International Journal of Environmental Research and Public Health,
Год журнала:
2023,
Номер
20(2), С. 927 - 927
Опубликована: Янв. 4, 2023
Biochar
addition
has
been
recommended
as
a
potential
strategy
for
mitigating
climate
change.
However,
the
number
of
studies
simultaneously
investigating
effects
biochar
on
CO2,
N2O
and
CH4
emissions
sequentially
global
warming
(GWP)
is
limited,
especially
concerning
its
effect
native
soil
organic
carbon
(SOC)
mineralization.
An
incubation
experiment
was
conducted
to
investigate
physicochemical
properties,
GWP
in
treatments
with
0%
(CK),
1%
(BC1)
4%
(BC4)
cornstalk
additions,
clarify
priming
SOC
mineralization
by
13C
tracer
technique.
Generally,
increased
pH,
cation
exchange
capacity,
total
nitrogen,
but
decreased
NH4+-N
NO3−-N.
Compared
CK,
BC1
BC4
significantly
reduced
CO2
20.7%
28.0%,
25.6%
95.4%,
respectively.
emission
43.6%,
19.3%.
20.8%
29.3%,
there
no
significant
difference
between
them.
had
negative
mineralization,
which
reason
reduction.
The
attributed
physical
protection
promoting
microaggregate
formation
preferentially
using
soluble
biochar.
decrease
rooted
reduction
nitrification
denitrification
substrates
microbial
assimilation
inorganic
nitrogen.
inconsistency
different
relative
contributions
production
oxidation
under
ratios.
Our
study
suggests
that
should
be
more
reasonable
ratio
greenhouse
gas
sandy
loam,
emphasizes
it
necessary
furtherly
nitrogen
primary
transformation
rates
15N
technique,
helpful
comprehensively
understanding
mechanisms
emissions.
Water Research X,
Год журнала:
2023,
Номер
18, С. 100167 - 100167
Опубликована: Янв. 1, 2023
With
the
rapid
growth
yield
of
global
sewage
sludge,
rational
and
effective
treatment
disposal
methods
are
becoming
increasingly
needed.
Biochar
preparation
is
an
attractive
option
for
sludge
treatment,
excellent
physical
chemical
properties
derived
biochar
make
it
environmental
improvement.
Here,
current
application
state
was
comprehensively
reviewed,
advances
in
mechanism
capacity
water
contaminant
removal,
soil
remediation,
carbon
emission
reduction
were
described,
with
particular
attention
to
key
challenges
involved,
e.g.,
possible
risks
low
efficiency.
Several
new
strategies
overcoming
barriers
realize
highly
efficient
improvement
highlighted,
including
modification,
co-pyrolysis,
feedstock
selection
pretreatment.
The
insights
offered
this
review
will
facilitate
further
development
biochar,
towards
addressing
obstacles
its
crisis.
Frontiers in Environmental Science,
Год журнала:
2023,
Номер
11
Опубликована: Фев. 14, 2023
Biochars
provide
several
agricultural
and
environmental
benefits,
such
as
soil
health
improvement,
better
crop
growth
yield,
carbon
sequestration,
decreasing
greenhouse
gas
(GHGs)
emissions,
regulation
of
nutrient
dynamics.
This
review
highlights
the
role
biochar
in
transforming
soil’s
physiochemical
biological
properties,
their
impact
on
improving
seed
germination
seedling
growth,
altering
physiological
attributes,
enhancing
resistance
against
biotic
abiotic
stresses,
productivity,
curtailing
GHGs,
controlling
leaching
losses.
However,
type
feedstock
used,
pyrolysis
temperature,
application
rate
method,
species
largely
influence
performance
under
different
conditions.
Application
biochars
at
low
rates
help
to
promote
growth.
Biochar
modified
microbial
processes
rhizosphere
increased
mineralization
enhanced
availability
for
plant
uptake.
Hence,
diseases,
reduced
heavy
metals
improved
resilience
stressors.
By
providing
a
comprehensive
analysis
about
variable
impacts
physicochemical
development
productivity
mitigating
problems,
this
is
quite
valuable
developing
an
efficient
specific
with
desired
functionalities.
It
could
be
helpful
ensuring
food
security
management
environment.
Furthermore,
identifies
knowledge
gaps
suggests
future
outlooks
commercialization
applications
large-scale.
Results in Engineering,
Год журнала:
2022,
Номер
16, С. 100711 - 100711
Опубликована: Окт. 19, 2022
Currently,
energy
demand
is
growing
swiftly
with
global
economic
growth.
The
combustion
of
fossil
fuels
one
the
major
environmental
threats
due
to
release
CO
2
into
atmosphere.
Reducing
greenhouse
gases
most
critical
challenges
facing
society
today.
It
has
been
proposed
that
converting
and
valuable
chemicals
such
as
methanol
for
reducing
gas
emissions
can
be
a
favorable
solution.
This
review
describes
recent
development
synthesis
from
mechanistic
point
view.
Several
reaction
pathways
formation
over
various
catalysts
will
emphasized,
i.e.,
Cu-based
catalyst,
precious
metal-based
other
catalysts,
including
oxide,
composite-based
metal
alloys,
supported
alloys.
Additionally,
intermediate
involved,
active
site,
several
aspects
affecting
catalytic
behavior
are
also
provided.
Finally,
remaining
challenge
perspective
compelling
future
vision
emphasized.
•
heterogeneous
production
discussed.
Plausible
mechanisms
products
comprehensively
reviewed.
physicochemical
properties
catalyst
conditions
affect
pathway.
Improving
technologies
significant
realizing
industrial
upscale.
GCB Bioenergy,
Год журнала:
2023,
Номер
15(4), С. 462 - 477
Опубликована: Янв. 12, 2023
Abstract
Organic
amendments,
such
as
compost
and
biochar,
mitigate
the
environmental
burdens
associated
with
wasting
organic
resources
close
nutrient
loops
by
capturing,
transforming,
resupplying
nutrients
to
soils.
While
or
biochar
application
soil
can
enhance
an
agroecosystem's
capacity
store
carbon
produce
food,
there
have
been
few
field
studies
investigating
agroecological
impacts
of
amending
co‐compost,
produced
through
composting
nitrogen‐rich
material,
manure,
carbon‐rich
biochar.
Here,
we
examine
impact
co‐compost
on
properties
processes
conducting
a
study
in
which
compare
agronomic
amendment
either
dairy
manure
co‐composted
compost,
soils
winter
wheat
cropping
system.
amendments
were
applied
at
equivalent
C
rates
(8
Mg
ha
−1
).
We
found
that
all
three
treatments
significantly
increased
water
holding
total
plant
biomass
relative
no‐amendment
control.
Soils
amended
resulted
less
greenhouse
gas
emissions
than
control
Biochar
also
significant
reduction
leaching
alone
alone.
Our
results
suggest
co‐composting
could
optimize
resource
recycling
for
climate
change
mitigation
agricultural
productivity
while
minimizing
losses
from
agroecosystems.
Journal of Environmental Quality,
Год журнала:
2023,
Номер
52(4), С. 769 - 798
Опубликована: Март 11, 2023
Biochar
is
one
of
the
few
nature-based
technologies
with
potential
to
help
achieve
net-zero
emissions
agriculture.
Such
an
outcome
would
involve
mitigation
greenhouse
gas
(GHG)
emission
from
agroecosystems
and
optimization
soil
organic
carbon
sequestration.
Interest
in
biochar
application
heightened
by
its
several
co-benefits.
Several
reviews
summarized
past
investigations
on
biochar,
but
these
mostly
included
laboratory,
greenhouse,
mesocosm
experiments.
A
synthesis
field
studies
lacking,
especially
a
climate
change
standpoint.
Our
objectives
are
(1)
synthesize
advances
field-based
that
have
examined
GHG
capacity
(2)
identify
limitations
technology
research
priorities.
Field
studies,
published
before
2022,
were
reviewed.
has
variable
effects
emissions,
ranging
decrease,
increase,
no
change.
Across
reduced
nitrous
oxide
(N2
O)
18%
methane
(CH4
)
3%
increased
dioxide
(CO2
1.9%.
When
was
combined
N-fertilizer,
it
CO2
,
CH4
N2
O
61%,
64%,
84%
observations,
plus
other
amendments
78%,
92%,
85%
respectively.
shown
reduce
soils,
long-term
needed
address
discrepancies
best
practices
(rate,
depth,
frequency)
agricultural
soils.
Soil Use and Management,
Год журнала:
2023,
Номер
39(3), С. 1006 - 1032
Опубликована: Июнь 13, 2023
Abstract
Agricultural
systems
face
several
challenges
that
threaten
their
capacity
to
feed
the
world
while
maintaining
a
healthy
and
functional
environment.
Climate
change,
together
with
soil
degradation,
biodiversity
loss,
resource
scarcity
invasive
species,
is
major
threat
agricultural
worldwide.
In
this
context,
new
practices
have
been
proposed
circumvent
or
minimize
these
threats.
Yet,
mostly
focus
on
farm
plant
level
(e.g.,
breeding
for
stress‐tolerant
species),
frequently
overlooking
belowground
components
organic
carbon
accrual).
By
interlinking
above‐
below‐ground
components,
likelihood
of
limiting
negative
effects
current
threats
can
be
maximized.
This
review
explores
knowledge
regarding
agroforestry
its
as
key
property
in
reducing
climate
change.
We
first
tree
properties
systems.
synthesize
evidence
response
environmental
are
related
continue
by
discussing
how
processes
play
fundamental
role
cope
conclude
proposing
options
resilience
could
further
enhanced.
