100


 80


 60
E>

' 40-
0

 2e
2

 20 


o Q%


SHerbaceous
SWoody










0


0 50 100
 Iron (g/m3)

 (b)


400-


300


200-



100-


0 Herbaceous
SWoody


0 W
 0 0
 0 0 0


08


 0 1 I I1I
 0 50 100 15
 Iron (g/m )


Figure 6.40. Vine Distribution in the Landscape According to the Soil Iron
 Concentrations on the Intensive Sites. (a) Shows the Rooted Vines
 (#/m2) and (b) the Dry Weight of Vine Biomass (g/m2).


6-90