Soil Use and Management,
Journal Year:
2025,
Volume and Issue:
41(2)
Published: April 1, 2025
ABSTRACT
Nitrogen
(N)
immobilisation
in
post‐harvest
soils
is
important
for
maintaining
soil
fertility
while
mitigating
N
losses,
but
how
to
achieve
this
crop
rotations
that
do
not
allow
catch
crops
remains
unknown.
High‐carbon
amendments
(HCAs)
incorporated
into
the
after
harvest
can
stimulate
microbial
uptake
and
thus
might
provide
a
viable
option
improve
retention
with
winter
crops.
Here,
we
investigated
efficacy
of
seven
types
HCA
on
mineral
reclaimed
an
incubation
experiment
198
days
under
conditions,
using
15
pulse
labelling
(NH
4
)
2
SO
estimate
conversion
(N
min
non‐extractable
forms.
We
found
induced
by
addition
varied
type,
cellulose
content
HCAs
was
particular
importance
magnitude
duration
could
also
demonstrate
accessible
better
predictor
potential
different
than
C/N
ratio.
Furthermore,
it
observed
95%
cellulose‐amended
converted
within
84
days,
much
more
other
HCAs,
demonstrating
all
tested,
transformation
from
forms
most
effectively,
likely
via
pathways.
Overall,
our
results
basis
management
strategy
mitigate
losses
arable
during
season.
However,
research
needed
effects
microbial‐mediated
transformations
soils.
Functional Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Abstract
Soil
organic
matter
(SOM)
transformation
processes
are
regulated
by
the
activities
of
plants,
microbes,
and
fauna.
Compared
with
plants
effects
soil
fauna
less
understood
because
their
high
taxonomic
functional
diversity,
mix
direct
indirect
effect
mechanisms.
Trait‐based
approaches
offer
a
generic
perspective
to
quantify
mechanistic
relationships
between
SOM
transformations,
including
decomposition,
translocation,
stabilisation
carbon.
Yet,
at
present,
we
lack
consensus
concerning
relevant
key
traits
(i.e.
those
affecting
ecosystem
functioning).
Here,
address
this
knowledge
gap
focusing
on
transformations.
Based
existing
literature,
identify
linked
universally
applicable
across
taxa
types,
discuss
process‐trait
links.
We
define
eight
that
directly
affected
fauna:
(i)
litter
mass
loss,
(ii)
fragmentation,
(iii)
aggregation
in
faeces,
(iv)
mineral
particles,
(v)
decomposition
(vi)
(vii)
pore
space
creation
maintenance
(viii)
stabilisation.
link
these
general
classified
into
four
categories:
(a)
food
selection
ingestion,
(b),
digestion
excretion,
(c)
mobility,
(d)
body
metabolic
rate.
also
propose
proxies
when
trait
measurements
laborious.
The
proposed
links
need
be
validated
targeted
experiments.
urge
researchers
obtain
quantitative
experimental
data,
together
approaches,
integratively
contributions
functioning.
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