LINK® Mg4 is a foliar fertilizer designed to enhance leaf uptake of magnesium and sulfur, and aid in rapid response to these nutrients when applied according to this label. Nutrients contained in LINK Mg4 are readily available when applied to plant foliage or directly to the soil. LINK Mg4 contains magnesium, an essential component of chlorophyll and in the activation of several plant enzyme systems involved in photosynthesis. LINK Mg4 is designed primarily for foliar applications to prevent or correct magnesium and sulfur deficiencies in turf and a wide range of ornamental plants. LINK Mg4 should be used as part of a comprehensive Total Nutrition System® for optimizing plant growth, development and quality.