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Description

Suståne 16-4-8 was developed as a combination fertilizer to provide nursery stock with a time-released 4-1-2 nutrient package blended with a 50% Suståne humus-rich, premium natural base. Suståne 16-4-8 Nursery Fertilizer is available in both 180-day and 120-day release profiles to meet the needs of your production cycle. Suståne 16-4-8 Nursery Fertilizer is derived from aerobically composted turkey litter, polymer-coated urea, polymer-coated MAP, and polymer-coated potassium nitrate.

Recommended Use

Suståne 16-4-8 is perfect for the production of perennials and woody ornamentals. Nursery producers can use Suståne 16-4-8 to grow beautiful Azalea, Holly, Weigelia, Crape Myrtle, Cotoneaster, Boxwood, Spiraea, Salvia, Hibiscus, and Daylily.

Benefits of Suståne 16-4-8

  • Rich in humic acids
  • Increases the nutrient and water holding capacity of the soil
  • Strengthens plants tolerance against hot dry conditions
  • Promotes greater root development
  • Improves buffering against changes in soil pH
  • Increases the soil’s ability to suppress plant pathogens
  • Increases soil porosity and stability for greater root development and water holding capacity

Container Topdressing Application Rates in Grams
CONTAINER SIZE

RATE

5” Std.
(12.7 cm)

6” Std.
(15 cm)

1 gallon
(3.8 L)

2 gallon
(7.6 L)

3 gallon
(11.4 L)

5 gallon
(19 L)

7 gallon

(26.5 L)

10 gallon

(37.9 L)

15 gallon
(56.8 L)

Low

5

8

12

26

46

74

105

128

137

Med

7

12

19

40

69

111

158

191

205

High

10

17

26

55

97

155

221

268

287
Container Mix & Landscape Application Rates
Container Mix Rates by Volume
   lb. per cubic yard    kg per cubic meter
Low Med High Low Med High
 5 9 12.5 3.0 5.3 7.4
Landscape Application Rates by Area
   lb. per 1,000 square feet kg per 100 square meter
Low Med High Low Med High
10 18 24 4.9 8.7 11.7

Low Rate: Recommended for salt sensitive species; when concurrent with liquid feed; with production systems utilizing low leaching fractions (less than 10%); and when applied to heavy potting substrates (total porosity less than 65%).

Medium Rate: Recommended for use on medium feeding species; on most nursery stock and foliage plants; and when liquid feed is not performed.

High Rate: Recommended for use on heavy feeding species; with production systems utilizing high leaching fractions (greater than 20%); and when applied to light, porous substrates (total porosity greater than 80%).

Item # 
Suståne 16-4-8 180-Day		 Package Size Units / Pallets
MEDIUM GRADE 200 SGN 
(2.8 - 1.4 mm) 
50-55-1111 
50-55-1151
50-55-1175 (international)
50 lb. bags
1-ton tote 
22.7 kg bags 
 40 bags / pallet
1 tote / pallet
44 bags / ISPM pallet 
16-4-8 Bulk Density

bulkdensity16 4 8 180day

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.