Part I.] 
Troup : Teak Forests of Burma. 
25 
The comparative rates of growth of teak trees in dry and moist 
forest are exemplified to a certain extent by 
Statistical examples. the following figures abstracted from the 
working-plans :— 
Bate of growth of teak trees in dry and in moist forest. 
Average age 
OF TREE 
OF 
Forest. 
Maine of 
GIRTH OF 
Type of 
Division. 
Forest. 
Forest. 
3' 
4' 6" 
6' 
7' 
( 60 
93 
159 
Moist. 
Zigon 
Taungnyo 
1 « 
80 
154 
.. 
Dry. 
r 47 
68 
101 
130 
Moist. 
Tharrawaddy 
Thonze 
[ „ 
82 
131 
149 
Dry. 
r 137 
Moist. 
Mokka 
.. 
i 165 
Dry. 
C 59 
86 
124 
149 
Moist. 
Pyinmana . 
Minbyin 
l 78 
116 
161 
186 
Dry. 
r 62 
88 
123 
154 
Moist. 
99 
Pozaungdaung 
X 69 
110 
165 
Dry. 
(2) Rapid growth on alluvial ground. 
Reference has been made on page 20 to the rapid growth of teak in 
the Kangyi, Satpok, Sitkwin and Thindawyo reserves, the average age 
of a tree 7 feet in girth being 110 years in the case both of Kangyi and of 
the other three combined. These reserves are scattered on fiat alluvial 
land on the plains of the Hlaing (Myitmaka) river, and although they 
are not far from the Pegu Yoma forests, the more rapid growth of 
teak on the flat alluvium as compared with the hill forests is most marked. 
It should be noted that the portions of these reserves where teak is found 
are generally well drained, although flat or nearly so. 
The Kangyi reserve, like the Mohnyin reserve in the Katha Division, 
which is also situated on flat land, is capable of producing teak of very 
[25] 
