Agronomy,
Год журнала:
2023,
Номер
13(5), С. 1385 - 1385
Опубликована: Май 17, 2023
Biochar
is
useful
for
soil
organic
carbon
(SOC)
sequestration.
However,
the
effects
of
biochar
aging
and
addition
rates
on
SOC
stabilization
are
unclear.
A
field
experiment
with
four
application
(0%
(control),
1%
(LB),
2%
(MB),
4%
(HB)
dry
fluvo-aquic
soil)
was
conducted.
Soil
samples
were
sampled
after
8,
12,
24
months
its
to
clarify
question.
In
general,
gradually
increased
rate.
HB
higher
than
that
in
other
treatments,
while
ratio
microbial
biomass
(MBC)/SOC
readily
oxidizable
(ROC)/SOC
lower
treatments
(p
<
0.05),
indicating
a
positive
effect
C
over
time.
The
pool
management
index
(CPMI)
changed
from
negative
8
application.
activities
β-D-glucosidase
(βG),
cellobiohydrolase
(CBH),
β-N-acetylglucosaminidase
(NAG)
under
12
0.05)
negatively
correlated
MBC/SOC
ROC/SOC
CPMI
positively
related
βG
CBH
application,
respectively
0.05).
relative
abundance
oligotrophs,
including
Acidobacteria,
Actinobacteria,
Chloroflexi,
but
decreased
copiotrophs,
γ-Proteobacteria
Bacteroidetes
time
dissolved
(DOC)/SOC
bacterial
oligotroph/copiotroph
significantly
affected
oligotrophic
copiotrophic
communities,
especially
These
findings
reinforce
increasing
rate
enhances
by
decreasing
proportions
labile
making
oligotrophic/copiotrophic
communities
enzyme
more
conducive
Abstract
Due
to
anthropogenic
activities,
heavy
metal
(HM)
pollution
in
soils
has
increased,
resulting
severe
ecological
problems
and
posing
a
constant
threat
human
health.
Among
various
remediation
methods,
bacterial
is
relatively
clean,
efficient,
minimally
negative
approach.
However,
agents
face
multiple
environmental
stresses,
making
them
challenging
achieve
long-lasting
stable
restoration
effects.
To
address
this
issue,
supportive
organic
substances
such
as
biochar
can
be
added
the
soil
with
bacteria.
According
bibliometric
studies,
integrating
bacteria
extensively
researched
widely
used
for
HM-contaminated
remediation.
By
bacteria,
metals
remediated,
conditions
improved
over
time.
Bacteria
also
better
promote
plant
growth
or
contribute
effectively
phytoremediation
processes
when
assisted
by
biochar.
are
still
some
distance
away
from
large-scale
use
because
of
their
high
cost
possible
problems.
Therefore,
further
discussion
on
interaction
between
integration
approach,
along
efficiency
friendliness,
needed
sustainable
This
paper
discusses
potential
mechanisms
biochar-bacteria-metal
interactions,
current
advancements
biochar-bacteria
combinations
treatment,
application
remediation,
analyzes
compares
effect
different
ways
feedstocks
integrate
Finally,
future
directions
presented,
evidence
strategies
improving
commercialization
implementation.
Graphical
Abstract
Phosphorus
(P)
is
essential
for
basic
natural
processes
and
can
limit
the
productivity
of
entire
ecosystems.
However,
agricultural
lands
worldwide
currently
suffer
from
P
deficiency.
The
application
fertilizers
not
only
poorly
utilized,
but
also
results
in
gradual
accumulation
P.
Biochar,
a
substance
produced
by
pyrolysis
biomass
under
low
oxygen
levels,
frequently
used
as
soil
amendment.
It
provides
form
that
readily
available
plant
uptake,
thus
addresses
both
short-
long-term
deficiencies.
In
this
paper,
we
systematically
reviewed
relevant
studies
on
“biochar
soil”
or
P”
published
past
decade
(2013–2023).
A
synthesis
reported
revealed
analyzing
effect
biochar
through
changes
physicochemical
properties
microbial
communities
has
gradually
emerged
prominent
area
research
recent
years.
purpose
study
was
to
analyze
differential
effects
addition
availability,
including
clarification
underlying
mechanisms.
showed
although
generally
exerts
positive
there
are
differences
extent
based
conditions.
Shifting
mechanisms,
directly
increases
phosphorus
(AP)
content
soil,
indirectly
influences
availability
via
physical,
chemical,
biological
properties.
To
summarize,
affect
different
degrees
direct
indirect
pathways.
Graphical
Sustainability,
Год журнала:
2023,
Номер
15(18), С. 13366 - 13366
Опубликована: Сен. 6, 2023
Soil
acidity
is
a
major
problem
of
agriculture
in
many
parts
the
world.
causes
multiple
problems
such
as
nutrient
deficiency,
elemental
toxicity
and
adverse
effects
on
biological
characteristics
soil,
resulting
decreased
crop
yields
productivity.
Although
number
conventional
strategies
including
liming
use
organic
inorganic
fertilizers
are
suggested
for
managing
soil
but
cost-effective
sustainable
amendments
not
available
to
address
this
problem.
Currently,
there
increasing
interest
using
biochar,
form
biomass
derived
pyrogenic
carbon,
while
improving
health
fertility.
However,
biochar
varies
properties
due
wide
diversity
biomass,
variable
production
conditions
and,
therefore,
its
application
different
soils
can
result
positive,
neutral
or
negative
requiring
an
in-depth
understanding
biochar-acid
interactions
achieve
best
possible
outcomes.
Here,
we
present
comprehensive
synthesis
current
literature
management
biochar.
Synthesis
showed
that
biochars,
enriched
with
minerals
(i.e.,
usually
produced
at
higher
temperatures),
most
effective
pH,
basic
cation
retention
promoting
plant
growth
yield.
Moreover,
mechanism
amelioration
types,
i.e.,
high
temperature
biochars
low
proton
consumption
their
functional
groups.
We
also
provide
mechanistic
between
soils.
Altogether,
review
will
guidelines
agricultural
practitioners
selection
suitable
reclamation
acidity.
