306 BULLETIN 226. 



is better than the one to be left ; or it may occur that the one which should 

 be left is missing. Will it pay to leave a tree that would otherwise be 

 removed if it comes next to a vacant place? This question must be 



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~-J^r- Tre.es Removed 

 _.^<: Treea Ldft Standing 

 m Tre-es Missinq 



FIG. 63. Diagram showing half the trees removed. The dotted lines show that 

 the trees remaining are in squares cornenvisc of the field. 



answered as each case arises, but it is well to remember that if the tree 

 is left it will damage one side of three other trees. 



Before cutting out the trees it will pay to make a map of the orchard 

 and locate the vacant spaces and poor trees, and so determine which way 

 of cutting will include the greatest number of these. In Fig. 63 the rows 



