Prices start at : 26.95 USD / 1 GAL 18 to 24"
An example would be 10-10-10 or 12-4-8. Many times, less expensive fertilizers are sold that contain only the major elements needed, but not the minor elements. Elements such as Magnesium, Sulfur, Calcium, Iron, Manganese, Copper, Zinc, Boron, and Molybdenum...