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some success (Zimmermann et al ., 2007b),
a more rapid method of characterizing soil
pool sizes is needed for larger-scale simu-
lations. Zimmermann et al . (2007a) have
devised a method that may have potential to
solve this problem using MIR spectroscopy
as a rapid characterization of pool size;
these methods need further development,
especially in non-mineral soils.
For many years, modellers and experi-
mentalists have worked separately on a
problem that is reliant on both measure-
ments and simulations for a solution. Future
work requires modellers and experimental-
ists to work together to provide predictions
of SOM decomposition that will be reliable,
widespread and universal, and so provide
their full potential value in informing policy.
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