91 
ed from grazing 
choeira Paulis- 
ain palatable 
d very few 
vaders are Sape 
aboa ( Thyfa 
mid lowland 
scattered 
under pro- 
m notatum) , 
mber, the dry 
)are usually 
ed spreading 
trong extrac 
opy cover. The 
etween 
analysis was 
a Perkin-Elmer 
( Melinis) and 
ophyl absorption 
orption than 
.s ( Melinis) , but 
he all bands, 
iated leaf 
it between areas 
500, 650 mp and 
>e used with the 
»ns and plant 
.blad 500 EL/70mm 
»4 were thus 
c Wratten 89B. 
of those color 
flter and cover 
: than they 
filter goes 
iters. The oper- 
>, each filter 
jf the data 
retation possi- 
lt surfaces 
2 d radiation in 
rmation in a 
ation that 
tion by