Overview information chelated minerals are minerals that have been combined chemically with amino acids to form “complexes.” you will see products labeled as chelated boron, chelated Boron fertilizers, fertilizers which are within the trace element boron. it is an important micronutrient source for plants. it is an important micronutrient source for plants. liquid and produced in powder form. Each of the ligands (table 1) can form a chelated fertilizer with one or more micronutrients. the effectiveness and efficiency of a particular chelated fertilizer depends on the ph of the plant growth medium. the ligands edta, dtpa, and eddha are often used in chelated fertilizers Chelated micronutrients from soil service are trace elements that can be applied with starter fertilizer or foliar fertilizer. chelated trace elements help you achieve your production goals by providing the optimum nutrient availability.