TURKISH JOURNAL OF AGRICULTURE AND FORESTRY,
Год журнала:
2024,
Номер
48(4), С. 580 - 594
Опубликована: Авг. 9, 2024
Global
crop
yield
and
growth
are
severely
impacted
by
hazardous
heavy
metal
contamination
of
the
soil
water.
This
study
examined
effects
on
a
range
physiological,
biochemical,
morphological
parameters
two
canola
(Brassica
napus
L.)
cultivars,
Punjab
(V1)
Super
(V2),
when
they
were
subjected
to
three
different
levels
cadmium
(Cd)
stress
(0,
1.5,
2.25
mM)
foliar
application
biostimulant,
i.e.,
Moringa
leaf
extract
(MLE).
Plants
in
V1
(Punjab)
collect
more
Cd
both
their
aerial
subterranean
sections
than
V2
(Super).The
physiological
indicators
showed
substantial
(p
<
0.05)
deterioration
as
result
buildup.
Ascorbic
acid
malondialdehyde
(MDA)
hydrogen
peroxide
(H2O2)
considerably
elevated
under
stress.
has
higher
H2O2
values
which
suggests
that
oxidative
there
higher.
Additionally,
activity
some
antioxidant
enzymes,
such
catalase
peroxidase
(65
40%,
respectively),
reduced
concentration
(2.25
mM).
demonstrated
stronger
defence
mechanisms
V1,
seen
115%
rise
POD
activity,
70%
increase
shoot
fresh
weight,
49%
amino
acids
following
MLE
spray.
Despite
this,
was
still
able
withstand
Cd.
Under
stress,
treatment
increased
kinds'
yield,
growth,
characteristics.
The
findings
indicated
applying
spray
can
improve
productivity
lessen
impacts
metals
B.
L.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Март 29, 2023
Toxic
cadmium
(Cd)
was
removed
from
water
using
eggshell-based
hydroxyapatite
(HAp)
grafted
bentonite
(HAp/bentonite)
composite
through
a
straightforward
chemical
synthesis
route.
The
as-prepared
adsorbents
were
characterized
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
spectroscopy
(FTIR),
and
Brunauer-Emmett-Teller
analysis
(BET).
Optimization
of
the
initial
adsorbate
concentration,
adsorbent
dosage,
pH,
contact
time-all
which
affect
adsorption
process-was
performed
central
design
(CCD)
response
surface
methodology
(RSM).
99.3
percent
adsorptive
removal
efficiency
observed
at
an
concentration
61.58
mg/L
Cd
(II),
with
dosage
1.58
g,
solution
pH
5.88,
time
49.63
min.
variance
(ANOVA)
performed,
multiple
correlation
coefficient
(R2)
found
to
be
0.9915
confirms
significance
predicted
model.
Langmuir
isotherm
model
best
represented
data,
also
maximum
sorption
capacity
125.47
mg/g.
kinetic
data
described
by
pseudo-second
order
Molecules,
Год журнала:
2023,
Номер
28(8), С. 3478 - 3478
Опубликована: Апрель 14, 2023
The
application
of
fungicides
(such
as
tebuconazole)
can
impose
harmful
impacts
on
the
ecosystem
and
humans.
In
this
study,
a
new
calcium
modified
water
hyacinth-based
biochar
(WHCBC)
was
prepared
its
effectiveness
for
removing
tebuconazole
(TE)
via
adsorption
from
tested.
results
showed
that
Ca
loaded
chemically
(CaC2O4)
onto
surface
WHCBC.
capacity
increased
by
2.5
times
in
comparison
to
unmodified
hyacinth
biochar.
enhanced
attributed
improved
chemical
through
modification.
data
were
better
fitted
pseudo-second-order
kinetics
Langmuir
isotherm
model,
indicating
process
dominated
monolayer
adsorption.
It
found
liquid
film
diffusion
main
rate-limiting
step
process.
maximum
WHCBC
40.5
mg/g
TE.
indicate
absorption
mechanisms
involved
complexation,
hydrogen
bonding,
π-π
interactions.
inhibitory
rate
Cu2+
Ca2+
TE
at
4.05-22.8%.
contrast,
presence
other
coexisting
cations
(Cr6+,
K+,
Mg2+,
Pb2+),
well
natural
organic
matter
(humic
acid),
could
promote
4.45-20.9%.
addition,
regeneration
able
reach
up
83.3%
after
five
cycles
desorption
stirring
with
0.2
mol/L
HCl
(t
=
360
min).
suggest
has
potential
water.
