What fertilizers can be used for mango trees?
If you are going to use commercial fertilizers, be very careful. Mango trees are very sensitive to too much fertilizer. A mango tree needs less fertilizer than the same area of a lawn. In fact it is recommended not to use chemical fertilizer at all on trees less than two years old. After that you can use a higher nitrogen blend such as 12-5-9 or 12-8-34 once a year at the rate of a level teaspoon per foot of tree height. Once the tree attains bearing age you can increase the phosphorus. Young trees do well with organics, such as compost, barnyard animal manures, or fish emulsion. They also all need a supply of trace minerals, especially iron.
