Plants,
Journal Year:
2024,
Volume and Issue:
13(23), P. 3413 - 3413
Published: Dec. 5, 2024
Soil
salinization
is
a
serious
threat
to
the
ecological
environment
and
sustainable
agricultural
development
in
arid
regions
of
northwest
China.
Optimal
soil
amelioration
methods
were
eagerly
explored
under
different
salinity
levels.
Sesbania
hairy
vetch
are
salt-tolerant
plants,
green
manure
improved
saline
environment.
In
this
study,
two
leguminous
halophytic
crops,
sesbania
(
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 9, 2025
Salt-tolerant
plants
(STPs)
play
an
important
role
in
saline-alkali
soil
remediation,
but
their
interaction
with
microorganisms
remain
incompletely
elucidated.
This
study
explored
the
effects
on
microbial
community
structure,
function,
and
quality
land
of
four
treatments:
no
plant
(CK),
Triticum
aestivum
L.
(TA),
Tamarix
chinensis
Lour.
(TC),
Hibiscus
moscheutos
Linn.
(HM).
The
results
indicated
that
planting
TC,
TA,
HM
effectively
reduced
electrical
conductivity
(EC)
by
82.9,
88.3,
86.2%,
respectively.
TC
TA
significantly
decreased
pH
from
8.79
to
8.35
8.06,
respectively,
(p
<
0.05).
Moreover,
nutrient
content
enzymatic
activities
were
enhanced.
Notably,
exhibited
most
significant
improvement.
STPs
also
substantially
altered
structure
increasing
bacterial
richness
(ACE
Chao1
indices)
compared
other
treatments
promoted
relative
abundance
unclassified_Gemmatimonadaceae,
unclassified_Vicinamibacterales,
Mortierella
A
major
innovation
this
is
using
network
analysis
explore
interactions,
revealing
how
enhance
complexity.
approach
identified
Sphingomonas
as
a
key
taxon
soils,
shedding
light
dynamics
remediation.
Additionally,
partial
least
squares
path
model
(PLS-PM)
showed
improvements
primarily
driven
shifts
composition,
offering
novel
mechanistic
framework
for
understanding
contributions
restoration.
research
advances
microbial-plant
interactions
underscores
innovative
application
phytoremediation,
valuable
insights
future
restoration
strategies.
Abstract
Aims
Plant-
and
microbial-derived
carbon
(C)
are
the
primary
sources
of
soil
organic
(SOC)
in
coastal
wetlands,
yet
their
contributions
across
vegetation
restoration
chronosequences
remain
poorly
understood.
Methods
Using
biomarker
approaches,
we
investigated
dynamics
total
lignin
phenols
(VSC)
microbial
necromass
C
(MNC)
SOC
over
a
20-year
chronosequence
(0,
4,
8,
11,
20
years)
Yellow
River
Delta
China.
Results
Vegetation
significantly
increased
VSC
MNC
contents,
but
both
showed
unimodal
patterns
with
age
peaked
at
8
years.
Restoration
to
(1.9–7.1%)
had
limited
effects
on
MNC,
which
averaged
28.64%—lower
than
anticipated.
The
contents
VSC,
vanillyl
phenols,
syringyl
cinnamyl
fungal
(FNC)
biomass
(MBC)
were
positively
correlated
content.
However,
Bacterial
(BNC)
no
significant
correlation
SOC.
Plant
coverage
C/N
ratio
main
drivers
source
changes,
showing
positive
negative
linear
relationships
content,
respectively.
Structural
equation
model
that
plant-derived
is
most
important
driver
SOC,
while
has
effect
Conclusions
Although
response
age,
Increasing
affected
by
plant
cover
enhanced
sequestration
compared
C.
Soil Systems,
Journal Year:
2024,
Volume and Issue:
8(3), P. 84 - 84
Published: July 23, 2024
The
escalating
risks
of
drought
and
salinization
due
to
climate
change
anthropogenic
activities
are
a
major
global
concern.
Rhizobium–legume
(herb
or
tree)
symbiosis
is
proposed
as
an
ideal
solution
for
improving
soil
fertility
rehabilitating
arid
lands,
representing
crucial
direction
future
research.
Consequently,
several
studies
have
focused
on
enhancing
legume
tolerance
salinity
stresses
using
various
techniques,
including
molecular-based
approaches.
These
methods,
however,
costly,
time-consuming,
cause
some
environmental
issues.
multiplicity
beneficial
effects
microorganisms,
particularly
plant
growth-promoting
bacteria
(PGPB)
plant-associated
microbiomes,
can
play
role
in
performance
productivity
under
harsh
conditions
zones.
PGPB
act
directly
indirectly
through
advanced
mechanisms
increase
water
uptake,
reduce
ion
toxicity,
induce
resilience
osmotic
oxidative
stress.
For
example,
rhizobia
with
legumes
enhance
growth
not
only
by
fixing
nitrogen
but
also
solubilizing
phosphates
producing
phytohormones,
among
other
mechanisms.
This
underscores
the
need
further
strengthen
research
its
application
modern
agriculture.
In
this
review,
we
provide
comprehensive
description
challenges
faced
nitrogen-fixing
leguminous
plants
semi-arid
environments,
salinity.
We
highlight
potential
benefits
legume–rhizobium
combined
establish
more
sustainable
agricultural
practices
these
regions
legume–rhizobium–PGPB
partnerships.
Soil Systems,
Journal Year:
2024,
Volume and Issue:
9(1), P. 2 - 2
Published: Dec. 26, 2024
Soil
is
a
complex
and
dynamic
ecosystem
containing
diverse
array
of
microorganisms,
plays
crucial
multifaceted
role
in
various
functions
the
ecosystem.
Substantial
fluctuations
environmental
conditions
arise
from
global
changes.
The
microbial
shifts
soil
concordance
with
changing
factors,
or
combination
these
are
high
significance.
Exploring
contribution
change
drivers
to
community
improve
predictions
response
functioning
prime
importance.
Promoting
health
microorganisms
maintains
overall
fertility
soil,
which
turn
supports
terrestrial
ecosystems
agricultural
systems.
current
review
aims
assemble
different
abiotic
factors
stressors
that
exist
environment
affect
community.
More
focus
will
be
given
one
stressors—antibiotics,
recent
emerging
pollutant.
effects
on
future
due
presence
antibiotics
addressed.
scope
interaction
other
pollutants
like
plastics
heavy
metals
(HMs)
examined.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(9), P. 2139 - 2139
Published: Sept. 20, 2024
Planting
salt-tolerant
plants
is
an
efficient
method
of
biological
improvement
for
saline–alkali
land.
However,
few
studies
have
examined
the
soil
effects
rotation
green
manure
plant
sesbania
and
grain
crop
sorghum.
Thus,
we
planted
in
native
on
heavily
saline–alkaline
coastal
land
subsequently
sorghum
after
returning
straw
to
soil.
The
effect
this
sesbania–sorghum
was
clarified
by
comparing
indicators
quality
before
were
planted,
such
as
structure,
water
infiltration,
salt
content,
microbial
changes.
results
showed
that
bulk
density
plow
layer
(0–40
cm)
harvest
decreased
9.63%
compared
with
bare
land,
porosity
increased
5.67%.
cumulative
initial
infiltration
rate,
stable
rate
saline
3.6
times,
2.8
3.3
times
higher
than
those
respectively.
With
growth
sorghum,
content
cultivated
37.73%,
while
9.1%.
A
further
analysis
desalination
total
amount
15.58
t/ha,
which
5%
due
absorption,
rest
from
leaching.
Moreover,
organic
matter
69.1
t/ha
73.8
t/ha.
quantities
some
microorganisms
are
mainly
found
decreased,
common
increased,
reflecting
quality.
above
prove
had
a
significant
reduction,
great
significance
utilization
enhance
productivity.