Fertilome (Chelated) Liquid Iron 16 oz concentrate Copper: 0.05% Iron 3.25% Soluble Manganese 0.15% Zinc 0.16% A chelated nutritional spray formulated to offer quick, economical and easy correction of iron deficiency (yellowing of foliage) and other nutrient deficiencies in potted plants, shrubs, lawns, citrus, shade trees, flowers and vegetables. Application Rates: Shrubs and Citrus Trees (including Avocados and Mangoes): As a foliar spray, apply 1 tablespoon per gallon and thoroughly cover all leaf surfaces with the diluted spray. As a soil application, apply 1-16 ounces per gallon depending on size of citrus tree or shrub. Email us for specific questions. As an example: For plants under 2 ft high, use 2 tablespoons per gallon of water. For plants taller than 5 ft, use 1-2 cups per gallon of water. And thoroughly soak the area with clean water after the iron treatment. This will help the plant to uptake the nutrients better/faster. Lawns and Trees: Apply 1 pint per every 500 sq. ft. Any diluted method of application will work. Flowers and Vegetables: As a foliar spray, apply 1 tablespoon per gallon and thoroughly cover all leaf surfaces with the diluted spray. As a soil application, cultivate the ground lightly and apply 2 tablespoons per gallon of water to 10 sq. ft. Soak the area thoroughly with clean water after the iron treatment. Potted Plants: Mix half teaspoon per quart of water. Apply 1 cup of mixture per 6 inch of pot. Repeat monthly until plants regain their color. We will combine shipping whenever possible. If you would like to know the shipping charges before paying for your combined order, please choose the “Request Invoice” option during checkout (or “Commit To Buy” without actually paying). Shoot us an email if you need assistance. Thanks for visiting my store. We are here to help you with all of your gardening needs. Please email us with any questions or concerns.