33 



old one. And one great reason why such old trees as we are now 

 considering (tall, overgrown ones) are not profitable is that they are 

 so tall that every operation — pruning, spraying, picking, etc. — is 



Fig. 2. — Trunk injured by cold. Such trees are not worth renovating. 



four or five times as costly as with lower trees. So it is absolutely 

 essential to get thenn down nearer the ground if they are ever to be 

 made profitable. On the other hand, if the trees are reasonably low 

 the pruning may consist largely in thinning the top throughout, begin- 

 ning, of course, with the dead branches, and then taking enough live 



