Harrell's Granular Fertilizer Guide

COATING THICKNESS POLYON release longevity is dependent on the thickness of the polymer coating. As polymer coating thickness increases, longevity increases. POLYON coating thickness is controlled via a highly specific and tightly controlled manufacturing process.

Reactive-Layers Coating

POLYON Release Factors Effect of Coating Thickness

Nutrient release longevity increases as coating thickness increases

Polymer Coating Thickness

Effect of POLYON Coating Thickness on Nutrient Release at Constant 86° F

Effect of POLYON coating thickness on nutrient release. Percent release curves represent the release of POLYON 44-0-0, POLYON 43-0-0, and POLYON

42-0-0 when maintained at a constant temperature of 86F. A lower nitrogen analysis

WEEKS AFTER APPLICATION

indicates a thicker POLYON coating compared to a different POLYON

material. As POLYON coating thickness increases, release longevity increases.

POLYON 44-0-0

POLYON 43-0-0

POLYON 42-0-0

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