Fertilization
You can read more in Ch. 2 Avocado Fertilization
Avocado Fertilization Presentations can be found here: Avocado Fertilization
Additional information about nutrients can be found here : Avocado Nutrients
Mulching for Avocados and Citrus: Mulch on Avocados & Citrus
§ Avocados have few mineral deficiencies
§ Surface feeder roots are efficient at recycling nutrients back into the tree
§ Nitrogen should be applied every year, occasionally zinc and sometimes phosphorus, potassium and calcium (maybe)
§ Leaf analysis is normally used to determine mineral deficiency or excess
§ Liquid fertilizer injection is the normal way to apply fertilizers