The K-Mag Story
From natural ore beds deep beneath the earth's surface, K-Mag® is a unique source of properly balanced potassium (K), magnesium (Mg) and sulfur (S) in a highly available water-soluble form.

Here you'll find information to increase crop quality and overall performance which requires a complete and balanced soil fertility program that includes K-Mag.

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The Mosaic Company’s flagship resource helping growers and retailers better understand the importance of balanced soil fertility.

K-Mag: 75 Year Anniversary

75 Year Anniversary
This year, we’re celebrating K-Mag’s 75th Anniversary. Take a look back at K-Mag’s history, including its logo evolution, in our flip book.

The K-Mag Story

The Mosaic Company presents: The K-Mag Story