Harrell's Granular Fertilizer Guide

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

0

Quick Release (%):

lbs N / 1000 ft² / week

Warm Season Turfgrass

0.1

Average release/week:

10

0.15

Maximum Growth

Particle Size Regular Polyon Grade 43 0

0.12

Optimal Growth

15

Product longevity (weeks):

0.09

Greening Effect

0

0

Polyon % 100

0.06

Hold Color

217.80 (lbs/acre) 5 (lbs/1000 ft²)

Product spread rate:

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

3.27

Total tons needed:

Acres to Treat 30 Temperature Correction 0 F

130.68

# of 50 lb bags needed:

Harrellʼs and the Harrellʼs logo are trademarks of Harrellʼs LLC, POLYON®, the POLYON logo, POLYGRAPH® and the POLYGRAPH logo are trade marks of Harrellʼs Coatings Solutions LLC in the United States and may be registered in other countries. ©2019, Harrellʼs LLC

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