1918.] The Fifth Indian Science Congress. clix 
also, the side-shade is sufficient to prevent frost 
cut by frost. No such damage occurs in the cleared 
ate 
Plate VII indicates the relative vigour of the competing 
weed growth in cleared patches respectively 60 ft. and 180 ft. 
in diameter, two years after the clearing. 
- Experiments carried out in 1913-15 indicated that 
ox prwsirl ed to remain dormant for several years 
; nder shade. This was found to be the 
case under an artificial iron shade and also under the natural 
shade of trees both in loam and well-aerated sand. These 
experiments, so far as they go, indicate that a high tempera- 
ture, such as would be obtained in nature by exposure to a 
hot sun or possibly a forest fire, is probably essential for 
experimental clear-felling carried out in a teak forest also 
showed that the germination of teak seed and the development 
ared area. 
m 
Plete, more or less extensive clear-felling is desirable for 
the rapid establishment of vigorous teak seedlings.! : 
Plate VIII, fig. 1, shows one of the iron shades used in these 
Ww. 
Plate VIII, fig. 2, shows two seed beds two years after 
’ » fig. 2, shows two s 
“wing, the iron shade having just been removed from the 
1 Indian Forester, XLII, p. 51 (1916). 
