A 
pe 
  
10 
IR/ RED — 
o 
  
  
r= 0-82 
ys206 *21X 
1 1 1 1 1 
  
  
1 2 3 4 5 
CHLOROPHYLL ( g/m?) ——= 
FIG. 4 REGRESSION OF CHLOROPHYLL CONTENT WITH 
IR / RED RATIO 
1020 
spe 
bas 
mos 
net 
var 
gra 
an 
bet 
pos 
mas 
CYC 
sto 
emp 
(At 
and 
lea 
fro 
com 
off 
con