Microorganisms,
Год журнала:
2024,
Номер
12(11), С. 2276 - 2276
Опубликована: Ноя. 9, 2024
For
the
targeted
selection
of
microbial
communities
that
provide
cellulose
degradation,
soil
samples
containing
cellulolytic
microorganisms
and
specific
plant
residues
as
a
substrate
can
be
used.
The
details
this
process
have
not
been
studied:
in
particular,
whether
use
different
soils
determines
varying
efficiency
communities;
these
established
will
specificity,
other
factors.
To
answer
questions,
four
with
activity
(Podzol
Chernevaya
taiga)
substrates
(oat
straw
hemp
shives)
levels
availability
were
used,
followed
by
trained
tested
on
botrooth
(in
all
possible
combinations).
Based
analysis
taxonomic
structure
their
across
(decomposition
level,
carbon,
nitrogen
content),
it
was
shown
most
important
taxa
are
recruited
from
secondary
taxa.
original
does
affect
decomposition:
both
produce
equally
active
communities.
Unexpectedly,
resulting
oats
more
effective
than
hemp.
In
general,
usage
pre-trained
increases
decomposition.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 24, 2025
Incorporating
straw
into
the
soil
is
a
sustainable
practice
that
can
mitigate
some
of
adverse
effects
excessive
N
fertilization
on
structure
degradation
and
microbial
diversity
reduction.
This
objective
this
study
was
to
determine
combined
management
(straw
return
removal)
(0,
360,
450,
540,
630,
720
kg
ha-1
yr.-1)
crop
yields,
properties,
communities
in
long-term
wheat-maize
cropping
system.
The
results
showed
moderate
application
(N450-N540)
with
optimized
wheat
(283.5
ha-1)
maize
(346.5
whereas
higher
(N630,
N720)
led
acidification
(pH
decline
0.51-1.67
units),
irrespective
management.
Straw
increased
organic
carbon
(SOC),
total
nitrogen
(TN),
nitrate
(NO3
--N),
available
potassium
(AK),
but
decreased
ammonium
(NH4
+-N).
Bacterial
at
rates
rates.
Fungal
generally
under
removal,
Chaetomiaceae
increasing
return,
Mortierellaceae
Trichocomaceae
declined
high
levels.
Mantel
test
strong
correlation
between
pH
bacterial
diversity,
while
fungal
composition
influenced
by
SOC,
TN,
NO3
--N.
Partial
Least
Squares
Path
Modeling
(PLS-PM)
demonstrated
directly
indirectly
yield
through
improved
enhanced
supported
yield.
highlights
importance
balanced
incorporation
maintaining
community
structure,
fertility,
productivity
intensive
systems
Vertisol.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 27, 2025
Straw
return
is
widely
promoted
as
an
environmentally
sustainable
practice
to
enhance
soil
health
and
agricultural
productivity.
However,
the
impact
of
varying
straw
durations
on
microbial
community
composition
development
remains
insufficiently
understood
within
a
rice-wheat
cropping
system.
In
this
study,
samples
were
collected
during
wheat
rice
harvesting
periods
following
seven
durations:
no
(NR)
or
1,
3,
5,
7,
9,
11
years
(SR1,
11),
sequencing
was
performed.
The
results
revealed
biphasic
pattern
in
alpha
diversity
(Chao1
Shannon)
communities
with
increasing
duration,
characterized
by
initial
increase
followed
subsequent
decrease.
Specifically,
SR9
group
exhibited
highest
Chao1
Shannon
values,
while
SR3
showed
values.
PCoA
indicated
significant
shifts
due
return,
particularly
compared
NR.
obvious
changed
six
bacterial
phyla
(Verrucomicrobiota,
Proteobacteria,
Desulfobacterota,
MBNT15,
Actinobacteriota,
Gemmatimonadota)
periods,
especially
Proteobacteria.
Correlation
analysis
between
environmental
factors
demonstrated
these
factors,
pH
total
organic
carbon
(TOC)
(p
<
0.05),
harvest,
indicating
enrichment
after
may
be
related
accumulation
TOC.
Furthermore,
network
period
found
more
complex,
lower
stability
period.
This
complexity
closely
associated
TOC
fields.
Deterministic
processes,
including
homogeneous
heterogeneous
selection,
play
crucial
role
shaping
both
systems.
Environmental
significantly
influenced
assembly
recycling.
Our
study
enhances
understanding
system,
which
provide
valuable
insights
for
studying
mechanisms
managing
can
promote
fertility
restoration.
Agronomy,
Год журнала:
2025,
Номер
15(3), С. 729 - 729
Опубликована: Март 18, 2025
Straw
incorporation
effectively
improves
soil
fertility
and
crop
yield,
its
adaptation
to
single-season
rice
production
in
cold
temperate
regions
is
a
current
research
focus.
This
study
conducted
two-year
continuous
situ
field
experiment
with
four
treatments:
no
straw
(CK),
autumn
rotary
tillage
(SC),
plowing
(SH),
spring
(ST).
investigated
the
effects
of
on
growth
environment
understand
soil-crop
interactions
their
impact
yield.
The
results
indicate
that
system
Northeast
China,
reduces
number
tillers,
dry
matter
accumulation,
leaf
area
index
early
stage
but
promotes
accumulation
later
stages.
over
two
consecutive
years
increased
yield
by
2.07%,
SC
treatments
showing
optimal
performance.
could
lead
higher
economic
returns
for
farmers.
Additionally,
potentially
increases
total
nitrogen
organic
(SOM)
content
topsoil,
thus
providing
environmental
benefits
reducing
need
synthetic
fertilizers.
Factor
analysis
reveals
enhances
influencing
nutrient
levels
stages,
thereby
improving
recovery
efficiency.
By
altering
availability
at
different
regimes
regulate
material
strategy
‘source-sink’
relationship.
provides
theoretical
basis
enhancing
through
improved
management
strategies.
These
findings
support
policy
initiatives
promote
large-scale
commercial
potential
benefits.
Agronomy,
Год журнала:
2025,
Номер
15(3), С. 742 - 742
Опубликована: Март 19, 2025
Imbalanced
fertilization
and
inadequate
of
straw
return
have
led
to
soil
potassium
(K)
depletion
fertility
decline
in
croplands
the
Qinghai–Tibet
Plateau.
However,
how
these
changes
affect
microbial
communities
remains
unclear.
We
analyzed
properties,
biomass
carbon
nitrogen,
enzyme
activities,
a
long-term
field
experiment
initiated
1992
with
K
varying
wheat
amounts.
Long-term
application
significantly
reduced
(MBC)
bacterial
species
richness
inhibited
positive
bacteria–fungi
interactions.
By
contrast,
not
only
enhanced
organic
(SOC),
total
nitrogen
(TN),
available
phosphorus
(AP),
(AK)
but
also
increased
MBC,
(MBN),
fungal
richness.
Furthermore,
it
restructured
community
composition
improved
stability
connectivity
co-occurrence
networks.
Critically,
benefits
did
scale
linearly
input
quantity.
Excessive
(>5000
kg
ha−1)
beneficial
effects,
destabilized
interactions,
elevated
risks
associated
parasitic
protozoa.
Balanced
moderate
(approximately
5000
enhances
promotes
effects
on
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Март 28, 2025
The
application
of
exogenous
organic
carbon
represents
a
significant
strategy
for
enhancing
soil
fertility
and
promoting
sustainable
agricultural
development.
This
approach
modifies
the
physicochemical
properties
influences
microbial
community
structures,
consequently
improving
crop
yield
quality.
Nevertheless,
mechanisms
underlying
responses
to
various
forms
active
remain
poorly
understood
require
further
investigation.
A
1-year
follow-up
experiment
was
conducted
examine
effects
different
sources
on
quality
cut
roses,
along
with
characteristics
bacterial
community.
results
indicated
that
applying
fertiliser
biochar
significantly
enhanced
productivity
demonstrating
sustained
growth-promoting
effect.
Organic
provides
more
active,
readily
oxidisable
compared
biochar.
In
contrast,
supplies
stable
carbon,
including
inert
is
difficult
oxidise,
firm
(FOC),
total
which
has
high
degree
humification
exceeds
fertiliser.
not
only
altered
abundance,
diversity,
composition
rhizosphere
but
also
enriched
beneficial
microorganisms.
Redundancy
analysis
FOC,
available
phosphorus,
matter
were
primary
factors
influencing
this
study
demonstrated
exerted
positive
indirect
by
communities.
These
findings
provide
novel
evidence
supporting
rational
fertilisers
as
means
promote
sustainability
in
red
regions.
