Biology and Fertility of Soils,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 16, 2024
Abstract
Denitrification
is
an
important
component
of
the
nitrogen
cycle
in
soil,
returning
reactive
to
atmosphere.
activity
often
concentrated
spatially
anoxic
microsites
and
temporally
ephemeral
events,
which
presents
a
challenge
for
modelling.
The
anaerobic
fraction
soil
volume
can
be
useful
predictor
denitrification
soils.
Here,
we
provide
review
this
characteristic,
its
controlling
factors,
estimation
from
basic
properties
implementation
current
models.
concept
relationship
has
undergone
several
paradigm
shifts
that
came
along
with
advent
new
oxygen
microstructure
mapping
techniques.
understanding
hotspots
are
partially
decoupled
air
distances
wet
matrix
mainly
associated
particulate
organic
matter
(POM)
form
fresh
plant
residues
or
manure.
POM
fragments
harbor
large
amounts
labile
carbon
promote
local
consumption
and,
as
result,
these
differ
their
aeration
status
surrounding
matrix.
Current
models
relate
bulk
concentration
various
ways
but
make
little
use
information,
such
distance
between
air-filled
pores.
Based
on
meta-analyses,
derive
empirical
relationships
estimate
conditions
formation
anoxia
at
microscale
outline
how
could
used
future
improve
prediction
accuracy
profile
scale.
