35
50
: I:"
I a.,.,
: 1.
60
 FP
> I l
LUU
() e 1 .I l
Z 7.1.1
C 80
C I
I I
90 r ",
. e I st
TSP --- 'I
.. /
100 .. ,
-10 -5 0 5 10 15 20 25 30
Kg/$CC
Figure 10. Stability of three treatments in cowpea for poor environments
Manaus, Brazil, 1990 (Singh)
f