49 
Part II.] Statistics compiled in the Silviculturist's office* 
Summary op results of measurements in Forest Research Institute Sample Plots 
Species— Quercus incana. 
Naini Tal and West Almora Divisions, Knmaun Circle, United Provinces. 
Sample Plot. 
No. 2. 
No. 20. 
No. 22. 
No. 24. 
Plots 
combined. 
Thinned 
or 
TJntliinned. 
Thinned. 
Thinned. 
J 
i 
Thinned. 
Thinned. 
Thinned. 
Descriptive 
details. 
North aspect, 
moderate slope, 
good loamy 
soil with small 
boulders. Good 
quality forest of 
Quercus incana, 
fairly heavily 
thinned. Den¬ 
sity '7 . Fair 
amount of 
shrubby under¬ 
growth, and cop¬ 
pice of rhodo¬ 
dendron and 
miscellaneous 
species. 
Aspect north¬ 
east, slope 
moderate, rock- 
quartzitic mica 
schist. Soil 
clayey loam. 
Even-aged pole 
crop. Density 
*9. 
Aspect east, slope 
moderate. 
Even-aged big 
pole crop. Den¬ 
sity '9. Rock 
quartzitic mica 
schist. Soil 
fertile loam. 
Aspect east, slope 
steep. Rock 
quartzitic mica 
schist. Soil 
loamy with 
some gravel. 
E\ r en-aged big 
pole crop. Den¬ 
sity full. 
Period of measure¬ 
ment. 
1910-11 
to 
1915-16. 
1911-12 
to 
1915-16. 
1911-12 
to 
1915-16. 
1911-12 
to 
1915-16. 
Total number of 
measurements. 
51 
52 
52 
57 
212* 
Rate of growth in girth. 
Age in years. 
Ft. in. 
Ft. in. 
Ft. in. 
Ft. in. 
Ft. in. 
30 
1 01 
0 6 
0 9i 
0 11 
0 7] 
40 
1 54 
0 9 
1 H 
1 3 [ 
0 11 
50 
1 lot 
1 0 
1 5 
1 84 
1 2| 
60 
2 34 
1 3 
1 9 
2 1 
1 64 
70 
2 
1 6 
2 1 
2 6 
1 10'i 
80 
1 94 
2 5| 
2 114 
2 34 
90 
2 Ot 
2 10| 
• •• 
i 
2 84 
100 
., • 
2 4| 
. . . 
... 
^ 2 
110 
... 
2 84 
... 
... 
Note.—N othing has been added for the time required for tho seedling to establish itself. 
* 0" to 12"—11 measts. ; 12" to 24"—166^measts. ;* 24" to 36"—35 measts. ;=212 measurements 
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