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.
Agronomy,
Journal Year:
2021,
Volume and Issue:
11(10), P. 2010 - 2010
Published: Oct. 4, 2021
Phosphorus
(P)
is
a
vital
soil
macronutrient
required
by
plants
for
optimum
growth
and
development.
However,
its
availability
limited
because
of
fixation.
The
phosphorus
fixation
reaction
pH
dependent.
In
acid
soils,
the
predominance
aluminium
(Al)
iron
(Fe)
oxides
in
both
crystalline
amorphous
forms
reduces
solubility
inorganic
P
through
on
positively
charged
surfaces
formation
insoluble
Al
Fe
precipitates.
alkaline
readily
reacts
with
calcium
(Ca)
to
form
sparingly
soluble
phosphates.
As
result,
large
proportion
applied
may
become
chemically
bound,
whereas
only
small
fraction
remains
solution
available
plant
uptake.
To
date,
there
little
information
use
charcoal
highly
negative
charge
wood
ash
high
alkalinity
minimise
soils.
Thus,
this
study
examined
potential
combined
unlock
Numerous
studies
have
been
conducted
identify
effective
approaches
improve
different
types
amendments,
regardless
whether
organically
or
inorganically
present.
For
example,
mitigate
amendments
such
as
compost
zeolite
are
used
reduce
sorption
sites.
These
also
increase
uptake
crop
productivity
deficient
soils
reducing
acidity
toxicity
Fe.
It
believed
that
long-term
application
sago
bark
can
change
physical
chemical
properties
improvements
do
not
but
they
promote
an
utilisation
nutrients
timely
release
maximum
production.
