Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
364, P. 125315 - 125315
Published: Nov. 20, 2024
To
address
plastic
pollution
in
agricultural
soils
due
to
polyethylene
film
mulch
used,
biodegradable
is
being
studied
as
a
promising
alternative
material
for
sustainable
agriculture.
However,
the
impact
of
and
microplastics
on
soil
carbon
remains
unclear.
The
field
experiment
was
conducted
with
Poly
(butyleneadipate-co-terephthalate)
debris
(PBAT-D,
0.5-2
cm),
low-density
(LDPE-D,
cm)
microplastic
(LDPE-Mi,
500-1000
μm)
contaminated
(0%
(control),
0.05%,
0.1%,
0.2%,
0.5%,
1%
2%
w:w)
planted
soybean,
explore
potential
impacts
respiration
(Rs),
organic
(SOC)
fractions
(microbial
biomass
(MBC),
dissolved
(DOC),
easily
oxidizable
(EOC),
particulate
(POC),
mineral-associated
(MAOC)),
C-enzymes
(β-glucosidase,
β-xylosidase,
cellobiohydrolase).
Results
showed
that
PBAT-D,
LDPE-D
LDPE-Mi
significantly
inhibited
Rs
compared
control
during
flowering
harvesting
stages
(p<0.05).
SOC
increased
PBAT-D
treatments
at
both
stages,
stage,
but
decreased
stage.
In
treatments,
POC
DOC
MAOC
stages.
MBC,
EOC
MBC
while
For
C-enzymes,
no
significant
inhibition
observed
they
were
all
It
concluded
facilitates
sequestration,
which
may
potentially
alter
pool
emissions.
key
significance
this
study
overall
effects
different
forms
dynamics,
inform
future
efforts
farmlands.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
364, P. 125315 - 125315
Published: Nov. 20, 2024
To
address
plastic
pollution
in
agricultural
soils
due
to
polyethylene
film
mulch
used,
biodegradable
is
being
studied
as
a
promising
alternative
material
for
sustainable
agriculture.
However,
the
impact
of
and
microplastics
on
soil
carbon
remains
unclear.
The
field
experiment
was
conducted
with
Poly
(butyleneadipate-co-terephthalate)
debris
(PBAT-D,
0.5-2
cm),
low-density
(LDPE-D,
cm)
microplastic
(LDPE-Mi,
500-1000
μm)
contaminated
(0%
(control),
0.05%,
0.1%,
0.2%,
0.5%,
1%
2%
w:w)
planted
soybean,
explore
potential
impacts
respiration
(Rs),
organic
(SOC)
fractions
(microbial
biomass
(MBC),
dissolved
(DOC),
easily
oxidizable
(EOC),
particulate
(POC),
mineral-associated
(MAOC)),
C-enzymes
(β-glucosidase,
β-xylosidase,
cellobiohydrolase).
Results
showed
that
PBAT-D,
LDPE-D
LDPE-Mi
significantly
inhibited
Rs
compared
control
during
flowering
harvesting
stages
(p<0.05).
SOC
increased
PBAT-D
treatments
at
both
stages,
stage,
but
decreased
stage.
In
treatments,
POC
DOC
MAOC
stages.
MBC,
EOC
MBC
while
For
C-enzymes,
no
significant
inhibition
observed
they
were
all
It
concluded
facilitates
sequestration,
which
may
potentially
alter
pool
emissions.
key
significance
this
study
overall
effects
different
forms
dynamics,
inform
future
efforts
farmlands.
