Observations of total germination were made once each week during 

 June and the first 2 weeks of July. Thereafter, germination was checked 

 once every 4 weeks until leaf fall in October. The height of the tallest 

 seedling on each plot was measured to the nearest 1/10 inch in October. 



Analysis of variance was used to test differences in germination and 

 first-year height growth. The arcsin transformation was used on germi- 

 nation percentages. The figures for the tallest seedling on each plot 

 were used in the analysis of height growth. Orthogonal comparisons 

 were made for both germination and height data. Because season of 

 sowing was not randomized in the layout of plots, it could not be 

 tested statistically. 



Results 



Germination. — Germination on all prepared seedbeds averaged 22 

 percent in the fall seeding and 17 percent in the spring seeding, or 

 about 20 percent for both seasons combined. On the untreated beds, 

 the figures for fall and spring seeding were 3.5 and 3.0 percent respec- 

 tively (table 1). In the statistical analyses for each season, the four 

 seedbed preparations combined were significantly (1-percent level) 

 better than no preparation in both instances. There were no significant 

 differences among the four preparation methods. 



Height growth. — First-year height growth was relatively poor under 

 all treatments, and the differences when reduced to averages were not 

 striking (table 1). Because the table values are based upon the one 



Table 1. — Average germination and first-year height growth, 

 by treatment groups 



Treatment 



Fall sowing 



Spring sowing 





Germination 



Height 



Germination 



Height 





Percent 



Inches 



Percent 



Inches 



Seedbed preparation: 











None 



3.5 



2.3 



3.0 



2.2 



Scarified 



21.0 



2.4 



17.7 



2.3 



Spaded 



20.0 



4.0 



18.5 



3.2 



Scalped 



25.0 



3.3 



16.2 



2.4 



Burned 



21.2 



2.5 



16.5 



2.3 



Supplemental treatments : 











None 





2.3 





2.0 



Clipped 





2.2 





2.0- 



Fertilized 





4.4 





2.9 



Clipped and fertilized 





3.3 





3.3 



3 



