What is the reason why cherry trees don't bear fruit for two years?

The main reasons leading to cherry fruitlessness are as follows.

Insufficient nutrient storage of 1 tree leads to poor flower bud development and serious flower and fruit drop at flowering stage.

Persistent rainy weather or sudden low temperature at flowering stage lead to poor pollination and fertilization.

If there is no pollination tree, is your cherry a variety?

4. reasonable pruning.

Repeated coring of fruitless cherry trees and spraying plant growth inhibitors such as paclobutrazol on the leaves can effectively control the growth potential and promote the transformation of plants from vegetative growth to reproductive growth, thus promoting flower bud differentiation. Borax solution or foliar fertilizer imported from Italy-Fuli boron can be sprayed at flowering stage.