I have a small home orchard consisting of two cherry trees, one peach, two apple, one victoria plum, and one italian prune.

these trees were all ordered and planted at the same time three years ago. The largest of all of the trees is the victoria plum. I havent measured it, but if I had to guess I would say the central lead/branch is 10 ft. Yet this tree bears no fruit. A few of the other trees have just begun to bear a little fruit this year, one of the cherries, as well as the peach, and one of the apple trees, each set a small crop this year. So I am wondering about the plum?

Use, pro sul mag also called kmag at one cup per inch of diameter in the spring, march,and summer prune . Ray