Southern Ag Chelated Liquid Iron Catalog Outdoor, Lawn & Garden Gardening Southern Ag Chelated Liquid Iron Manufacturer : Southern Ag Description • Corrects Iron deficiency in flowers, vegetables, shrubs & trees. • Also, use in the lawns for a deep, rich green color. CONTAINS: Iron 5%.USE ON: Flowers, shrubs, trees, vegetables and lawns. CONTROLS: Iron deficiency (yellowing foliage) RATE: Foliar: 1 tablespoon per gallon.Soil Drench: 1 oz. per 100 sq. ft. Lawns: 1 pint per 1000 sq. ft. APPLICATION: Mix with water. Apply as a drenching spray. Rates Please contact us for current pricing and availability.