Toxics,
Год журнала:
2023,
Номер
11(4), С. 355 - 355
Опубликована: Апрель 8, 2023
Soil
pollution
with
oil
as
a
result
of
accidents
at
pipelines
and
refineries
is
frequent
occurrence
in
the
south
Russia.
To
restore
such
polluted
lands,
it
necessary
to
carry
out
soil
remediation
measures.
This
work
aimed
evaluate
use
ameliorants
various
natures
(biochar,
sodium
humate,
microbial
preparation
Baikal
EM-1)
ecological
state
oil-contaminated
soils
different
properties
(Haplic
Chernozem,
Haplic
Arenosols,
Cambisols).
assess
soils,
following
physicochemical
biological
indicators
were
studied:
residual
content,
redox
potential,
medium
reaction
(pH).
Changes
enzymatic
activity
also
studied,
including
catalase,
dehydrogenases,
invertase,
urease,
phosphatase.
The
greatest
decomposition
Chernozem
Cambisols
was
provided
by
EM-1
(56
26%),
this
biochar
(94%)
humate
(93%).
In
Cambisols,
content
easily
soluble
salts
addition
increased
83
58%,
respectively.
introduction
caused
an
increase
pH
from
5.3
Cambisols)
8.2
Arenosols).
Arenosols
biochar,
stimulated
catalase
dehydrogenases
52-245%.
invertase
after
15-50%.
urease
into
borax
Arenosol
15-250%.
most
effective
ameliorant
for
restoring
biochar.
For
effectiveness
did
not
differ.
informative
indicator
results
study
should
be
used
biomonitor
bioremediation.
Communications in Soil Science and Plant Analysis,
Год журнала:
2022,
Номер
53(7), С. 826 - 847
Опубликована: Янв. 21, 2022
The
drought
ameliorative
effects
of
poly(acrylic
acid)
hydrogel
(HG),
biochar
(BC)
and
plant
growth-promoting
rhizobacteria
(PGPR)
were
evaluated
on
soybean
exposed
to
stress.
Prior
sowing,
seeds
soaked
for
3–4
h
in
the
broth
culture
Planomicrobium
chinense
(MF616408)
Pseudomonas
putida
(KX574857),
while
BC
(5
g/kg
soil)
HG
(2
mixed
with
autoclaved
soil.
Plants
well
watered
grown
under
natural
conditions
35
d,
followed
by
4
d
exposure.
While
stress
negatively
impacted
growth,
individual
application
BC,
PGPR
combating
noteworthy
a
predominant
increase
biomass
antioxidant
enzymes
(superoxide
dismutase
(SOD)
catalase
(CAT))
elevated
soil
nutrients
observed.
assisted
retaining
moisture
content
(SMC)
further
leaf
relative
water
(LRWC)
fresh
weight
(FW)
root.
combined
consortium
was
most
effective
improving
photosynthetic
pigments,
FW
shoot
fertility
status.
Likewise,
had
stimulatory
osmoregulants,
significantly
nutrient
retention.
It
is
inferred
that
combination
isolates
are
mitigating
strategies.
Applied Sciences,
Год журнала:
2024,
Номер
14(9), С. 3591 - 3591
Опубликована: Апрель 24, 2024
The
research
focused
on
assessing
the
response
of
oxidoreductases
(dehydrogenases
and
catalase)
hydrolases
(urease,
acid
phosphatase,
alkaline
arylsulfatase,
β-glucosidase)
to
diesel
oil
(DO)
gasoline
(G)
contamination
soils
subjected
phytoremediation
with
Zea
mays.
activity
enzymes
constitutes
one
fundamental
mechanisms
for
removal
contaminants
from
soil,
which
have
potential
contaminate
not
only
soil
but
also
groundwater
water
reservoirs.
Additionally,
correlations
between
enzyme
basic
physicochemical
properties
were
determined.
interaction
perlite
dolomite
cultivated
plant
was
tested.
study
carried
out
in
a
pot
experiment,
where
contaminated
DO
or
G
artificially
treated
at
doses
0,
8
cm3,
16
cm3
kg−1.
Perlite
applied
remediation
0
10
g
kg−1
soil.
mays
found
respond
tested
pollutant
reduction
biomass.
affected
growth
this
more
than
G.
reduced
yield
aerial
parts
by
86%
74%.
negative
effects
these
pollutants
development
mitigated
both
dolomite.
exerted
greater
pressure
hydrolases,
as
well
enhanced
most
whereas
inhibited
them.
implementation
intensified
all
enzymes,
except
AcP
(acid
phosphatase)
Glu
(ß-glucosidase),
G,
improved
its
properties.
induced
less
significant
Environmental Research,
Год журнала:
2024,
Номер
252, С. 118880 - 118880
Опубликована: Апрель 4, 2024
Persistent,
aged
hydrocarbons
in
soil
hinder
remediation,
posing
a
significant
environmental
threat.
While
bioremediation
offers
an
environmentally
friendly
and
cost-effective
approach,
its
efficacy
for
complex
contaminants
relies
on
enhancing
pollutant
bioavailability.
This
study
explores
the
potential
of
immobilized
bacterial
consortia
combined
with
biochar
rhamnolipids
to
accelerate
total
petroleum
hydrocarbon
(TPH)-contaminated
soil.
Previous
research
indicates
that
biosurfactants
can
increase
rates,
while
mixed
offer
sequential
degradation
higher
mineralization.
The
present
investigation
aimed
assess
whether
combining
these
strategies
could
further
enhance
aged,
matrices.
bioaugmentation
(BA)
consortium
increased
TPHs
(over
20%
compared
natural
attenuation
-
NA).
However,
co-application
BA
rhamnolipid
did
not
show
statistically
prominent
synergistic
effect.
application
facilitated
maintenance
degrading
soil,
identify
direct
influence
degradation.
contaminated
contributed
adsorption.
Rhamnolipid
alone
slightly
biodegradation
NA,
treatment
between
27.5-29.8%.
These
findings
encourage
exploration
amendment,
like
rhamnolipid,
remediating
diverse
matrices
hydrocarbons.
Applied Sciences,
Год журнала:
2021,
Номер
11(8), С. 3504 - 3504
Опубликована: Апрель 14, 2021
The
contamination
of
crude
oil
in
soil
matrices
is
a
persistent
problem
with
negative
repercussions
because
the
recalcitrant,
hazardous,
and
mutagenic
properties
its
constituents.
To
mitigate
effect
soil,
use
microorganisms
cheap
feasible
option.
In
current
study,
bacterial
species
from
numerous
polluted
field
surfaces
were
isolated
examined
for
their
ability
to
degrade
oil.
Random
samples
hydrocarbons
collected
various
isolates
isolated.
Results
revealed
that
40%
total
had
potential
hydrocarbon
biodegradation,
synthesis
exopolysaccharides
solubilization
phosphorous.
Following
isolation
characterization
oil,
pot
trial
was
conducted
using
maize
inoculated
four
best
strains—i.e.,
S1
(PMEL-63),
S2
(PMEL-67),
S3
(PMEL-80),
S4
(PMEL-79)—in
artificially
hydrocarbon-polluted
concentrations
0,
1000,
2000
ppm.
(PMEL-79)
significant
soils.
root
length,
shoot
fresh
biomass
increased
by
65%,
45%,
98%,
respectively,
pots
Enterobacter
cloacae
subsp.,
whereas
lowest
length
observed
where
no
strain
added
concentration
at
maximum.
Moreover,
subsp.
found
be
most
effective
degrading
increasing
growth
under
conditions.
It
concluded
oil-contaminated
sites
should
considered
order
identify
microbial
consortium
biodegradation
naturally
hydrocarbon-contaminated
Sustainability,
Год журнала:
2023,
Номер
15(7), С. 6081 - 6081
Опубликована: Март 31, 2023
The
present
work
aimed
to
develop
and
investigate
microbial
consortia
for
petroleum
hydrocarbons
(PHCs)
detoxification
plant
growth
improvement
in
hydrocarbons-contaminated
soil.
Here,
we
isolated
several
bacteria
from
PHCs-contaminated
soils
make
bacterial
two
of
the
best
were
tested
a
pot
experiment
evaluate
their
potential
PHCs
removal
chickpea
promotion
Results
demonstrated
that
exerted
considerable
phytotoxic
effects
on
physiology
by
causing
13–29%
12–43%
reduction
agronomic
physiological
traits,
respectively.
However,
presence
consortia,
phytotoxicity
plants
was
minimized,
resulting
7.0–24%
6.0–35%
increase
respectively
over
un-inoculated
controls.
Bacterial
also
boosted
nutrient
uptake
antioxidant
mechanism
chickpea.
In
addition,
alone
phytoremediated
52%
initial
concentration.
addition
could
remove
74–80%
concentration
Based
our
research
findings,
suggest
use
multi-trait
be
sustainable
environmentally
friendly
strategy
remediation
contaminated
