Soil & Environmental Health,
Journal Year:
2024,
Volume and Issue:
2(1), P. 100061 - 100061
Published: Jan. 23, 2024
Soil
health
is
the
foundation
of
sustainable
agriculture,
and
its
preservation
paramount
in
global
arsenic
(As)
contamination
challenges.
As
a
critical
issue
for
environmental
agricultural
sustainability.
Rapid
urbanization
industrial
expansion
release
toxic
heavy
metal(loid)s,
including
As,
into
soil.
Arsenic
disrupts
rhizosphere
ecosystem,
affecting
plant
health,
microbial
communities,
overall
soil
functionality.
Ensuring
face
imperative
human
well-being
developing
resilient,
environment.
This
review
signifies
need
comprehensive
strategies
to
revitalize
ecosystems,
promoting
resilience
long-term
ecological
balance.
Advanced
biotechnological
approaches,
particularly
bioremediation
phytoremediation,
remediation,
mycoremediation,
nano-remediation,
other
integrative
strategies,
are
highlighted
their
effectiveness
addressing
health.
Conventional
physico-chemical
techniques
make
unsuitable
agriculture
by
disrupting
microenvironment.
Consequently,
urgent
remediation
demands
adoption
eco-friendly
such
as
bioremediation,
rhizoremediation,
enhance
Development
transgenic
lines
genetically
modified
organisms
(GMOs)
effective
tools
reducing
burden.
Sphingomonas
desiccabilis
Bacillus
idriensis
bacteria
expressing
arsM
gene,
well
subtilis
transformed
with
potential
GMOs
that
show
promising
results
reduce
Transgenic
rice,
incorporating
gene
from
Rhodopseudomonas
palustris,
demonstrated
10
times
more
volatile
arsenicals
reduced
accumulation
grain.
Additionally,
use
As-hyperaccumulating
species
conventional
methods,
like
chemical-assisted
phytoextraction,
decontaminating
As-polluted
Future
research
should
explore
contributions
novel
regions
affected
contamination.
Environment International,
Journal Year:
2021,
Volume and Issue:
156, P. 106749 - 106749
Published: July 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,
Journal Year:
2022,
Volume and Issue:
13
Published: March 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.
Carbon Research,
Journal Year:
2022,
Volume and Issue:
1(1)
Published: June 18, 2022
Abstract
Contamination
of
aquatic
and
soil
systems
by
organic
inorganic
pollutants
has
become
a
serious
issue
concern
worldwide.
Viable
cost-effective
solutions
are
urgently
needed
to
mitigate
the
negative
impacts
diverse
on
environment
human
health.
Biochar
emerged
as
an
effective
green
material
for
remediation
wide
spectrum
(in)organic
pollutants.
However,
applications
pristine
biochar
in
decontamination
have
encountered
bottlenecks
due
its
limited
properties
which
cannot
meet
desired
requirements.
Therefore,
multiple
modification
methods
been
developed
tailoring
physicochemical
enhance
effectiveness
environmental
decontamination.
This
work
provides
holistic
review
recent
advances
synthesis
engineered
using
physical,
chemical,
biological
methods.
Further
related
mechanisms
field
also
summarized
discussed.
In
addition,
existing
challenges
research
gaps
outlined,
future
needs
proposed.
summarizes
scientific
opportunities
comprehensive
understanding
biochars
materials
contaminated
water
soil.
Graphical
abstract
Environment International,
Journal Year:
2021,
Volume and Issue:
156, P. 106628 - 106628
Published: May 12, 2021
Functionalized
biochar
has
gained
extensive
interests
as
a
sustainable
amendment
for
an
effective
remediation
of
paddy
soils
contaminated
with
heavy
metals
(HMs).
We
examined
the
efficiency
pig
carcass-derived
(P-rich
biochar,
total
P
=
8.3%)
and
pristine
(raw
Fe
0.76%)
Fe-modified
(Fe-rich
5.5%)
green
waste-derived
biochars
immobilization
cadmium
(Cd)
lead
(Pb)
in
soil
under
pre-defined
redox
conditions
(Eh,
from
-400
to
+300
mV).
Average
concentrations
(μg
L-1)
dissolved
Cd
increased
reducing
up
10.9
control
soil,
decreased
oxidizing
below
detection
limit
(LDL
2.7)
raw
Fe-rich
treated
soils.
Application
by
43–59%
Eh
≤
-100
mV,
compared
non-treated
control,
which
was
more
than
(31–59%)
P-rich
(8–19%).
The
low
might
be
due
its
precipitation
sulfide
(S2-),
whereas
high
associated
increase
pH.
Concentrations
Pb
ranged
29.4
198.2
conditions,
LDL
(12.5)
conditions.
immobilizing
biochars,
particularly
0
mV
(55–82%),
retention
phosphates.
immobilized
(≤
-300
mV),
but
both
mobilized
higher
-200
especially
at
+100
decrease
pH
this
point
(pH
6.0
6.5).
These
results
improved
our
understanding
using
functionalized
stepwise
changes.
could
promising
approach
mitigating
risk
human
health
environment.
can
used
