Magnesium Oxide for Agricultural Applications

Martin Marietta provides magnesium oxide for use in agricultural applications.

CropMag® is a high purity agricultural grade magnesium oxide that provides a source of magnesium as a nutrient. CropMag is useful in correcting magnesium deficiencies in a wide variety of soils and crops.

FormulationDescriptionApplication
CropMag 58Granular, high purityCrop and soil supplement
CropMag 200High purity, plant foodLiquid suspension fertilizer mixes

For more information regarding your application or to place an order, please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, Email Us with your questions.