The application rate for trees using Fertilome Chelated Iron EDDHA 6% Water Soluble states, "Trees (Including Fruit, Nut and Citrus): Use 1 to 4 Tbsp per one inch of trunk diameter (measured at 3 to 4 feet) and water immediately. Apply at the drip line." This product is not labeled for injection d…
Read Full Answer »We do not recommend that you tank mix Fertilome Chelated Iron EDDHA 6% Water Soluble with any herbicides. The product label indicates to apply 2-4 oz per gallon of water per 500 square feet, and then to water in immediately after application. If you were to use a post-emergent herbicide with that a…
Read Full Answer »Fertilome Chelated Iron EDDHA 6% Water Soluble is not an Ortho product.