A-3'- 4- 



-/o'-io-x—io-id- x— 



Permanent trees 



Apple fillers 



f J Peach fillers 

 Q " Extra " peach fillers 

 # Small fruits (raspberries, etc.) 



Fig. 20. Hexagonal system 



Diagram of intensive use of fillers; 320 trees per acre or 160 trees and 550 bush fruits 

 (berries or grapes) 



62 



