Effect of electric field frequency on phytoremediation efficiency and properties of Cd-contaminated soil
Abstract
Electrochemical-phytoextraction
is
considered
as
an
integrated
technology
for
removal
of
Cd
in
contaminated
soil.
However,
there
a
lack
systematic
studies
on
the
how
electric
field
frequency
plant
enrichment
and
soil
microbial
properties,
which
has
restricted
optimised
application
technology.
This
study
investigated
influence
alternating
current
(AC)
at
frequencies
50
Hz
300
accumulation
willow
(Salix
spp .),
availability,
properties.
Exposure
to
AC
resulted
different
degrees
increase
biomass
production
leaves,
branches,
stems,
roots;
concentrations
N,
P,
K
willow;
increased
root
volume
surface
area;
promoted
photosynthesis
willow.
Compared
with
control,
significantly
enhanced
above-ground
parts
roots
by
14.65%
9.48%,
respectively.
Moreover,
exposure
availability
8.34%
19.26%
Hz,
decreased
urease
activity
but
peroxidase
acid,
phosphatase,
activity.
suggests
that
modulate
interactions
between
Cd,
enzymes,
microbes.
Although
generally
inhibit
enzyme
activity,
can
alter
environment,
reduce
toxic
effects,
enhance
oxidative
stress
responses
nutrient
cycling,
mitigate
toxicity.
Therefore,
these
results
indicate
growth,
altered
ultimately
leading
uptake
In
particular,
exhibited
greater
impacts
enrichment.
Published: April 29, 2025
Language: Английский