16-4-8 Root Zone Feeder Pack

Slow Release Fertilizer in Biodegradable Filter Paks


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The most convenient, fast and dose-controlled way to feed plants. 

No measuring, no special equipment, no waste. Your plants receive the even feed slow release nutrients over time as needed. The Suståne 16-4-8 Root Zone Feeder Packs feed plants up to 8 months.

Suståne 16-4-8 Root Zone Feeder Paks provide single dose applications of Suståne organic and controlled release fertilizers designed to provide long-lasting plant nutrition in a completely biodegradable paper filter pak. This product is designed to provide a continuous release of nutrients for up to 8 months at 70º F (23º C) soil temperature.

Suståne® 16•4•8 Root Zone Feeder Pak Benefits
  • For use in all flowers, trees, shrubs and perennials
  • Assures controlled dose applications
  • 50% Suståne® All Natural Compost Based Fertilizer
  • 50% coated 8-month Controlled Release Fertilizers
  • One application per plant per growing season
  • In permeable biodegradable paper filter packets

Feeder Pack Directions

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Potted Plants & Hanging Baskets: Install one Suståne Feeder Pak per 1-gallon pot inside root zone; two paks per 2-gallon pot; three per 3-gallon.

Landscape Plants: Place Feeder Paks into the root zone of trees, shrubs or other ornamental plants at planting time. Reapply once every 8 months during routine fertilization maintenance.

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Item # 
16-4-8 R.Z. FEEDER PAKS
 Package Size Units / Case Units / Pallet
80-50-2020
(50) 21 gram bages
 5 bags (5) / case
(250 paks per case)		 96 cases / pallet

GUARANTEED ANALYSIS

Total Nitrogen (N) 16%
0.2% Ammoniacal Nitrogen*
1.8% Nitrate Nitrogen*
2.6% Water Insoluble Nitrogen**
11.0% Urea Nitrogen*
0.4% Other Water Soluble Nitrogen
Available Phosphate (P2O5) 4%
Soluble Potash (K2O) 8%
Calcium (Ca) 2.75%
Magnesium (Mg) 0.75%
Sulfur (S) 1.00%
Iron (Fe) 0.25%
Manganese (Mn) 0.05%

Derived from aerobically composted turkey litter, polymer-coated urea, polymer coated potassium nitrate, polymer coated mono-ammonium phosphate, ureaform, hydrolyzed feather meal and sulfate of potash.
*12.7% controlled-release nitrogen derived from polymer-coated urea, polymer coated potassium nitrate and polymer coated mono-ammonium phosphate.
**2.6% slow-release nitrogen derived from aerobically composted turkey litter, ureaform, and hydrolyzed feather meal.