b2b b2c infomations

First, make sure you have two compatible varieties of trees for cross-pollination if necessary.
second, Make sure that the trees get as much sun as possible. A tree in partial or full shade will not bear half the fruit that a tree in full sun will.
The tree should also be watered deeply a couple times a year and fertilized. They sell “fertilizer spikes” specifically made for fruit trees, use them.
Also consider a device to keep squirells away. They seem to like to visit my fruit trees.