Agronomy,
Journal Year:
2025,
Volume and Issue:
15(3), P. 731 - 731
Published: March 18, 2025
The
application
of
phosphate
fertilizers
significantly
influences
soil
microbial
communities
and
nutrient
cycling.
Soil
enzymes,
which
are
sensitive
to
levels,
play
a
critical
role
in
metabolism.
However,
the
impact
on
limitations
within
metabolism
agricultural
soils
remains
poorly
understood.
In
this
study,
samples
were
collected
from
depth
0–20
cm
wheat
crop
subjected
three-year
field
experiment
with
six
different
phosphorus
(P)
rates.
β-glucosidase
(BG)
leucine
aminopeptidase
(LAP)
activities
highest
under
P3
(60
kg
P2O5
ha−1)
treatment
over
study
period.
responses
N-acetyl-β-glucosaminidase
(NAG)
alkaline
phosphatase
(AKP)
increasing
P
additions
varied
across
years.
EES
C:N,
C:P,
vector
length
greater
than
1.
characteristics
accounted
for
70.71%
variation
enzyme
stoichiometry.
angle
enzymes
explained
by
0.65
0.73,
respectively.
Among
these
factors,
ROC
exhibited
largest
direct
total
effect
angle.
These
research
findings
offer
valuable
insights
management
fertilizers.
Consequently,
it
is
recommended
enhance
carbon
levels
alleviate
improve
utilization
efficiency.
New Phytologist,
Journal Year:
2023,
Volume and Issue:
238(6), P. 2363 - 2374
Published: March 24, 2023
Phosphorus
deposition
can
stimulate
both
plant
carbon
inputs
and
microbial
outputs.
However,
how
P
enrichment
affects
soil
organic
(SOC)
storage
the
underlying
mechanisms
remain
unclear.
We
conducted
a
meta-analysis
of
642
SOC
observations
from
213
field
addition
experiments
world-wide
explored
regulations
inputs,
outputs,
characteristics,
environmental
experimental
factors
on
responses.
found
that,
globally,
stimulated
by
4.0%
(95%
CI:
2.0-6.0%),
but
stimulation
only
occurred
in
forest
cropland
rather
than
grassland.
Across
sites,
response
correlated
with
that
aboveground
belowground
biomass,
suggesting
change
was
more
important
regulating
changes
due
to
addition.
Among
multiple
factors,
N
fixation
status
mean
annual
temperature
were
best
predictors
for
responses
addition,
being
higher
ecosystems
dominated
symbiotic
nitrogen
fixers
high-temperature
regions
like
tropical
forests.
Our
findings
highlight
differential
ecosystem-dependent
contribute
accurate
predictions
dynamics
P-enriched
world.
Forests,
Journal Year:
2024,
Volume and Issue:
15(7), P. 1112 - 1112
Published: June 27, 2024
Increased
nitrogen
deposition
profoundly
impacts
ecosystem
nutrient
cycling
and
poses
a
significant
ecological
challenge.
Soil
microorganisms
are
vital
for
carbon
in
ecosystems;
however,
the
response
of
soil
microbial
communities
subtropical
planted
coniferous
forests
to
remains
poorly
understood.
This
study
carried
out
four-year
addition
experiment
montane
central
Yunnan
explore
community
dynamics
primary
regulatory
factors
two
(P.
yunnanensis
Franch.
P.
armandii
Franch.)
under
prolonged
addition.
We
observed
that
elicited
different
responses
bacterial
fungal
between
forest
types.
In
plantations,
supplementation
notably
reduced
α-diversity
but
increased
diversity.
contrast,
showed
opposite
trends,
indicating
stand-specific
differences.
Nitrogen
also
led
changes
dynamics,
increasing
pH
decreasing
it
forests.
These
nutrients
significantly
affected
diversity,
structure,
network
interactions
communities,
with
distinct
noted
stands.
Specifically,
influenced
β-diversity
more
than
communities.
It
complexity
interspecies
while
enhancing
Conversely,
low
levels
improved
stability
networks
both
Using
random
structural
equation
modeling,
pH,
NH4+-N,
total
(TN)
were
identified
as
key
regulating
after
The
varied
conditions
diversity
deposition,
treatments
primarily
shaping
through
availability.
provides
essential
insights
into
scientific
sustainable
management
plantation
ecosystems.
Frontiers in Marine Science,
Journal Year:
2022,
Volume and Issue:
9
Published: Nov. 21, 2022
In
recent
decades,
damming
has
become
one
of
the
most
important
anthropogenic
activities
for
river
regulation,
and
reservoirs
have
hotspots
biogeochemical
cycling.
The
construction
dams
changes
riverine
hydrological
conditions
alters
physical,
chemical,
biological
characteristics
rivers,
eventually
leading
to
significant
variations
in
nutrient
This
review
mainly
explores
effects
on
transport
transformation,
including
i)
(N,
P,
Si,
C)
retention
reservoirs,
ii)
greenhouse
gas
(GHG)
emissions,
iii)
interactions
between
stoichiometry
ratio
health
reservoir
ecosystem.
drivers
such
as
connectivity,
hydraulic
residence
time,
hydropower
development
mode,
microbial
community
variation,
pollution,
also
been
discussed.
addition,
strategies
recover
from
negative
aquatic
ecosystems
are
summarized
analyzed.
To
provide
theoretical
scientific
support
ecological
environmental
preservation
river-reservoir
systems,
future
studies
should
focus
accumulation
GHG
emissions
cascade
reservoirs.
Frontiers in Forests and Global Change,
Journal Year:
2024,
Volume and Issue:
7
Published: April 15, 2024
Background
Ecological
stoichiometric
characteristics
of
carbon
(C),
nitrogen
(N),
phosphorus
(P),
and
potassium
(K)
serve
as
crucial
indicators
nutrient
cycling
limitation
in
terrestrial
ecosystems.
However,
our
current
understanding
subtropical
forests
their
response
to
different
climate
conditions
is
still
limited.
Methods
We
selected
six
altitudes
ranging
from
700
m
1,200
simulate
an
evergreen
broadleaf
forest
Wuyi
Mountain,
Fujian
Province,
China.
investigated
C,
N,
P,
K
stoichiometry
homeostasis
the
green
leaves,
newly
senesced
leaf
litter
(fresh
litter),
soil
this
forest.
Results
Leaf
P
levels
showed
a
decline
with
increasing
altitude.
Notably,
ratios
components
exhibited
bimodal
distribution
along
altitudinal
gradient.
Additionally,
trend
N
resorption
efficiencies
was
observed
altitude
increased.
Moreover,
weak
leaves.
These
findings
highlighted
significant
impact
on
This
study
also
contributed
mechanism
plant
growth
strategies
under
conditions.
Geoderma,
Journal Year:
2024,
Volume and Issue:
443, P. 116819 - 116819
Published: Feb. 21, 2024
Microbial
and
enzymatic
stoichiometry
have
been
widely
used
to
reflect
microbial
nutrient
limitations.
However,
the
dominant
drivers
of
C:N:P
ratios
are
not
well
known,
which
hinders
our
understanding
whether
can
accurately
resource
limitation.
Here,
we
studied
vertical
patterns
(0–100
cm)
factors
influencing
in
five
forest
ecosystems
(one
tropical,
two
subtropical,
temperate)
southwestern
China.
Our
results
showed
that
C:P
were
regulated
by
soil
C:P,
while
N:
P
followed
same
pattern.
This
suggests
status
is
weakly
related
may
be
inadequate
disentangle
nutritional
Soil
C:N
affected
likely
altering
community
structure
all
horizons.
Overall,
study
highlighted
important
role
regulating
C,
N,
cycles,
challenged
current
methods
for
modeling
