Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(3), P. 657 - 657
Published: March 14, 2025
Agricultural
plastic
mulch
enhances
crop
yields
but
leads
to
persistent
microplastic
contamination
in
soils.
Concurrently,
nitrogen
(N)
fertilization
and
atmospheric
deposition
profoundly
reshape
microbial
ecosystems.
This
study
examined
the
individual
interactive
effects
of
polyethylene
microplastics
(PE,
1%
w/w)
addition
(N,
180
kg
ha−1
yr−1)
on
soil
protist
communities
rape
(Brassica
napus
L.)
productivity.
High-throughput
sequencing
soil–plant
trait
analyses
revealed
that
PE
alone
reduced
water
retention
biomass
while
elevating
total
carbon
content,
C/N
ratios,
NH₄⁺-N/NO₃−-N
levels.
Conversely,
N
significantly
boosted
chlorophyll
likely
through
enhanced
nutrient
availability.
Strikingly,
combined
PE_N
treatment
exhibited
antagonistic
interactions;
diversity
functional
group
composition
stabilized
resemble
control
conditions,
under
showed
no
difference
from
CK
(with
basal
fertilizer
only),
despite
significant
reductions
alone.
Soil
dynamics
(e.g.,
SWC
ratio)
community
structure
collectively
explained
96%
variation.
These
findings
highlight
potential
mitigate
microplastic-induced
degradation,
offering
a
pragmatic
strategy
stabilize
productivity
contaminated
agricultural
systems.
underscores
importance
balancing
management
with
pollution
sustain
health
global
pressures.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(3), P. 548 - 548
Published: March 7, 2024
Plastic
products
in
plant
production
and
protection
help
farmers
increase
crop
production,
enhance
food
quality,
reduce
global
water
use
their
environmental
footprint.
Simultaneously,
plastic
has
emerged
as
a
critical
ecological
issue
recent
years,
its
pollution
significantly
impacted
soil,
water,
plants.
Thus,
this
review
examines
the
multifaceted
problems
of
agriculture
risk
to
security,
ecosystem,
environment.
The
study’s
objective
was
present
most
information
on
using
different
agriculture,
sources
pollution,
advantages
drawbacks
products,
strategies
for
mitigating
agriculture.
Furthermore,
after
examining
current
applications,
benefits,
adverse
effects,
risks
plants,
environment,
we
addressed
requirements
technological
advancements,
regulations,
social
processes
that
could
contribute
our
ecosystems.
We
identified
pathways
toward
more
sustainable
plastics
discussed
future
research
directions.
Environment International,
Journal Year:
2024,
Volume and Issue:
190, P. 108781 - 108781
Published: May 28, 2024
As
an
exogenous
carbon
input,
microplastics
(MPs),
especially
biodegradable
MPs,
may
significantly
disrupt
soil
microbial
communities
and
element
cycling
(CNPS
cycling),
but
few
studies
have
focused
on
this.
Here,
we
assessing
the
effects
of
conventional
low-density
polyethylene
(LDPE),
polybutylene
adipate
terephthalate
(PBAT),
polylactic
acid
(PLA)
MPs
rhizosphere
CNPS
in
a
soil-soybean
system.
The
results
showed
that
PBAT-MPs
PLA-MPs
were
more
detrimental
to
soybean
growth
than
LDPE-MPs,
resulting
reduction
shoot
nitrogen
(14.05%
11.84%)
biomass
(33.80%
28.09%)
at
podding
stage.
In
addition,
dissolved
organic
(DOC)
increased
by
20.91%
66.59%,
while
nitrate
(NO
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(19), P. 8464 - 8479
Published: May 3, 2024
Microplastics
threaten
soil
ecosystems,
strongly
influencing
carbon
(C)
and
nitrogen
(N)
contents.
Interactions
between
microplastic
properties
climatic
edaphic
factors
are
poorly
understood.
We
conducted
a
meta-analysis
to
assess
the
interactive
effects
of
(type,
shape,
size,
content),
native
(texture,
pH,
dissolved
organic
(DOC))
(precipitation
temperature)
on
C
N
contents
in
soil.
found
that
low-density
polyethylene
reduced
total
(TN)
content,
whereas
biodegradable
polylactic
acid
led
decrease
(SOC).
Microplastic
fragments
especially
depleted
TN,
reducing
aggregate
stability,
increasing
N-mineralization
leaching,
consequently
C/N
ratio.
size
affected
outcomes;
those
<200
μm
both
TN
SOC
Mineralization-induced
nutrient
losses
were
greatest
at
1
2.5%
weight.
Sandy
soils
suffered
highest
contamination-induced
depletion.
Alkaline
showed
depletion,
suggesting
high
degradability.
In
low-DOC
soils,
contamination
caused
2-fold
greater
depletion
than
with
DOC.
Sites
precipitation
temperature
had
conclusion,
there
complex
interactions
determining
impacts
health.
always
risks
but
severity
depends
characteristics,
properties,
conditions,
potential
exacerbation
by
greenhouse
emission-induced
climate
change.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(8)
Published: Aug. 1, 2024
Abstract
Micro/nanoplastic
(MNP)
pollution
in
soil
ecosystems
has
become
a
growing
environmental
concern
globally.
However,
the
comprehensive
impacts
of
MNPs
on
health
have
not
yet
been
explored.
We
conducted
hierarchical
meta‐analysis
over
5000
observations
from
228
articles
to
assess
broad
parameters
(represented
by
20
indicators
relevant
crop
growth,
animal
health,
greenhouse
gas
emissions,
microbial
diversity,
and
pollutant
transfer)
whether
depended
MNP
properties.
found
that
exposure
significantly
inhibited
biomass
germination,
reduced
earthworm
growth
survival
rate.
Under
exposure,
emissions
gases
(CO
2
,
N
O,
CH
4
)
were
increased.
caused
decrease
bacteria
diversity.
Importantly,
magnitude
impact
soil‐based
was
dependent
dose
size;
however,
there
is
no
significant
difference
type
(biodegradable
conventional
MNPs).
Moreover,
As
uptake
plants,
but
promoted
plant
Cd
accumulation.
Using
an
analytical
hierarchy
process,
we
quantified
negative
as
mean
value
−10.2%
(−17.5%
−2.57%).
Overall,
this
analysis
provides
new
insights
for
assessing
potential
risks
ecosystem
functions.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(15), P. 4379 - 4405
Published: July 22, 2024
Abstract
Microplastics
(MPs)
as
emerging
contaminants
have
a
global
occurrence,
including
both
terrestrial
and
marine
ecosystems.
Soil
enzymes
contribute
to
maintaining
ecosystem
multifunctionality,
for
example,
nutrient
cycling,
organic
material
decomposition,
carbon
climate
regulation.
Our
present
review
highlights
the
impacts
of
MPs
on
soil
enzyme
activities,
influencing
factors,
underlying
mechanisms.
Increasing
findings
confirm
that
can
change
activities
range
involved
in
biogeochemical
cycling
C
N.
However,
current
results
are
highly
controversial.
The
effects
vary
from
significant
nonsignificant
dependent
polymer
type,
biodegradability,
dosage,
size,
shape,
aging
degree
MPs,
exposure
conditions.
Compared
traditional
biodegradable
generally
show
more
pronounced
effects.
via
different
pathways.
On
one
hand,
directly
structure,
leading
alterations
activity.
other
create
unique
habitats,
provide
sources
specific
functional
microbes
producing
enzymes,
release
plastic
additives
pollutants
disturbing
production
these
enzymes.
Furthermore,
alter
physicochemical
biological
properties,
availability
substrates,
plants
fauna,
regulating
their
functions.
In
conclusion,
regulate
pose
profound
impact
multifunctionality.
