We have formulated this special Citrus feed to deliver the correct year-round balance of both major nutrients like nitrogen, potassium and phosphorous, as well as all the essential micronutrients that citrus are so needy of, like magnesium and boron. This high potency feed is easily made up in a watering can or small container, using the scoop provided, and will last for well over a year on 2 of our citrus trees. Total Nitrogen (N) ........................... 18%    Nitric Nitrogen (N) ...................... 5.0%    Ammoniacal Nitrogen (N) ......... 3.6%    Ureic Nitrogen (N) ...................... 9.4%Phosphorus Pentoxide (P2O5)Soluble in neutral ammoniumcitrate and water .......... 18% (7.8%P)Phosphorus Pentoxide (P2O5)Soluble in water ..........  18% (7.8%P)Potassium Oxide (K2O)Soluble in water ......... 18% (14.9%K)Magnesium Oxide (MgO)Soluble in water ........... 2% (1.2%Mg)Iron (Fe) chelated by EDTA 0.200%Manganese (Mn)  0.020%Boron (B)  0.020%Zinc (Zn)  0.050%Copper (Cu)