Biochar,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 16, 2025
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
Geoderma,
Journal Year:
2024,
Volume and Issue:
443, P. 116845 - 116845
Published: March 1, 2024
Salinization
remains
a
major
issue
in
soil
degradation,
for
which
biochar
is
potential
solution.
In
this
meta-analysis,
using
660
paired
observations
from
99
peer-reviewed
articles,
we
evaluated
biochar's
effect
on
salt-affected
soils
and
identified
the
initial
properties,
properties
experimental
factors
influencing
its
efficacy.
The
results
showed
that
addition
of
had
significant
ameliorating
soils.
electrical
conductivity
saturated
paste
extract
(ECe)
was
significantly
reduced
by
13.2%,
such
severe
salinization
(rather
than
slight
moderate
salinization).
Meanwhile,
cation
exchange
capacity
increased
17.0%.
However,
no
impact
pH.
Model
selection
analyses
further
indicated
level
salinity
type
feedstock
were
most
important
regulating
response
ECe
to
addition.
summary,
while
our
study
highlights
soils,
particularly
severely
salinized
it
also
underscores
need
more
comprehensive
research
field.
Additional
necessary
comprehensively
address
heterogeneity
biochars,
including
their
thorough
characterization.
addition,
studies
are
required
explore
both
salt-tolerant
non-salt-tolerant
plants
Biochar,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 16, 2025
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