Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
287, P. 117254 - 117254
Published: Nov. 1, 2024
In
the
soil
environment,
microplastics
(MPs)
commonly
coexist
with
organic
pollutants
such
as
nonylphenol
(NP),
affecting
migration
of
NP
through
adsorption/desorption.
However,
few
studies
have
focused
on
interaction
between
and
MPs
in
soil,
especially
for
different
types
ageing
characteristics.
this
study,
non-polar
polypropylene
(PP)
polar
polyamide
(PA)
were
aged
either
photochemically
(144
h)
or
within
(60
days),
then
used
to
determine
effect
5
%
adsorption
behaviour
(0.1-4.0
mg/L)
soil.
Results
showed
that
both
processes
significantly
promoted
conversion
-CH
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
283, P. 116805 - 116805
Published: Aug. 3, 2024
The
accumulation
of
polyethylene
microplastics
(PE-MPs)
in
soil
has
raised
considerable
concerns;
however,
the
effects
their
persistence
and
mitigation
on
agroecosystems
have
not
been
explored.
This
study
aimed
to
assess
detrimental
PE-MPs
a
soil-plant
system
evaluate
using
novel
microbial
consortium
(MC).
We
incorporated
low-density
(LDPE)
high-density
(HDPE)
at
two
different
concentrations,
along
with
control
(0
%,
1
2
%
w/w)
into
sandy
loam
for
duration
135
days.
samples
were
also
treated
MC
incubated
comprised
three
bacterial
strains
(Ralstonia
pickettii
(MW290933)
strain
SHAn2,
Pseudomonas
putida
ShA,
Lysinibacillus
xylanilyticus
XDB9
(T)
S7-10F),
fungal
(Aspergillus
niger
F1-16S).
Sunflowers
subsequently
cultivated,
physiological
growth
parameters
measured.
results
showed
that
adding
LDPE
significantly
decreased
pH
by
1.06
units
compared
control.
Moreover,
HDPE
resulted
more
significant
decrease
electrical
conductivity
(EC)
relative
A
dose-dependent
increase
dissolved
organic
carbon
(DOC)
was
observed,
highest
DOC
found
LDPE.
addition
higher
dosages
reduced
bulk
density
(BD)
than
HDPE.
increased
water
drop
penetration
time
(WDPT)
but
mean
weight
diameter
aggregates
(MWD)
water-stable
(WSA)
revealed
levels
enhanced
basal
respiration
(BR)
biomass
(MBC).
interaction
MP
percentages
considerably
pH,
EC,
BD,
WDPT
DOC,
MWD,
WSA,
BR,
MBC.
Regarding
plant
growth,
incorporating
responses
sunflower:
chlorophyll
content
(Chl;
-15.2
%),
Fv/Fm
ratio
(-25.3
shoot
dry
(ShD;
-31.3
root
(RD;
-40
leaf
area
(LA;
-38.4
stem
(StemD;
-25
%)
control;
ameliorated
harmful
investigated
responses.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
287, P. 117254 - 117254
Published: Nov. 1, 2024
In
the
soil
environment,
microplastics
(MPs)
commonly
coexist
with
organic
pollutants
such
as
nonylphenol
(NP),
affecting
migration
of
NP
through
adsorption/desorption.
However,
few
studies
have
focused
on
interaction
between
and
MPs
in
soil,
especially
for
different
types
ageing
characteristics.
this
study,
non-polar
polypropylene
(PP)
polar
polyamide
(PA)
were
aged
either
photochemically
(144
h)
or
within
(60
days),
then
used
to
determine
effect
5
%
adsorption
behaviour
(0.1-4.0
mg/L)
soil.
Results
showed
that
both
processes
significantly
promoted
conversion
-CH
