K-MAG fertilizer, langbeinite, potassium magnesium sulfate, and double sulfate of potash and magnesium all refer to the unique 3-in-1 combination of highly available sulfur, potassium and magnesium source. Present in the water-soluble sulfate form, these three plant nutrients are essential for plant growth and are vital to profitable crop production.
©2009 The Mosaic Company. All Rights Reserved