This document discusses organic fertilizers for avocado cultivation. It describes different types of organic fertilizers commonly used, including compost, vermicompost, bokashi, animal bedding, manure, pruning waste, green manures, crop residues, compost tea, and leachate. It focuses on compost, explaining what it is, its components, the composting process, and benefits of using compost in soils. It also discusses calculating the appropriate amount of compost to apply based on desired increases in organic matter or nutrient levels like nitrogen. Companion crops that fix nitrogen like alfalfa are also covered.