Harrell's Granular Fertilizer Guide

RAW MATERIALS The effectiveness of any granular fertilizer blend depends on the quality and composition of its raw materials. Each component plays a specific role in supporting plant health, soil enrichment, and nutrient availability. The chart below provides a breakdown of the key raw materials commonly used in granular fertilizers.

NITROGEN Raw Material

N P K Ca Mg S Fe Mn B Cu Mo Zn Granular

Mini

Micro

Activated Sludge - Biolsolids

5

4

1.25

Ammonium Sulphate

21

24

Calcium Nitrate

15.5

19

Crystal Green

5

28

10

Di-Ammonium Phosphate Methylene DiUrea 40-0-0

18 46

40

Milorganite

6

2

1.2

4

Mono-Ammonium Phosphate Mono-Ammonium Phosphate

10 40 11 52

Nature Safe 5-6-6 Nature Safe 8-3-5 Nature Safe 13-0-0

5 8

6 6 5 1.5 4 3 5 3 2.2 4

13 41 42 43

1.25

POLYON 41 POLYON 42 POLYON 43 POLYON 43.5

43.5

POLYON 44

44

POLYON Mono-Ammonium Phosphate POLYON Super K 10-12 Mo

10 48

11 11 46 46 46 39 38 21 40 22 21

43 43

Potassium Nitrate

UFLEXX UMAXX

Urea

Urea Formaldehyde Urea Formaldehyde

Yara 21-7-14 Yara AMIDAS

7 14

5.1 5.5

Yara NK GREEN Yara Turf Royale

12

7 14

5.1

*Colored boxes within the Granular, Mini, and Micro columns indicate the material in the same row is an option for custom fertilizer blending.

Not all materials are available in every market or geography. Please contact your local Harrell’s rep to understand what is available.

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