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.
Ecotoxicology and Environmental Safety,
Год журнала:
2023,
Номер
263, С. 115228 - 115228
Опубликована: Июль 7, 2023
The
main
challenge
of
the
twenty-first
century
is
to
find
a
balance
between
environmental
sustainability
and
crop
productivity
in
world
with
rapidly
growing
population.
Soil
health
backbone
resilient
environment
stable
food
production
systems.
In
recent
years,
use
biochar
bind
nutrients,
sorption
pollutants,
increase
has
gained
popularity.
This
article
reviews
key
studies
on
impacts
benefits
its
unique
physicochemical
features
paddy
soils.
review
provides
critical
information
role
properties
carbon
nitrogen
cycling,
plant
growth
regulation,
microbial
activities.
Biochar
improves
soil
soils
through
increasing
activities
nutrient
availability,
accelerating
cycle,
reducing
availability
heavy
metals
micropollutants.
For
example,
study
showed
that
application
maximum
40
t
ha-1
from
rice
husks
prior
cultivation
(at
high
temperature
slow
pyrolysis)
increases
utilization
grain
yield
by
40%.
can
be
used
minimize
chemical
fertilizers
ensure
sustainable
production.
Frontiers in Environmental Science,
Год журнала:
2023,
Номер
10
Опубликована: Янв. 4, 2023
The
effects
of
different
contents
biochar
and
vermicompost
on
the
microbial
enzymatic
activities
greenhouse
soil
were
determined
to
provide
a
theoretical
basis
for
improving
quality
soil.
experiment
was
conducted
in
using
potted
tomatoes.
Five
treatments
consisted
amount
ratios
organic
amendments:
1%
(BC1),
3%
(BC3),
5%
(BC5),
(VC3),
(VC5),
with
no
addition
amendments
as
control
(CK).
Compared
CK,
pH,
matter
content,
DOC
concentration
increased
treatment
groups.
content
BC3
BC5
significantly
by
54.6%
72.8%,
respectively,
43.9%.
Biochar
diversity
bacterial
fungal
communities
soil,
well
abundance
Actinomycetes,
Acidobacteria,
Ascomycetes,
Aspergillus,
reduced
Aspergillus.
urease
alkaline
phosphatase
increased,
activity
nitrate
reductase
inhibited
all
groups
compared
CK.
In
addition,
highly
significant
positive
correlation
observed
among
Acidobacteria
phylum
abundance,
treatments.
positively
correlated
activity.
effective
physicochemical
properties
enhancing
diversity,
affecting
activities.
Therefore,
(3%
biochar)
had
most
effect
community
VC5
(5%
vermicompost)
best
promotion
This
study
highlights
that
are
recommended
improve
soils.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(6), С. 3159 - 3244
Опубликована: Авг. 17, 2023
Abstract
Traditional
fertilizers
are
highly
inefficient,
with
a
major
loss
of
nutrients
and
associated
pollution.
Alternatively,
biochar
loaded
phosphorous
is
sustainable
fertilizer
that
improves
soil
structure,
stores
carbon
in
soils,
provides
plant
the
long
run,
yet
most
biochars
not
optimal
because
mechanisms
ruling
properties
poorly
known.
This
issue
can
be
solved
by
recent
developments
machine
learning
computational
chemistry.
Here
we
review
phosphorus-loaded
emphasis
on
chemistry,
learning,
organic
acids,
drawbacks
classical
fertilizers,
production,
phosphorus
loading,
release.
Modeling
techniques
allow
for
deciphering
influence
individual
variables
biochar,
employing
various
supervised
models
tailored
to
different
types.
Computational
chemistry
knowledge
factors
control
binding,
e.g.,
type
compound,
constituents,
mineral
surfaces,
binding
motifs,
water,
solution
pH,
redox
potential.
Phosphorus
release
from
controlled
coexisting
anions,
adsorbent
dosage,
initial
concentration,
temperature.
Pyrolysis
temperatures
below
600
°C
enhance
functional
group
retention,
while
450
increase
plant-available
phosphorus.
Lower
pH
values
promote
release,
higher
hinder
it.
Physical
modifications,
such
as
increasing
surface
area
pore
volume,
maximize
adsorption
capacity
biochar.
Furthermore,
acid
affects
low
molecular
weight
acids
being
advantageous
utilization.
Lastly,
biochar-based
2–4
times
slower
than
conventional
fertilizers.
Geoderma,
Год журнала:
2024,
Номер
442, С. 116798 - 116798
Опубликована: Фев. 1, 2024
Soil
pH
is
one
of
the
critical
indicators
soil
quality.
A
fine
resolution
map
urgently
required
to
address
practical
issues
agricultural
production,
environmental
protection,
and
ecosystem
functioning,
which
often
fall
short
meeting
demands
for
local
applications.
To
fill
this
gap,
we
used
data
from
an
extensive
survey
13,424
surface
samples
(0–0.2
m)
across
cropland
Jiangxi
Province
in
Southern
China.
Using
digital
mapping
techniques
with
46
covariates,
produced
a
30
m
topsoil
We
integrate
different
variable
selection
algorithms
machine
learning
methods.
Our
results
indicate
Random
Forest
covariates
selected
by
recursive
feature
had
best
performance
r
0.583
RMSE
0.41.
The
prediction
interval
coverage
probability
our
was
0.92,
indicating
low
estimated
uncertainty.
Climate
identified
as
most
predicting
contribution
37.42
%,
followed
properties
(29.09
%),
management
(21.86
parent
material
(6.22
biota
(5.39
%)
factors.
mean
5.21,
great
pressure
acidification
region.
high
values
were
mainly
distributed
Northern,
Western,
Eastern
parts
region
while
majorly
located
central
part.
Compared
past
surveys
1980
s,
there
no
significant
change
surveyed
can
provide
important
implications
guidance
decisions
on
heavy
metal
pollution
remediation,
precision
agriculture,
prevention
acidification.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
274, С. 116204 - 116204
Опубликована: Март 14, 2024
Climate
change
and
cadmium
(Cd)
contamination
pose
severe
threats
to
rice
production
food
security.
Biochar
(BC)
has
emerged
as
a
promising
soil
amendment
for
mitigating
these
challenges.
To
investigate
the
BC
effects
on
paddy
upon
GHG
emissions,
Cd
bioavailability,
its
accumulation,
meta-analysis
of
published
data
from
2000
2023
was
performed.
Data
Manager
5.3
GetData
plot
Digitizer
software
were
used
obtain
process
selected
parameters.
Our
results
showed
significant
increase
18%
in
pH
with
sewage
sludge
application,
while
9%
organic
carbon
(SOC)
using
bamboo
chips
BC.
There
reduction
bulk
density
(8%),
but
no
observed
porosity,
except
wheat
straw
which
reduced
porosity
by
6%.
Sewage
significantly
dioxide
(CO2)
7–8%
municipal
biowaste
methane
(CH4)
emissions
2%.
In
case
heavy
metals,
sunflower
seedshells-derived
materials
husk
bioavailable
soils
24%
12%,
respectively.
uptake
roots
lowered
considerably
addition
kitchen
waste
(22%),
peanut
hulls
(21%),
corn
cob
(15%)
based
Similarly,
cotton
sticks,
waste,
hulls,
restricted
translocation
shoots
22%,
27%,
20%,
19%,
respectively,
sawdust
husk-based
effective
reducing
accumulation
grains
25%
13%.
Regarding
yield,
sticks-based
increased
yield
37%
Cd-contaminated
soil.
The
demonstrated
that
is
an
multi-pronged
strategy
sustainable
resilient
cultivation
lowering
greenhouse
gas
improving
yields
under
increasing
threat
climate
change.
