Table S .- -Percentile Christmas tree production on pruned and unpruned 

 trees during the first and second 5-year periods after treatment^ 



Pruning ' 



First 5 



years 



Second 5 



years 



treatment^ ■ 



Pruned : 



Unpruned 



Pruned : 



Unpruned 



1 



33 



33 



71 



71 



2 



50 * 



33 



71 



67 



3 



50 



17 



75 



62 



4 



20 



20 



50 



50 



5 



27 



43 



38 ■ 



58 



Average 



36 



29 



61 



62 



Expressed as a percent of total possible. 

 For description of treatments, see page 3. 



Table 6 . --Percentile Christmas tree production by grade and treatment 

 during the 10 years after treatment'^ 



Pruning 

 treatment^ 



Christmas tree grade 



Premium 



Standard 



Utility 



Cull or dead 



Pruned : Unpruned 



Pruned : Unpruned 



Pruned : Unpruned 



Pruned : Unpruned 



1 



4 







12 



29 



54 



42 



30 



29 



2 











25 



21 



46 



46.^ 



29 



33 



3 











33 



21 



42 



42 



25 



37 



4 



4 







17 



12 



29 



38 



50 



50 



5 











21 



17 



17 



42 



62 



41 



Average 



2 







22 



20 



37 



42 



39 



38 



Expressed as a percent of total possible. 

 For description of treatments, see page 3. 



Table 7 .--Percentile Christmas tree production by size and treatment 

 during the 10 years after treatment"^ 



Pruning 



Christmas tree size classes 



treatment^ : 



2- 



and 4-ft. 



: 6- 



and 8-ft. 



10- 



and 12-ft. 





Pruned 



: Unpruned 



: Pruned 



: Unpruned 



Pruned 



: Unpruned 



1 



21 



4 



50 



58 







8 



2 



29 



17 



42 



46 







4 



3 



29 



12 



38 



50 



8 







4 



17 



12 



33 



38 











5 



17 



29 



21 



29 











Average 



22 



15 



37 



44 



2 



3 



^Expressed as a percent of total possible. 

 ^For description of treatments, see page 3. 



10 



