Plants,
Год журнала:
2024,
Номер
13(24), С. 3483 - 3483
Опубликована: Дек. 12, 2024
In
order
to
reveal
the
effects
of
microplastics
(MPs)
on
growth
and
rhizosphere
soil
environmental
wheat
(Triticum
aestivum
L.),
three
microplastic
types
(polypropylene
MPs
(PP-MPs),
high-density
polyethylene
(HDPE-MPs),
polylactic
acid
(PLA-MPs)),
particle
sizes
(150,
1000,
4000
μm),
concentrations
(0.1,
0.5,
1
g·kg−1)
were
selected
for
a
pot
experiment
under
natural
environment
conditions.
The
differences
in
germination
rate
(GR),
inhibition
(GIR),
characteristics,
physicochemical
properties,
enzymatic
activities
analyzed
using
statistical
analysis
variance
analysis.
results
show
that
seeds
decreased
different
MPs,
HDPE-MPs,
medium
size
(1000
concentration
(0.5
had
greatest
inhibitory
effect
seed
germination.
characteristics
inconsistent;
potential
(GP),
index
(GI),
vitality
(VI)
showed
significant
decreasing
trend
PLA-MPs
medium-concentration
treatment,
while
mean
time
(MGT)
increasing
trend;
GP
MGT
high-particle-size
(4000
μm)
respectively,
GI
VI
medium-particle-size
treatment.
plants
with
SPAD,
nitrogen
leaves,
plant
height
most
PLA-MP
SPAD
leaves
low-particle-size
(150
low-concentration
(0.1
treatments,
decreases
high-concentration
(1
treatments
being
largest.
There
trends
ammonium
(NH4+),
total
phosphorus
(TP),
urease
(S-UE),
phosphatase
(S-ACP),
sucrase
(S-SC)
microplastics,
nitrate
(NO3−)
pH;
there
was
(TN)
HDPE-MPs
PLA-MPs,
each
concentration,
catalase
(S-CAT).
research
could
provide
certain
data
theoretical
bases
evaluating
crop
ecological
environments.
Abstract
Microplastics
are
polymer-based
materials
with
carbon
as
their
main
framework.
During
degradation,
they
release
greenhouse
gases
such
dioxide
and
methane.
Additionally,
environmental
microplastics
can
enter
plant
tissues,
triggering
oxidative
stress
in
cells,
adversely
affecting
photosynthesis,
metabolism,
gene
expression,
other
growth
parameters.
This
reduction
efficiency
sequestering
utilizing
atmospheric
indirectly
impacts
global
cycling,
exacerbating
the
effect.
Furthermore,
significantly
alter
soil
structure
composition
of
microbial
communities,
emissions
dioxide,
methane,
nitrous
oxide,
thus
promoting
gas
emissions.
Increasing
research
suggests
a
mutual
reinforcement
between
microplastic
pollution
climate
warming,
where
exacerbates
rise
average
temperature
leads
to
resuspension
sediments,
intensifying
environment.
article
primarily
focuses
on
different
ecosystems
relationship
warming.
It
summarizes
effects
marine,
terrestrial,
ecosystems,
well
mechanisms
by
which
change
affect
ecosystem
services.
By
delving
into
intricate
connection
emissions,
this
paper
aims
raise
awareness
caused
calls
for
further
change,
ultimate
goal
protecting
human
health.
Graphical
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 29, 2024
Abstract
Microplastics
are
exotic
pollutants
and
increasingly
detected
in
soil,
but
it
remains
poorly
understood
how
microplastics
impact
soil
plant
systematically.
The
present
study
was
conducted
to
evaluate
the
effects
of
polyvinyl
chloride
(PVC-MPs)
on
wheat
seedlings
performance
properties.
Under
stress
PVC-MPs,
no
new
substance
functional
groups
were
generated
by
X-ray
diffraction
fourier
transform
infrared
spectroscopy
analyses,
whereas
characteristic
peaks
affected
PVC-MPs.
Wheat
shoot
biomass
nitrate
nitrogen
significantly
inhibited
Chlorophylls
not
significant
Superoxide
dismutase,
catalase,
peroxidase
activities
increased,
while
malondialdehyde
proline
contents
decreased
significantly.
Redundancy
analysis
displayed
that
traits
can
be
largely
explained
nitrogen.
Our
results
indicate
PVC-MPs
have
more
influence
structure
than
composition.
Moreover,
even
though
antioxidant
enzyme
improved
respond
severely
impacted
Besides,
is
main
factor
prone
ensure
root
growth
under
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Май 23, 2025
Abstract
While
the
impacts
of
microplastics
on
aquatic
and
agricultural
ecosystems
are
well
studied,
forest
involving
soil
trees
scarcely
investigated.
Here,
we
assessed
microplastic
addition
rhizosphere
properties,
chemical,
morphological
anatomical
traits
fine
roots
for
ectomycorrhizal
(ECM)
arbuscular
mycorrhizal
(AM)
tree
species
in
a
mixed
temperate
forest.
We
found
that
concentration
available
nitrogen
increased,
while
phosphorus
decreased
ECM
after
microplastics.
The
opposite
pattern
was
true
AM
species.
Fine
exhibited
shorter
root
length,
smaller
diameter,
lower
tissue
density,
branching
ratio,
intensity,
concentration,
but
higher
hyphal
carbon/nitrogen,
carbon/phosphorus
ratios
with
mediated
by
total
soil.
specific
tip
epidermal
thickness,
vascular
bundle
diameter
carbon/nitrogen
cortical
density
addition,
which
water
content,
nitrate
phosphorus.
These
findings
mycorrhizal-specific
responses
to
will
deepen
our
understanding
carbon
nutrient
cycling
composition
dynamics
increasing
pollution
ecosystems.
Waste Management & Research The Journal for a Sustainable Circular Economy,
Год журнала:
2024,
Номер
42(8), С. 634 - 650
Опубликована: Март 22, 2024
The
extensive
use
of
plastic
materials
and
their
improper
disposal
results
in
high
amounts
waste
the
environment.
Aging
plastics
leads
to
breakdown
into
smaller
particles,
such
as
microplastics
(MPs)
nanoplastics.
This
research
investigates
used
agricultural
practices
they
contribute
MP
pollution
soils.
distribution
characteristics
MPs
soils
were
evaluated.
In
addition,
effect
on
soil
properties,
relationship
between
metals
soil,
fate
pesticides
influence
plant
growth
analysed,
discussing
legume,
cereal
vegetable
crops.
Finally,
a
brief
description
main
methods
chemical
analysis
identification
is
presented.
study
will
better
understanding
soil-plant
system.
changes
induced
by
parameters
can
lead
potential
benefits
it
possible
increase
availability
micronutrients
reduce
uptake
toxic
elements.
Furthermore,
although
remains
an
emerging
threat
ecosystems,
presence
may
result
soils,
highlighting
principles
circular
economy.
Journal of Environmental Quality,
Год журнала:
2024,
Номер
53(6), С. 1048 - 1072
Опубликована: Сен. 8, 2024
Abstract
The
present
review
discusses
the
growing
concern
of
microplastics
(MPs)
and
nanoplastics
(NPs)
in
soil,
together
with
their
sources,
concentration,
distribution,
impact
on
soil
microorganisms,
human
health,
ecosystems.
MPs
NPs
can
enter
through
various
pathways,
such
as
agricultural
activities,
sewage
sludge
application,
atmospheric
deposition.
Once
they
accumulate
upper
layers
affect
structure,
water
retention,
nutrient
availability.
presence
also
have
ecological
consequences,
acting
carriers
for
pollutants
contaminants,
heavy
metals
persistent
organic
pollutants.
Additionally,
leaching
chemicals
additives
from
pose
public
health
risks
food
web
groundwater
contamination.
detection
analyses
be
challenging,
methods
involve
spectroscopic
microscopy
techniques,
Fourier‐transform
infrared
spectroscopy
scanning
electron
microscopy.
To
mitigate
effects
it
is
essential
to
reduce
plastic
waste
production,
improve
management
practices,
adopt
sustainable
practices.
Effective
mitigation
measures
include
implementing
stricter
regulations
use,
promoting
biodegradable
alternatives,
enhancing
recycling
infrastructure.
amendments,
biochar
compost,
help
immobilize
NPs,
reducing
mobility
bioavailability.
This
article
aims
provide
a
comprehensive
understanding
these
emerging
environmental
issues
identify
potential
solutions
alleviate
ecosystem
functioning,
community
health.
