Carbon Research,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: April 19, 2024
Abstract
Soil,
as
a
primary
repository
of
plastic
debris,
faces
an
escalating
influx
microplastics.
Microplastics
have
the
potential
to
decrease
soil
bulk
density
and
pH,
well
alter
pore
structure
aggregation.
These
changes
in
physicochemical
properties
subsequently
lead
habitat
degradation
for
microbes
environmental
shifts
that
impact
plant
growth.
Masquerading
carbon
storage,
microplastics
can
distort
assessments
pool
by
introducing
plastic-carbon
associated
leachates,
influencing
organic
matter
(SOM)
turnover
through
priming
effects
(e.g.,
dilution,
substrate
switching,
co-metabolisms).
Additionally,
influence
distribution
particulate
mineral-associated
matter,
consequently
affecting
accumulation
stability
carbon.
Furthermore,
also
chemodiversity
dissolved
(DOM)
soils
increasing
DOM
aromaticity
molecular
weight
while
deepening
its
humification
degree.
The
observed
may
be
attributed
inputs
from
microplastic-derived
along
with
organo-organic
organo-mineral
interactions
coupled
microbial
processes.
Acting
inert
source
carbon,
create
distinct
ecological
niche
growth
contribute
necromass
formation
pathways.
Conventional
reduce
contribution
stable
whereas
bio-microplastics
tend
increase
it.
exert
wide
range
on
performance
both
internal
external
factors,
seed
germination,
vegetative
reproductive
growth,
inducing
ecotoxicity
genotoxicity.
impacts
arise
alterations
environment
or
uptake
plants.
Future
research
should
aim
elucidate
storage
within
fractions,
paying
closer
attention
rhizosphere
dynamics
such
stabilization
mineral
protection
rhizodeposits
soils.
Graphical
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(3), P. 701 - 701
Published: Feb. 27, 2023
In
the
middle
of
20th
century,
production
plastics
exploded
worldwide
because
their
low
cost
and
versatility
applications.
However,
since
plastic
debris
is
highly
resistant
to
environmental
degradation,
a
growing
presence
in
all
ecosystems
has
been
confirmed.
Among
them,
particles
<
5
mm,
also
known
as
microplastics
(MPs),
are
special
concern
they
dispersed
aerial,
terrestrial
aquatic
environments,
being
soil
main
sink
these
contaminants.
Due
large
specific
surface
area
hydrophobicity,
MPs
considered
good
adsorbents
for
other
organic
pollutants
present
ecosystems,
such
pharmaceuticals,
personal-care
products
or
pesticides
with
which
can
interact
thus
modify
fate.
this
review
article,
we
examine
recent
literature
(from
2017
2022)
get
better
understanding
fate
(adsorption,
mobility
and/or
degradation)
when
simultaneously
ecological
risks
on
living
organisms
interactions
between
soil.
More
studies
needed
fully
understand
toxicological
impact
copresence
MPs.
Journal of Hazardous Materials,
Journal Year:
2023,
Volume and Issue:
460, P. 132504 - 132504
Published: Sept. 7, 2023
Recently,
the
environmental
and
agricultural
impact
of
plastic
waste
has
attracted
considerable
attention.
Here,
we
investigated
sub-micron
polyethylene
(PE)
polypropylene
(PP)
microplastics
(MPs)
on
nitrogen
cycling,
with
emphasis
bacterial
abundance
diversity
in
a
soil-soybean
(Glycine
max)
system.
Exposure
to
soil
containing
MPs
(50
500
mg
kg-1)
did
not
affect
soybean
growth,
but
significantly
increased
plant
uptake,
which
was
confirmed
by
activities
nitrogenase
glutamine
synthetase
root.
Additionally,
there
an
increase
16S
gene
copy
number
carbon
substrate
utilization,
indicating
activity
rhizosphere
microbial
communities.
Moreover,
MP
contamination
affected
taxonomic
profile
bacteria,
especially
symbiotic
free-living
bacteria
involved
cycling.
Furthermore,
qPCR
analysis
nitrogen-related
genes
Kyoto
Encyclopedia
Genes
Genomes
rRNA
sequencing
data
revealed
functional
associated
fixation
nitrification.
However,
concentration
polymer
type
have
significant
our
Overall,
these
results
provide
insights
into
interactions
between
communities
soil-legume
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(48), P. 20138 - 20147
Published: Nov. 7, 2023
Microplastics
(MPs)
pollution
and
dissolved
organic
matter
(DOM)
affect
soil
quality
functions.
However,
the
effect
of
MPs
on
DOM
underlying
mechanisms
have
not
been
clarified,
which
poses
a
challenge
to
maintaining
health.
Under
environmentally
relevant
conditions,
we
evaluated
major
role
polypropylene
particles
at
four
micron-level
sizes
(20,
200,
500
μm
mixed)
in
regulating
changes
content.
We
found
that
an
increase
aeration
by
medium
high-intensity
(>0.5%)
may
reduce
NH4+
leaching
accelerating
nitrification.
positive
nutrient
retention
through
adsorption
PO43-
(13.30-34.46%)
(9.03-19.65%)
their
leached
carbon
(MP-leached
carbon,
MP-DOC),
thereby
dynamic
balance
nutrients.
The
ion
(Ca2+)
is
also
important
competitor
MP-DOM
system,
its
intensity
are
dynamically
involved
process.
These
findings
can
help
predict
response
processes,
especially
cycling,
persistent
anthropogenic
stressors,
improve
risk
management
policies
MPs,
facilitate
protection
health
function,
future
agricultural
contexts.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
272, P. 116082 - 116082
Published: Feb. 8, 2024
Microplastics
(MPs)
are
widely
identified
as
emerging
hazards
causing
considerable
eco-toxicity
in
terrestrial
ecosystems,
but
the
impacts
differ
different
ecosystem
functions
among
chemical
compositions,
morphology,
sizes,
concentrations,
and
experiment
duration.
Given
close
relationships
trade-offs
between
plant
soil
systems,
probing
"whole
ecosystem"
instead
of
individual
must
yield
novel
insights
into
MPs
affecting
ecosystems.
Here,
a
comprehensive
meta-analysis
was
employed
to
reveal
an
unambiguous
response
plant-soil-microbial
system
MPs.
Results
showed
that
view
plant,
soil,
microbial
functions,
general
patterns
were
obviously
opposite.
For
example,
polyethylene
(PE)
polyvinyl
chloride
(PVC)
highly
increased
while
posed
negative
effects
on
functions.
Polystyrene
(PS)
biodegradable
(Bio)
decreased
stimulating
Additionally,
low-density
(LDPE),
PE,
PS,
PVC,
Bio,
granular
significantly
These
results
clearly
revealed
alter
equilibrium
system.
More
importantly,
our
further
tended
increase
multifunctionality,
e.g.,
LDPE
PVC
positive
Bio
neutral
multifunctionality.
Linear
regression
analysis
under
low
size
(<100
µm),
multifunctionality
gradually
reduced
with
The
concave
shape
pattern
along
gradient
experimental
duration
which
lower
than
70
days.
there
threshold
(i.e.,
5%
w/w)
for
concentration
i.e.,
(<
w/w),
MPs,
high
>
w/w).
findings
emphasize
importance
studying
systems
help
us
identify
ways
reduce
maintain
environmental
safety
ecology
perspective.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2022,
Volume and Issue:
5, P. 100195 - 100195
Published: March 11, 2022
Microplastic
is
considered
as
threat
to
the
terrestrial
environment.
This
study
analyzed
microplastics
contamination
in
four
different
agricultural
farmlands
using
stereomicroscopic
and
spectroscopic
(ATR-FTIR)
analysis.
Total
32
samples
were
collected
for
farmland.
About
22
MPs
particles
(size:
1–5
mm)
have
been
found.
2-types
of
(mean:
0.12
±
0.23)
found
rural
farmland,
9
(0.499
0.48)
sub-urban
6
(0.355
0.553)
urban
farmland
5
(0.315
0.476)
near
metropolitan
Fragments
dominant
than
others
(films,
fiber,
spherules).
Hence,
further
research
needed.
