SANCTUARY MICRO TURF ME is a blend of essential micronutrients for turfgrass growth. This patented product encapsulates the iron, manganese, zinc, and copper into an energy rich carbohydrate known as a polysaccharide. This product has foliar absorption and soil microbial release characteristics that enhance turf uptake. These polysaccharide bonds protect the release of the micronutrients into the soil system.