Certified GKH Gardening Expert
Yield is directly related to seed or hybrid plant selection, comprehensive plant health care including appropriate species selection for the climate and the site conditions, compatible plantings, soil fertility and water management.
If you are growing commercially, then soil analysis and prescription amendments based on actual deficiencies found will be a good investment and essential for soil fertility management, pest and disease resistance, yield, size and taste.
A local university/county agricultural extension service can be a good resource.
General requirements for A. reticulata are similar to other species of the Annona genus, with some tips in these articles.