Ecotoxicology and Environmental Safety,
Год журнала:
2020,
Номер
205, С. 111144 - 111144
Опубликована: Авг. 23, 2020
Cadmium
(Cd)
contamination
is
the
most
common
and
extensive
heavy
metal
pollution
in
farmland
of
China.
Phytoremediation
considered
as
a
promising
measure
for
Cd-contaminated
soil
remediation,
but
remediation
efficiency
still
needs
to
be
enhanced.
Biochar
an
effective
amendment
medium
widely
manufactured
studied
metals.
In
this
study,
greenhouse
pot
trial
was
conducted
investigate
effects
cornstalk
biochar
on
Cd
accumulation
Beta
vulgaris
var.
cicla
L.
(Beta
vulgaris)
contaminated
soil.
The
availability,
speciation
nutrients
soil,
biomass
chemical
forms
root
were
explore
mechanism
that
how
promoted
vulgaris.
reduced
DTPA-extractable
concentration
stimulated
growth
root.
Compared
without
treatment,
results
5%
showed
dry
weight
increased
267%,
206%
leaves
roots
by
36%
52%,
respectively.
Additionally,
after
applied
total
content
organic
matter-bound
residual
38%,
while
Fe–Mn
oxides-bound
decreased
40%.
Meanwhile,
may
mainly
bind
cell
wall
ratio
NaCl-extracted
HAc-extracted
166%
with
amendment.
According
our
can
removed
phytoremediation
improved
combination
strategy
remediation.
Environment International,
Год журнала:
2021,
Номер
156, С. 106749 - 106749
Опубликована: Июль 8, 2021
Cadmium
(Cd)
contamination
in
paddy
fields
is
a
serious
health
concern
because
of
its
high
toxicity
and
widespread
pollution.
Recently,
much
progress
has
been
made
elucidating
the
mechanisms
involved
Cd
uptake,
transport,
transformation
from
soils
to
rice
grains,
aiming
mitigate
associated
risk;
however,
these
topics
have
not
critically
reviewed
date.
Here,
we
summarized
(1)
geochemical
distribution
speciation
soil-rice
systems,
(2)
mobilization,
transport
soil
grains
risks,
(3)
pathways
(4)
transporters
reducing
accumulation
plants,
(5)
factors
governing
bioavailability
paddy,
(6)
comparison
remediation
approaches
for
mitigating
environmental
risks
fields.
Briefly,
this
review
presents
state
art
about
fate
contributing
better
understanding
hazards
ecosystems.
Challenges
perspectives
controlling
are
thus
raised.
The
findings
may
help
develop
innovative
applicable
methods
sustainably
manage
Cd-contaminated
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Март 9, 2022
Cadmium
(Cd)
is
a
major
environmental
contaminant
due
to
its
widespread
industrial
use.
Cd
contamination
of
soil
and
water
rather
classical
but
has
emerged
as
recent
problem.
toxicity
causes
range
damages
plants
ranging
from
germination
yield
suppression.
Plant
physiological
functions,
i.e.,
interactions,
essential
mineral
uptake,
photosynthesis,
are
also
harmed
by
Cd.
Plants
have
shown
metabolic
changes
because
exposure
either
direct
impact
on
enzymes
or
other
metabolites,
propensity
produce
reactive
oxygen
species,
which
can
induce
oxidative
stress.
In
years,
there
been
increased
interest
in
the
potential
with
ability
accumulate
stabilize
compounds
for
bioremediation
pollution.
Here,
we
critically
review
chemistry
dynamics
rhizosphere,
toxic
effects
plant
growth,
formation.
To
conserve
environment
resources,
chemical/biological
remediation
processes
their
efficacy
summarized
this
review.
Modulation
growth
regulators
such
cytokinins,
ethylene,
gibberellins,
auxins,
abscisic
acid,
polyamines,
jasmonic
brassinosteroids,
nitric
oxide
highlighted.
Development
genotypes
restricted
uptake
reduced
accumulation
edible
portions
conventional
marker-assisted
breeding
presented.
regard,
use
molecular
techniques
including
identification
QTLs,
CRISPR/Cas9,
functional
genomics
enhance
adverse
impacts
may
be
quite
helpful.
The
review’s
results
should
aid
development
novel
suitable
solutions
limiting
bioavailability
toxicity,
well
long-term
management
Cd-polluted
soils,
therefore
reducing
human
health
hazards.
Environmental Pollution,
Год журнала:
2024,
Номер
344, С. 123365 - 123365
Опубликована: Янв. 16, 2024
Cadmium
(Cd)
accumulates
in
the
vegetative
tissues
of
rice
and
wheat
crops,
posing
a
serious
threat
food
chain.
A
long-term
field
experiment
was
conducted
to
investigate
effects
husk
biochar
(RHB),
farm
manure
(FM),
press
mud
(PrM),
poultry
(PM)
on
growth,
yield,
economics
crops
grown
with
sewage
water.
The
results
showed
that
RHB
increased
plant
height
(27,
66,
70%),
spike-length
(33,
99,
56%),
straw
yield
(21,
51,
49%),
grain
(42,
63,
65%)
year-1,
year-2,
year-3,
than
respective
controls.
For
crop,
maximum
increase
(64,
92,
96%),
spike
length
(55,
95,
90%),
(34,
53,
55%),
(46,
69%)
each
year
(2019–2021),
compared
their
Cd
immobilization
by
application
while
other
treatments
followed
FM
>
PrM
PM
control
crops.
benefit-cost
ratio
remained
for
2nd
3rd
years
sequence,
proved
more
economical
consistently
produced
lower
concentration
FM,
PrM,
grains.
This
suggested
organic
amendments
biomass
decreased
tissues.
effective
terms
low
accumulation
Abstract
Biochar
is
a
carbon-rich
material
produced
through
the
pyrolysis
of
various
feedstocks.
It
can
be
further
modified
to
enhance
its
properties
and
referred
as
biochar
(MB).
The
research
interest
in
MB
application
soil
has
been
on
surge
over
past
decade.
However,
potential
benefits
are
considerable,
efficiency
subject
influencing
factors.
For
instance,
unknown
physicochemical
characteristics,
outdated
analytical
techniques,
limited
understanding
factors
that
could
impact
effectiveness
after
application.
This
paper
reviewed
recent
literature
pertaining
evolved
characteristics
provide
comprehensive
beyond
synthesis
techniques.
These
include
surface
area,
porosity,
alkalinity,
pH,
elemental
composition,
functional
groups.
Furthermore,
it
explored
innovative
methods
for
characterizing
these
evaluating
their
applications.
In
addition
exploring
limitations
utilizing
amendment,
this
article
delved
into
influence
efficacy,
along
with
latest
findings
advancements
technology.
Overall,
study
will
facilitate
current
knowledge
identification
gaps
our
MB.
Graphical
