Soil Science & Plant Nutrition,
Journal Year:
2021,
Volume and Issue:
67(6), P. 693 - 706
Published: Nov. 2, 2021
Soil
salinity
is
a
global
problem,
which
predicted
to
worsen
in
arid
and
semi-arid
regions
due
climate
change.
The
aim
of
this
study
was
understand
the
remediation
potential
biochar
alleviating
salt
stress
by
studying
its
effects
on
growth
physiological
parameters
tomato
(Solanum
lycopersicum).
A
completely
randomized
design
(CRD)
used
where
three
different
doses
(0%,
5%
(v/v),
10%
(v/v))
were
applied
soil
under
saline
(100
M)
non-saline
conditions.
Our
results
showed
that
while
affected
plant
negatively
at
all
doses,
applications
improved
overall
performance
For
samples
with
stress,
height
leaf
area
increased
43.1%
45.3%,
respectively,
parameters,
such
as
relative
water
content
chlorophyll-a
content,
when
used.
On
other
hand,
highest
increase
rates
shoot
fresh
weight
(113.7%),
dry
(74.8%),
number
leaves
(24.9%),
root
(115.5%),
(62.5%)
obtained
from
amendment
Moreover,
both
significantly
decreased
superoxide
dismutase
(SOD),
catalase
(CAT)
peroxidase
(POD)
activities,
well
malondialdehyde
(MDA)
proline
contents,
resulted
an
reduction
oxidative
osmotic
stresses.
In
conclusion,
might
be
promising
approach
mitigate
adverse
seedlings
GCB Bioenergy,
Journal Year:
2021,
Volume and Issue:
13(11), P. 1731 - 1764
Published: July 27, 2021
Abstract
We
synthesized
20
years
of
research
to
explain
the
interrelated
processes
that
determine
soil
and
plant
responses
biochar.
The
properties
biochar
its
effects
within
agricultural
ecosystems
largely
depend
on
feedstock
pyrolysis
conditions.
describe
three
stages
reactions
in
soil:
dissolution
(1–3
weeks);
reactive
surface
development
(1–6
months);
aging
(beyond
6
months).
As
ages,
it
is
incorporated
into
aggregates,
protecting
carbon
promoting
stabilization
rhizodeposits
microbial
products.
Biochar
persists
for
hundreds
thousands
years.
By
increasing
pH,
porosity,
water
availability,
biochars
can
create
favorable
conditions
root
functions.
Biochars
catalyze
biotic
abiotic
reactions,
particularly
rhizosphere,
increase
nutrient
supply
uptake
by
plants,
reduce
phytotoxins,
stimulate
development,
resilience
disease
environmental
stressors.
Meta‐analyses
found
that,
average,
P
availability
a
factor
4.6;
decrease
tissue
concentration
heavy
metals
17%–39%;
build
organic
through
negative
priming
3.8%
(range
−21%
+20%);
non‐CO
2
greenhouse
gas
emissions
from
12%–50%.
show
average
crop
yield
increases
10%–42%
with
addition,
greatest
low‐nutrient
P‐sorbing
acidic
soils
(common
tropics),
sandy
drylands
due
retention
holding
capacity.
Studies
report
wide
range
diversity
contexts
which
have
been
applied.
Crop
yields
strongly
if
site‐specific
constraints
limitations
are
mitigated
appropriate
formulations.
be
tailored
address
site
selection,
modifying
conditions,
pre‐
or
post‐production
treatments,
co‐application
mineral
fertilizers.
demonstrate
how,
when
used
wisely,
mitigates
climate
change
supports
food
security
circular
economy.
GCB Bioenergy,
Journal Year:
2021,
Volume and Issue:
13(11), P. 1708 - 1730
Published: Sept. 1, 2021
Abstract
Biochar
is
obtained
by
pyrolyzing
biomass
and
is,
definition,
applied
in
a
way
that
avoids
its
rapid
oxidation
to
CO
2
.
Its
use
agriculture
includes
animal
feeding,
manure
treatment
(e.g.
as
additive
for
bedding,
composting,
storage
or
anaerobic
digestion),
fertilizer
component
direct
soil
application.
Because
the
feedstock
carbon
photosynthetically
fixed
from
atmosphere,
producing
applying
biochar
essentially
dioxide
removal
(CDR)
technology,
which
has
high‐technology
readiness
level.
However,
swift
implementation
of
pyrogenic
capture
(PyCCS),
needs
deliver
co‐benefits,
example,
improving
crop
yields
ecosystem
services
and/or
climate
change
resilience
ameliorating
key
properties.
Agronomic
research
rapidly
evolving
field
moving
less
than
100
publications
2010
more
15,000
end
2020.
Here,
we
summarize
26
rigorously
selected
meta‐analyses
published
since
2016
investigated
multitude
properties
agronomic
performance
parameters
impacted
application,
effects
on
yield,
root
biomass,
water
efficiency,
microbial
activity,
organic
greenhouse
gas
emissions.
All
show
compelling
evidence
overall
beneficial
effect
all
parameters.
One
remaining
challenges
standardization
basic
analysis,
still
lacking
many
studies.
Incomplete
characterization
increases
uncertainty
because
adverse
individual
studies
included
might
be
related
low‐quality
biochars,
would
not
qualify
certification
subsequent
high
content
contaminants,
salinity,
incomplete
pyrolysis,
etc.).
In
summary,
our
systematic
review
suggests
potential
combine
CDR
with
significant
environmental
co‐benefits.
Annual Review of Environment and Resources,
Journal Year:
2019,
Volume and Issue:
44(1), P. 255 - 286
Published: June 11, 2019
Land-management
options
for
greenhouse
gas
removal
(GGR)
include
afforestation
or
reforestation
(AR),
wetland
restoration,
soil
carbon
sequestration
(SCS),
biochar,
terrestrial
enhanced
weathering
(TEW),
and
bioenergy
with
capture
storage
(BECCS).
We
assess
the
opportunities
risks
associated
these
through
lens
of
their
potential
impacts
on
ecosystem
services
(Nature's
Contributions
to
People;
NCPs)
United
Nations
Sustainable
Development
Goals
(SDGs).
find
that
all
land-based
GGR
contribute
positively
at
least
some
NCPs
SDGs.
Wetland
restoration
SCS
almost
exclusively
deliver
positive
impacts.
A
few
options,
such
as
afforestation,
BECCS,
biochar
potentially
impact
negatively
SDGs,
particularly
when
implemented
scale,
largely
competition
land.
For
those
present
are
understood,
more
research
is
required,
demonstration
projects
need
proceed
caution.
low
provide
cobenefits,
implementation
can
rapidly
following
no-regrets
principles.
Frontiers in Plant Science,
Journal Year:
2021,
Volume and Issue:
12
Published: Feb. 19, 2021
Waterlogging,
an
abiotic
stress,
severely
restricts
crop
yield
in
various
parts
of
the
world.
Thus,
we
conducted
a
meta-analysis
2,419
comparisons
from
115
studies
to
comprehensively
evaluate
overall
change
induced
by
waterlogging
global
region.
The
results
suggested
that
obviously
decreased
32.9%
on
average,
compared
with
no
waterlogging,
which
was
result
reduced
1,000-grain
weight
(13.67%),
biomass
(28.89%),
plant
height
(10.68%),
net
photosynthetic
rate
(
P
n
,
39.04%),
and
leaf
area
index
(LAI,
22.89%).
effect
regime
is
related
type;
reduction
varied
between
wheat
(25.53%)
cotton
(59.95%),
average
value
36.81%
under
field
conditions.
In
addition,
also
found
reproductive
growth
stage
(41.90%)
caused
greater
than
vegetative
(34.75%).
Furthermore,
decreases
were
observed
extension
duration;
greatest
occurred
at
15
<
D
≤
28
(53.19
55.96%)
potted
conditions,
respectively.
Overall,
this
showed
can
decrease
mainly
affected
type,
stage,
experimental
duration.
Plants,
Journal Year:
2024,
Volume and Issue:
13(2), P. 166 - 166
Published: Jan. 8, 2024
Rapid
urban
expansion
and
a
booming
population
are
placing
immense
pressure
on
our
agricultural
systems,
leading
to
detrimental
impacts
soil
fertility
overall
health.
Due
the
extensive
use
of
agrochemicals
in
agriculture,
necessity
meet
expanding
demand
for
food
has
also
resulted
unsustainable
farming
practices.
Around
world,
biochar,
multipurpose
carbonaceous
material,
is
being
used
concurrently
solve
issues
with
enhancing
fertility,
plant
growth,
development
under
both
normal
stressful
circumstances.
It
improves
water
retention,
fosters
nutrient
absorption,
promotes
microbial
activity,
creating
fertile
environment
that
supports
sustainable
resilient
agriculture.
Additionally,
biochar
acts
as
carbon
sink,
contributing
long-term
sequestration
mitigating
climate
change
impacts.
The
major
benefit
it
helps
adsorption
process
its
highly
porous
structures
different
functional
groups.
Understanding
elements
involved
formation
determine
characteristics
adsorptive
capacity
necessary
assure
viability
terms
productivity
health,
particularly
biological
activity
soil.
This
paper
focuses
development,
composition,
effects
crop
productivity.
