K-Mag - The Premium Fertilizer
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K- Mag PREMIUM
 

High Performance Fertilizer

K-Mag® PREMIUM supplies three vital plant nutrients — potassium, magnesium and sulfur (21.5% K20, 10.5% Mg and 21% S). It is a homogeneous, granulated, premium fertilizer primarily used as a raw material in bulk blend fertilizers. It offers many benefits compared to GRANULAR, including less abrasiveness, lower bulk density, more uniform particle size and a larger SGN number, which makes it more compatible with other blended fertilizer materials.

Its maximum chloride content is less than 2.5 percent, minimizing the potential for fertilizer "burn." It is widely used on sensitive vegetable and fruit crops that require high fertilization rates, but do not tolerate high levels of chloride or soluble salts. K-Mag PREMIUM has a typical SGN of 265 and is often used as a source of potassium, magnesium and sulfur in high-quality bulk blend formulas (NPK+Mg+S). This product also offers an improved rate of solubility compared to traditional K-Mag GRANULAR, which makes it an ideal material for short-cycle annual crops, such as corn, melons, and potatoes.

Agronomics

Potassium is required for the uptake of nitrogen and synthesis of protein and starch. It also helps activate more than sixty enzymes, making them available to stimulate other chemical processes within the plant. Adequate potassium is essential for fruit formation, optimum yields and high quality.

Magnesium activates a large number of enzymes in the plant and is also required for the synthesis of chlorophyll - the vital green pigment necessary for sugar manufacturing in plants.

Sulfur activates a number of enzymes, is vital to the formation of amino acids, is crucial in the production of protein and is especially important to plants with high oil content.

CHEMICAL ANALYSIS
Component
Symbol
Typical (%)
Guarantee (%)
Potassium Oxide Equivalent
K2O
21.7
21.5 min.
Potassium
K
18.0
Sodium Na 0.5
Calcium Ca 0.3
Magnesium
Mg
10.6
10.5 min.
Sulfur
S
21.2
21.0 min.
Chloride
Cl
2.3
2.5 max.

PHYSICAL PROPERTIES
TYPICAL
Bulk Density (Loose)
- lb/cu foot
80
- kg/cu meter
1281
Angle of repose (degrees)
30

OTHER SIZING CHARACTERISTICS

Parameter Typical
Size Guide Number (SGN) 265
Uniformity Index (UI) 55

PARTICLE SIZE DISTRIBUTION CUMULATIVE %
Tyler Mesh
U.S. Mesh
Opening (mm.)
Typical Range
(% cum.)
Typical
(% cum.)
6
6
3.350
10-20
15
8
8
2.360
70-80
75
10
12
1.700
97-99
98
14
16
1.180
98-99
99
20
20
0.850
98-100
99

Product analyses are typical as tested on a composite sample. Grab samples or individual shipment analyses may vary from typical values. Handling and transportation may affect analysis of the delivered product.
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