CEYLON 157 



O-12-O 40' O-12-O 



1-1 2- O 



O-12-O 



O-12'-O O-12-O 



s io \o 



O-12-O 0-12^-0 



O-i2'-O 40' O-12-O 



FIG. 2. MODIFICATION OF THE SYSTEM SHOWN IN FIG. i. 

 40 feet by 12 feet by 15 feet gives 112 trees per acre. 



