Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
271, P. 115935 - 115935
Published: Jan. 10, 2024
The
accumulation
of
microplastics
in
agricultural
soil
brings
unexpected
adverse
effects
on
crop
growth
and
quality,
which
is
threatening
the
sustainability
agriculture.
Biochar
an
emerging
amendment
material
interest
as
it
can
remediate
pollutants.
However,
mechanisms
underlying
biochar
alleviated
toxic
crops
were
largely
unknown.
Using
a
common
economic
crop,
peanut
targeted
species,
present
study
evaluated
plant
physiologica
molecular
response
rhizosphere
microbiome
when
facing
microplastic
contamination
amendment.
Transcriptome
analyses
conducted
root
treated
with
CK
(no
no
addition),
MP
(1.5%
polystyrene
addition)
MB
microplastic+2%
shell
addition).
results
indicated
that
had
inhibitory
development
bacterial
diversity
function.
application
could
significantly
promote
expressions
key
genes
associated
antioxidant
activities,
lignin
synthesis,
nitrogen
transport
energy
metabolism
to
alleviate
reactive
oxygen
species
stress,
structure
damage,
nutrient
limitation,
inhibition
induced
by
root.
In
addition,
showed
restore
richness
microbial
communities
inhibited
availability
regulating
abundance
cycling-related
organic
matter
decomposition-related
communities.
Consequently,
enhance
promoting
oxidative
stress
resistance,
benefit
microecological
environment
for
development,
thereby
improved
plant-soil
system
health
microplastic-contaminated
agroecosystem.
Ecotoxicology and Environmental Safety,
Journal Year:
2021,
Volume and Issue:
211, P. 111887 - 111887
Published: Jan. 12, 2021
Cadmium
(Cd)
is
an
unessential
trace
element
in
plants
that
ubiquitous
the
environment.
Anthropogenic
activities
such
as
disposal
of
urban
refuse,
smelting,
mining,
metal
manufacturing,
and
application
synthetic
phosphate
fertilizers
enhance
concentration
Cd
environment
are
carcinogenic
to
human
health.
In
this
manuscript,
we
reviewed
sources
contamination
environment,
soil
factors
affecting
uptake,
dynamics
rhizosphere,
uptake
mechanisms,
translocation,
toxicity
plants.
crop
plants,
reduces
translocation
nutrients
water,
increases
oxidative
damage,
disrupts
plant
metabolism,
inhibits
morphology
physiology.
addition,
defense
mechanism
against
potential
remediation
strategies,
including
use
biochar,
minerals
nutrients,
compost,
organic
manure,
growth
regulators,
hormones,
phytoremediation,
bioremediation,
chemical
methods
also
highlighted
review.
This
manuscript
may
help
determine
ecological
importance
stress
interdisciplinary
studies
essential
strategies
overcome
agricultural
soils.
