Last year my gold sweet cherry crop was a total loss due to a black mold on all the cherries. What should I do this year to make sure I don't have the same problem?

Apply ordinary corn meal to the surface of the soil every month. I scatter a heaping handful under each of my plants (that I care about) on the first of every month (all 12).

Spray the leaves with compost tea every 2 weeks.

Spray the leaves with corn meal tea every 2 weeks.