68 



Peach-Growing 



last form, "f up" means a tree having a diameter of trunk 

 of f inch or more. Still another method is when the height 

 of the different grades overlaps, as 4 to 5 feet, 4| to 6 feet, 

 5 to 7 feet, these terms being equivalent to small, medium, 



Fig. 3. 



Different grades of nursery stock : A, 3 to 4 foot, B, 4 to 

 5 foot, C, 5 to 7 foot grades. 



large. These grade designations are based on caliper as 

 well as height, though the caliper is not stated. Thus, a 

 tree 6 feet high, if it has sufficient caliper, goes in the 5 to 

 7 foot grade ; otherwise, it may be put in the 4j to 6 foot or 

 medium grade. 



The relative size and height of trees of different grades 

 are made apparent in Fig. 3. The heaviest grade (C) 



