 | Hi-Yield Iron Plus Soil Acidifier. Formulation: nitrogen, sulfur, and iron Contains a palletized material that will turn yellow plants and grasses green fast Will not burn when used as directed Lawns: consult label for alkalinity Shrubs: 4 tablespoons per average shrub in top 2-4 inches of soil Trees: 12 tablespoons for trees up to 3 inches in trunk diameter; equally applied in holes 10 to 12 inches deep around the drip line of tree... - Hi-Yield Iron Plus Soil Acidifier. |