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Fig. 5.1.
Short-term decomposition of isotopically labelled ryegrass in soils containing different
levels of biodiversity - see text for details. Relative diversity levels were: 90% (
w
), 40% (
y
) and
30% (
{
) of the control soil (
q
). (a) Year 1, label was
14
C; (b) year 2, label was
13
C. Points show
means (n= 4; bars show
SE
). Source: Griffiths et al. (2000).
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