Forests,
Journal Year:
2024,
Volume and Issue:
16(1), P. 2 - 2
Published: Dec. 24, 2024
The
agroforestry
system
provides
a
new
option
for
P.
notoginseng
cultivation.
However,
the
effects
on
soil
health
and
microbial
communities
are
still
incomplete
when
monoculture
coniferous
forests
converted
to
notoginseng–pine
plantations.
To
assess
health,
samples
from
five
plantations
were
collected,
including
healthy
plants
root-diseased
plants,
as
well
plantation
control
soil.
analyzed
physical,
chemical,
biological
aspects
communities.
Our
results
suggested
that
planted
under
pine
forest
was
more
conducive
increased
biomass
carbon,
dissolved
organic
nitrogen,
particulate
enzyme
activities
compared
with
uncultivated
A
quantitative
assessment
of
demonstrated
comprehensive
quality
index
(SQI)
notoginseng-cultivated
exhibited
marked
increases
79.41%
119.85%
in
comparison
observed
alterations
characteristics
could
be
attributed
variations
microbiome.
This
implies
changes
SQI
positively
regulate
bacterial
fungal
abundance
ecosystems
mainly
through
properties.
helps
guide
cultivation
improve
ecosystems.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(4)
Published: April 1, 2024
Soil
organic
nitrogen
(N)
mineralization
not
only
supports
ecosystem
productivity
but
also
weakens
carbon
and
N
accumulation
in
soils.
Recalcitrant
(mainly
mineral-associated
matter)
labile
particulate
materials
differ
dramatically
nature.
Yet,
the
patterns
drivers
of
recalcitrant
(M
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(6), P. 2786 - 2797
Published: Feb. 5, 2024
Understanding
the
underlying
mechanisms
of
soil
microbial
nitrogen
(N)
utilization
under
land
use
change
is
critical
to
evaluating
N
availability
or
limitation
and
its
environmental
consequences.
A
combination
gross
production
ecoenzymatic
stoichiometry
provides
a
promising
avenue
for
nutrient
assessment
in
metabolism.
Gross
via
15N
tracing
through
vector
threshold
element
ratio
(Vector-TER)
model
were
quantified
evaluate
response
changes.
We
used
tropical
samples
from
natural
forest
ecosystem
three
managed
ecosystems
(paddy,
rubber,
eucalyptus
sites).
Soil
extracellular
enzyme
activities
significantly
lower
than
forest.
The
Vector-TER
results
indicated
carbon
(C)
limitations
soil,
increased
limitation.
was
positively
related
mineralization
(GNM)
nitrification
(GN)
rates.
decrease
biomass
C
as
well
hydrolyzable
ammonium
led
N-acquiring
enzymes,
inhibiting
GNM
GN
rates
ultimately
increasing
also
correlated
with
leucine
aminopeptidase
β-N-acetylglucosaminidase.
highlight
that
converting
forests
can
increase
reducing
production.
Land Degradation and Development,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
ABSTRACT
Soil
organic
carbon
(SOC)
stabilization
is
vital
for
the
mitigation
of
global
climate
change
and
retention
soil
stocks.
The
Loess
Plateau
a
crucial
ecological
zone
in
China
even
worldwide
major
ecosystem
protection.
However,
Plateau,
there
are
knowledge
gaps
about
response
SOC
sources
to
different
transitions
jujube
economic
forests.
Therefore,
our
study
used
clean‐cultivated
orchards
as
control
(CK)
selected
five
main
transformation
models
abandoned
on
Lvliang
Mountain:
farmland
(AF),
replanted
with
Astragalus‐Bupleurum
(AB),
alfalfa
(AL),
Chinese
pine
(CP),
arborvitae
(PO).
properties,
physical
fractions
their
correlations
0‐
20‐cm
layer
at
each
sample
site
were
analyzed.
results
show
that
significantly
increased
by
affecting
plant‐
microbe‐derived
altering
its
components.
Different
treatments
have
varying
impacts
content.
lignin
phenol
(VSC)
content
soils
was
greater
than
CK
had
following
ranking:
CP
>
AL
PO
AF
AB
(
p
<
0.05).
also
total
amino
sugar
(TAS)
content,
microbial
residue
(MRC),
contribution
carbon.
Additionally,
it
promoted
accumulation
particulate
(POC)
mineral‐associated
(MAOC)
positively
impacted
stability.
Among
models,
greatest
impact
phenols,
sugars,
stability,
whereas
contributed
least
SOC.
this
provide
scientific
basis
assess
select
optimal
modes
commercial
