Sustainability,
Год журнала:
2025,
Номер
17(5), С. 2084 - 2084
Опубликована: Фев. 28, 2025
Maize
and
wheat
grains
are
at
significant
risk
of
accumulating
excessive
heavy
metals
in
acidic
soils,
but
relatively
few
comparative
studies
have
been
conducted
on
the
two.
This
study
employed
Spearman
correlation
analysis,
random
forest
modeling,
structural
equation
modeling
to
systematically
investigate
interdependences
between
soil
properties
metal
accumulation
(Cd,
Cr,
As,
Pb,
Hg)
cereal
grains.
The
results
revealed
distinct
patterns
content
sequences
maize
grains:
exhibited
Cr
>
Pb
As
Cd
Hg,
while
followed
Hg.
Bioconcentration
factor
(BCF)
differed
significantly,
showing
Hg
versus
wheat.
Soil
cation
exchange
capacity
demonstrated
strongest
influence
both
crops.
Arsenic
mechanisms
displayed
species-specific
dependencies,
with
primarily
regulated
by
organic
matter
clay
content.
Notably,
a
positive
(p
≤
0.05)
concentrations
was
observed
crops,
suggesting
potential
homologous
pollution
sources.
These
findings
elucidate
crop-specific
governed
physicochemical
properties.
demonstrates
that
under
similar
growing
conditions,
(BCF
=
0.068)
exhibits
weaker
ability
accumulate
compared
0.467).
Moreover,
showed
responses
properties,
particularly
their
Cd.
By
addressing
contamination
this
work
supports
development
safer
agricultural
practices
improved
crop
quality
control.
Sustainability,
Год журнала:
2025,
Номер
17(2), С. 416 - 416
Опубликована: Янв. 8, 2025
Global
population
growth
generates
problems
relating
to
increasing
demand
for
sustainable
energy
and
waste
treatment.
Proper
solid
management
promotes
material
reuse,
maximizes
recovery
reduces
anthropological
pressure
on
natural
resources.
Anaerobic
digestion
(AD)
is
an
alternative
method
of
stabilizing
organic
substrates
generating
biogas
as
a
source
environmentally
friendly
energy.
In
addition,
digestate
not
only
product
that
process
but
also
renewable
resource
with
many
potential
applications.
The
circular
economy
concept
encourages
the
use
nutrients
plant
improves
soil
properties.
However,
stabilized
often
contain
various
contaminants,
including
heavy
metals
(HMs)
antibiotics
are
detected
in
digestate.
Therefore,
agricultural
obtained
by
AD
could
increase
pool
these
pollutants
water
environments
contribute
their
circulation
ecosystems.
Moreover,
may
co-selection
genes
determining
resistance
HMs
environmental
microorganisms.
This
article
comprehensively
reviews
published
data
residues
antimicrobial
substances
different
digestates
around
world
maps
scope
problem.
risk
residual
levels
contaminants
has
been
evaluated.
review
highlights
lack
legal
standards
regulating
concentrations
drugs
introduced
into
results
ecological
assessment
indicate
presence
medically
important
antimicrobials
products,
especially
those
used
agriculture,
should
be
limited.
Land,
Год журнала:
2025,
Номер
14(2), С. 221 - 221
Опубликована: Янв. 22, 2025
Heavy
metal
contamination
in
soil
is
a
global
issue
threatening
human
health
and
ecosystems.
Accurate
spatial
maps
of
heavy
metals
(HMs)
are
vital
to
mitigating
the
adverse
effects
on
ecosystem.
This
study
utilizes
GIS
multivariate
analysis
evaluate
HMs
agricultural
soils
from
Al
Ghat
Governorate,
Saudi
Arabia,
analyzing
Al,
As,
Co,
Cr,
Cu,
Fe,
Mn,
Ni,
Pb,
V,
Zn
using
ICP-AES
35
samples.
Methods
included
factor
(CF),
enrichment
(EF),
risk
index
(RI),
geoaccumulation
(Igeo),
pollution
load
(PLI),
quality
guidelines
(SQGs),
analysis.
The
soils,
characterized
by
sandy
texture,
low
organic
matter,
alkalinity
due
arid
conditions
high
calcium
carbonate,
had
following
HM
concentrations
(mg/kg)
descending
order:
Fe
(11,480)
˃
(7786)
Mn
(278)
(72.37)
Ni
(28.66)
V
(21.80)
Cr
(19.89)
Co
(19.00)
Cu
(12.46)
Pb
(5.46)
As
(2.69).
EF,
CF,
Igeo
suggest
natural
sources
for
most
HMs,
predominantly
sedimentary
sequence,
with
localized
Zn,
linked
mixed
influences.
PLI
RI
indicated
acceptable
levels,
posing
no
ecological
risk.
All
samples
fell
below
SQG
thresholds
confirming
minimal
threat.
Statistical
highlighted
cover
as
primary
source,
activities
contributing
levels.
Toxics,
Год журнала:
2025,
Номер
13(2), С. 69 - 69
Опубликована: Янв. 21, 2025
With
the
rapid
development
of
industry
and
agriculture,
soil
heavy
metal
contamination
has
become
an
important
environmental
issue
faced
today
gradually
attracted
widespread
attention.
Finding
a
cheap,
widely
available,
biodegradable
material
that
can
promote
crop
growth
stabilize
metals
research
focus.
Crop
straw
biochar,
due
to
its
high
specific
surface
area,
rich
functional
groups,
cation
exchange
capacity
(CEC),
shown
good
effects
on
remediation
inorganic
organic
pollutants
in
environment.
This
article
reviews
recent
use
biochar
for
remediation,
providing
detailed
analysis
from
preparation,
characteristics,
modification
mechanisms
reducing
toxicity
soil,
application
risks
remediating
metal-contaminated
soils.
It
also
comprehensively
discusses
potential
The
results
show
be
used
as
new
type
immobilizing
soils,
but
there
are
issues
with
technology
needs
optimized
innovated,
which
poses
challenges
biochar.
In
future,
efforts
should
strengthened
optimize
innovate
conduct
cheap
modified
co-application
other
materials
carry
out
long-term
monitoring
order
achieve
goal
ensuring
food
safety
rational
solid
waste.
Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
289, С. 117699 - 117699
Опубликована: Янв. 1, 2025
A
comprehensive
understanding
of
cadmium
(Cd)
migration
in
soils
near
contaminated
hotspots
is
crucial
for
optimizing
remediation
efforts
and
ensuring
crop
health.
This
study
investigates
agricultural
from
four
sites
mining
sewage-irrigation
areas,
assessing
the
impact
inorganic
organic
fertilizer
application
on
soil
Cd
remobilization.
Results
revealed
that
fertilization,
particularly
with
mineral
phosphorus,
disrupts
stability,
substantially
increases
short-term
mobility
vulnerable
regions.
Random
Forest
analysis
identified
elevated
dissolved
matter
pH
changes
as
key
drivers
Monte
Carlo
simulation,
integrating
Michaelis-Menten
reaction
kinetics
model,
further
accessed
potential
risk
The
model
predicted
probabilities
grain
exceeding
thresholds
ranged
021.6
%
rice,
13.8
%100
wheat,
084.2
maize
absence
use.
Fertilization
significantly
increased
these
exceedance
by
6.1
%87.4
%,
highest
risks
observed
irrigation-contaminated
soils,
under
phosphorus
fertilization.
Nevertheless,
it
recommended
while
fertilization
can
elevate
remobilization
hotspots,
strategies
might
not
always
be
necessary.
highlights
hybrid
data-driven
approaches,
combining
machine
learning,
mechanistic
stochastic
prediction
to
simplify
complex
environmental
process,
allowing
integrated
evaluations.
