Soil Use and Management,
Год журнала:
2025,
Номер
41(1)
Опубликована: Янв. 1, 2025
Abstract
Soil
microbes
play
a
significant
role
in
the
carbon
cycle.
However,
our
understanding
of
how
soil
respond
to
different
substrates
is
still
limited.
Here,
we
investigated
ecological
mechanisms
behind
overall
metabolism
differences
under
fertilizations
paddy
ecosystem.
Four
fertilization
treatments,
no
fertilizers
(CK),
mineral
nitrogen,
phosphorus
and
potassium
(NPK),
plus
organic
manures
(NPKM)
straw
return
(NPKS)
were
set
up.
Our
results
indicated
that
drove
shifts
microbial
community
structure,
with
reduction
abundance
Actinobacteriota
an
increase
Chloroflexi
.
NPKS
CK
exhibited
higher
utilization
capacity
across
various
sources,
particularly
metabolic
activity
for
carbohydrates
than
NPK
NPKM
treatments.
The
weighted
gene
co‐expression
network
analysis
(WGCNA)
was
used
evaluate
correlation
between
modules
WGCNA
metabolism.
We
found
are
important
contributors
variations
It
key
species
module
affecting
carbohydrate
C0119
,
which
belongs
Ktedonobacteria
suggest
could
mediate
core
bacterial
affect
finally
function.
Industrial Crops and Products,
Год журнала:
2024,
Номер
212, С. 118331 - 118331
Опубликована: Март 9, 2024
Soil
microorganisms
are
critical
to
the
sustainable
development
of
agroecosystems.
Continuous
cropping
obstacles
refer
crop
yield
reduction
in
continuous
cropping.
Crop
diversity
can
be
increased
through
rotation,
improving
soil-plant
interactions
alleviate
obstacles.
In
our
study,
rubber
dandelion
(Taraxacum
kok-saghyz
Rodin,
TKS)
and
sugar
beet
(Beta
vulgaris
L.)
were
used
for
rotation.
A
two-year
field
experiment
was
conducted
using
a
randomized
uniform
grid
design
investigate
effects
on
soil
microbial
community
structure
physicochemical
properties,
supplemented
by
pot
experiment.
We
hypothesized
that
could
change
microbiome,
improve
ultimately
promote
growth
beet.
The
results
showed
compared
with
cropping,
rotation
enhance
microbiome
increase
abundances
Actinobacteria
Streptomyces.
available
nitrogen,
potassium
organic
matter
contents
higher
than
soil.
addition,
urease
activity
after
significantly
increased.
general,
biomass
obstacle.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
14
Опубликована: Янв. 19, 2024
Soil
organic
carbon
(SOC)
is
the
principal
factor
contributing
to
enhanced
soil
fertility
and
also
functions
as
major
sink
within
terrestrial
ecosystems.
Applying
fertilizer
a
crucial
agricultural
practice
that
enhances
SOC
promotes
crop
yields.
Nevertheless,
response
of
SOC,
active
fraction
hay
yield
nitrogen
phosphorus
application
still
unclear.
The
objective
this
study
was
investigate
impact
nitrogen-phosphorus
interactions
on
fractions
in
alfalfa
fields.
A
two-factor
randomized
group
design
employed
study,
with
two
levels
0
kg·ha
-1
(N
)
120
1
four
(P
),
50
100
2
150
3
).
results
showed
treatments
increased
easily
oxidized
(EOC),
dissolved
(DOC),
particulate
(POC),
microbial
biomass
(MBC)
fields,
duration
application,
reaching
maximum
under
N
P
or
treatments.
increases
EOC,
DOC,
POC,
MBC
content
0–60
cm
layer
field
were
9.11%-21.85%,
1.07%-25.01%,
6.94%-22.03%,
10.36%-44.15%,
26.46%-62.61%
5.51%-23.25%
for
treatments,
respectively.
vertical
distribution
DOC
POC
contents
all
highest
0–20
tended
decrease
increasing
depth
layer.
10–30
DOC/SOC,
MBC/SOC
(excluding
treatment)
POC/SOC
higher
0–40
compared
treatment,
indicating
effectively
improved
fertility,
while
EOC/SOC
DOC/SOC
both
lower
40–60
than
sequestration
potential.
between
0-30
exhibited
sensitivity
index
MBC,
whereas
30-60
had
POC.
This
suggests
indication
changes
due
treatment
shifted
from
increased.
Meanwhile,
except
20–30
20–50
fertilizers
Carbon
management
(CMI)
varying
degrees.
Structural
equation
modeling
shows
indirectly
affect
by
changing
fraction,
primarily
impacted
MBC.
comprehensive
assessment
indicated
optimal
pattern.
In
summary,
potential
agroecosystems,
recommended
rate
most
effective
content,
pool
yield.
Functional Ecology,
Год журнала:
2024,
Номер
38(10), С. 2207 - 2219
Опубликована: Авг. 12, 2024
Abstract
Organic
management
enhances
the
formation
of
distinct
and
stable
soil
microbial
communities,
however,
its
influence
on
temporal
recovery
microbiome
multifunctionality
sterilized
remains
poorly
understood.
We
used
amplicon
sequencing
metagenomic
to
investigate
effects
communities
in
long‐term
organic
conventional
managed
soils
restoring
functionality.
calculated
at
days
30
90
recolonization
using
averaging
approach.
Results
showed
that
(O)
significantly
increased
alpha
diversity,
niche
width
network
complexity
community
compared
(C).
The
with
suspension
were
recolonization.
Soil
inoculated
(OO)
was
14.6%
70.6%
higher
than
rest
treatments.
Macrogenomic
analysis
revealed
O
enriched
functional
pathways
ABC
transporters,
carbon
metabolism,
biosynthesis
amino
acids,
two‐component
nitrogen
metabolism
as
well
most
genes
for
degradation,
fixation,
cycling
phosphorus
cycles
C.
These
also
day
Furthermore,
width,
complexity,
correlated
positively
multifunctionality.
Synthesis
applications
.
Our
results
emphasize
importance
induced
changes
functionality
promoting
losses,
providing
theoretical
basis
sustainable
impact
agronomic
production
function.
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