, and root-dwelling microorganisms, this 100% organic fertilizer is designed for slow release, providing gradual nutrient uptake for up to 10 weeks. This product is ideal for golf courses and other landscape applications.

Best For

Vegetables

Ornamentals

Turf

Trees and palm

Golf courses

Application Instructions

Vegetables
- Low rate: (e.g., peas, beans)
  Incorporate 1,000 lbs. per acre 2–3 weeks prior to planting.
- Medium rate: (e.g., asparagus, beet, carrot, melon, pepper, cauliflower, broccoli, brussels sprout, and celery)
  Incorporate 1,800 lbs. per acre 2–3 weeks prior to planting.
- High rate: (e.g., onion, sweet corn, potato, tomato)
  Incorporate 2,000 lbs. per acre 2–3 weeks prior to planting.

Ornamentals
- Low rate: (for heavy substrates with porosity < 60%)
  Incorporation: 30 lbs. per cubic yard of media
  Landscape: 49 lbs. per 1,000 sq. ft.
- Medium rate: (for most nursery stock and foliage plants)
  Incorporation: 45 lbs. per cubic yard of media
  Landscape: 86 lbs. per 1,000 sq. ft.
- High rate: (for light substrates with porosity > 80%)
  Incorporation: 56 lbs. per cubic yard of media
  Landscape: 124 lbs. per 1,000 sq. ft.

Turf
- Natural
  Medium: 19 lbs. per 1,000 sq. ft. (0.75 lb. N)
- Lawns
  High: 25 lbs. per 1,000 sq. ft. (1.0 lb. N)

Trees and Palms
- Rate based on 1 in. of trunk diameter (caliper). Example: For 10 in. trunk diameter (caliper), multiply label rate by 10.
- Incorporation: Mix with soil in bottom of holes prior to transplanting. Apply 6 lbs. at transplanting.
- Broadcast: Apply 12 lbs. at transplanting.

Golf Courses
- Low rate: 12.5 lbs. per 1,000 sq. ft. (0.50 lb. N)
- Medium rate: 19 lbs. per 1,000 sq. ft. (0.75 lb. N)
- High rate: 25 lbs. per 1,000 sq. ft. (1.0 lb. N)