There
is
a
major
knowledge
gap
concerning
the
extent
of
microplastic
pollution
in
agronomic
regions
China,
which
represent
plastic
use
hotspot.
This
study
investigated
characteristics
microplastics
distributed
agricultural
soils
from
three
typical
(Beijing
(BJ),
Shandong
(SD),
and
Xinjiang
(XJ))
with
two
film
mulching
modes
(greenhouse
(G)
conventional
field-based
(M))
China.
The
average
abundance
under
G
M
was
3.60×104
items
kg-1
3.01×104
kg-1,
respectively,
estimated
weight
per
kg
dry
BJ,
SD,
XJ
3.12
mg
5.63
7.99
respectively.
Microplastics
farmland
were
mainly
small
particle
size
(50
to
250
μm),
their
decreasing
increasing
size.
Among
detected,
polyethylene
polypropylene
dominant
types
present,
accounting
for
50.0%
19.7%,
In
addition,
mode
(G
vs.
M)
had
stronger
effect
on
distribution
than
region.
research
provides
key
data
an
assessment
environmental
risk
supports
development
guidelines
sustainable
film.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
948, P. 174697 - 174697
Published: July 15, 2024
The
fate
of
black
biodegradable
mulch
film
(MF)
based
on
starch
and
poly(butylene-adipate-co-terephthalate)
(PBAT)
in
agricultural
soil
is
investigated
herein.
Pristine
(BIO-0)
UV-aged
samples
(BIO-A192)
were
buried
for
16
months
at
an
experimental
field
southern
Italy.
Visual,
physical,
chemical,
morphological,
mechanical
analyses
carried
out
before
after
burial.
Film
residues
the
form
macro-
microplastics
analyzed
end
trial.
Progressive
deterioration
both
pristine
samples,
with
surface
loss
alterations
properties,
occurred
from
42
days
After
478
days,
apparent
BIO-0
BIO-A192
films
decreased
by
57
%
66
%,
respectively.
Burial
determined
a
rapid
depletion
polymeric
blend,
especially
BIO-A192,
while
degradation
polyester
phase
was
slower.
Upon
burial,
enrichment
aromatic
moieties
PBAT
observed,
as
well
release
to
soil.
analysis
MF
products
extracted
(0.006–0.008
mass
samples)
revealed
predominant
presence
adipate
moieties.
about
23
17
initial
amount
respectively,
This
comprehensive
study
underscores
complexity
biodegradation
phenomena
that
involve
new
generation
field.
different
biodegradability
components,
climate,
conditions
did
not
strictly
meet
parameters
required
standard
test
method
devised
MFs,
have
significantly
influenced
their
rate.
finding
further
emphasizes
importance
implementing
experiments
accurately
assess
real
effects
MFs
health
overall
agroecosystem
sustainability.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1147 - 1147
Published: June 5, 2024
Microplastics
(MPs),
found
in
many
places
around
the
world,
are
thought
to
be
more
detrimental
than
other
forms
of
plastics.
At
present,
physical,
chemical,
and
biological
methods
being
used
break
down
MPs.
Compared
with
physical
chemical
methods,
biodegradation
have
been
extensively
studied
by
scholars
because
their
advantages
greenness
sustainability.
There
numerous
reports
recent
years
summarizing
microorganisms
capable
degrading
However,
there
is
a
noticeable
absence
systematic
summary
on
technology
for
breeding
strains
that
can
degrade
This
paper
summarizes
strain-breeding
MP-degrading
first
time
way,
which
provides
new
idea
efficient
strains.
Meanwhile,
potential
techniques
bacteria
MPs
proposed,
providing
direction
selecting
future.
In
addition,
this
reviews
sources
pollution
status
soil
MPs,
discusses
current
challenges
related
emphasizes
safety
MP
biodegradation.
