PREDICTING NUTRIENT RELEASE WITH THE POLYGRAPH ®
TURFGRASS: GOLF COURSE Harrell’s proprietary POLYOGRAPH technology is the ultimate granular fertilizer planning tool for agronomic programs. POLYGRAPH accurately predicts weekly nutrient release based on the ingredients of a fertilizer blend, application date, application rate, and geographic location.
NITROGEN CALCULATIONS
Charlotte, North Carolina United States
Charlotte , North Carolina
INPUTS
OUTPUTS
NITROGEN THRESHOLD
PLANT RESPONSE
Product List Custom Fertilizer Analysis (%) 30 0
Quick Release (%):
0
lbs N / 1000 ft² / week
Warm Season Turfgrass
Average release/week:
0.1
10
0.15
Maximum Growth
Particle Size Regular Polyon Grade 43 0
0.12
Optimal Growth
Product longevity (weeks):
15
0.09
Greening Effect
0
0
Polyon % 100
0.06
Hold Color
Product spread rate:
217.80 (lbs/acre) 5 (lbs/1000 ft²)
0
0
0
0.04
Minimal Growth
Nitrogen Application Rate lbs N / 1000 ft²
1.5
Grass Type: Warm Season
App Date 04/14/25
Total tons needed:
3.27
Acres to Treat 30 Temperature Correction 0 F
# of 50 lb bags needed:
130.68
Harrell’s and the Harrell’s logo are trademarks of Harrell’s LLC, POLYON®, the POLYON logo, POLYGRAPH® and the POLYGRAPH logo are trade marks of Harrell’s Coatings Solutions LLC in the United States and may be registered in other countries. ©2019, Harrell’s LLC
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