The height of the trunk usually depends on the whims of the pruner.
The pruner should not only know why he prunes, but how the work should be done.
Pruner of coconut trees, sir, and servant of my mother-in-law.
The pruner should leave enough spurs to supply all the fruit buds that the vine can utilize.
The pruner may take his choice between several styles of hand pruning-shears ...