15 



Flgr. 15. Alternate rows, 1, 3, 5, 7 and 9, are removed at the start. Also re- 

 move broken, suppressed and otherwise defective trees in rows 2, 4, 6 and 8. 

 Replant the open rows and blank spaces the same year. Only shade-enduring 

 trees should be used except for the outside rows. 



Fig. 16. At this period the regeneration is only partially completed. The re- 

 maining trees in rows 2, 4, 6 and 8 should be removed and replanted. 



Fig. 17. The trees of the first replanting are 20 years old, rows 1, 3, 5, 7 and 9, 

 and those of the second replanting are 10 years old, rows 2, 4, 6 and 8. 



