Down To Earth OMRI Dolomite Lime - 5 lb. - supplies essential nutrients calcium and magnesium, and sweetens soil (raises the pH) to improve plant growth and maximize fertilizer performance. Magnesium is the element that causes plants to be able to convert light into energy. Natural limestone is ground into an ultra-fine powder and then formed into uniform mini granules (prills) for easy spreading and rapid reaction time. OMRI listed for organic gardening.
Ingredients: Calcium Magnesium Carbonate.
OMRI Listed (Organic Materials Review Institute)
CDFA Listed (Registered Organic Input Material)