Environmental Technology & Innovation,
Год журнала:
2024,
Номер
34, С. 103577 - 103577
Опубликована: Фев. 19, 2024
Biochar
is
widely
used
for
soil
carbon
sequestration
and
improvement.
However,
little
information
available
on
its
effects
net
ecosystem
CO2
exchange
(NEE)
CH4
emissions
in
paddy
rice
systems,
especially
under
alternate
wetting
drying
irrigation
(IAWD).
A
two-year
field
experiment
was
conducted
with
two
regimes
(ICF:
continuous
flooding
irrigation;
IAWD)
as
main
plots
0
(B0)
20
t
ha−1
(B1)
biochar
subplots.
IAWD
greatly
decreased
by
81.1-87.6%
yield-scaled
81.3%-88.2%
without
grain
yield
penalty,
but
NEE
6.5-13.9%.
The
mainly
caused
increasing
heterotrophic
respiration
(Rh)
(Re).
increased
8.1-11.3%,
reduced
25.8-38.9%,
30.4-44.6%
both
regimes.
In
addition,
input
(gross
primary
product,
GPP)
output
(Re),
a
higher
increase
GPP
than
Re,
thus
9.7-11.1%
combined
can
further
decrease
compared
to
biochar,
achieving
win-win
situation
of
food-water-greenhouse
gas
trade-off,
which
beneficial
sustainable
agricultural
production.
The Science of The Total Environment,
Год журнала:
2023,
Номер
886, С. 163968 - 163968
Опубликована: Май 9, 2023
Biochar
can
be
an
effective
carrier
for
microbial
inoculants
because
of
its
favourable
properties
promoting
life.
In
this
review,
we
assess
the
effectiveness
biochar
as
a
agricultural
and
environmental
applications.
is
enriched
with
organic
carbon,
contains
nitrogen,
phosphorus,
potassium
nutrients,
has
high
porosity
moisture-holding
capacity.
The
large
number
active
hydroxyl,
carboxyl,
sulfonic
acid
group,
amino,
imino,
acylamino
hydroxyl
carboxyl
functional
groups
are
cell
adhesion
proliferation.
use
inoculum
been
shown
to
enhance
persistence,
survival
colonization
inoculated
microbes
in
soil
plant
roots,
which
play
crucial
role
biochemical
processes,
nutrient
carbon
cycling,
contamination
remediation.
Moreover,
biochar-based
including
probiotics
effectively
promote
growth
remediate
contaminated
pollutants.
These
findings
suggest
that
serve
promising
substitute
non-renewable
substrates,
such
peat,
formulate
deliver
inoculants.
future
research
directions
relation
improving
material
performance
expanding
potential
applications
emerging
immobilization
technology
have
proposed.
Agronomy,
Год журнала:
2023,
Номер
13(7), С. 1709 - 1709
Опубликована: Июнь 26, 2023
A
key
concern
in
agriculture
is
how
to
feed
the
expanding
population
and
safeguard
environment
from
ill
effects
of
climate
change.
To
a
growing
global
population,
food
production
security
are
significant
problems,
as
output
may
need
double
by
2050.
Thus,
more
innovative
effective
approaches
for
increasing
agricultural
productivity
(hence,
production)
required
meet
rising
demand
food.
The
world’s
most
widely
cultivated
grains
include
corn,
wheat,
rice,
which
serve
foundation
basic
foods.
This
review
focuses
on
some
up-to-date
that
boost
barley,
oat
yields
with
insight
into
molecular
technology
genetics
raise
resource-efficient
use
these
important
grains.
Although
red
light
management
genetic
manipulation
show
maximal
grain
yield
enhancement,
other
covered
strategies
including
bacterial-nutrient
management,
solar
brightening,
facing
abiotic
stress
through
systems,
fertilizer
harmful
gas
emissions
reduction,
photosynthesis
tolerance,
disease
resistance,
varietal
improvement
also
enhance
increase
plant
resistance
environmental
circumstances.
study
discusses
potential
challenges
addressed
possible
future
perspectives.
Geoderma,
Год журнала:
2024,
Номер
443, С. 116845 - 116845
Опубликована: Март 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
Agronomy,
Год журнала:
2022,
Номер
13(1), С. 113 - 113
Опубликована: Дек. 29, 2022
The
irrational
use
of
nitrogen
(N)
fertilizer
has
become
a
major
threat
to
soil
quality
and
food
security,
resulting
in
serious
ecological
environmental
problems.
Holistic
approaches
N
application
are
required
maintain
high
utilization
efficiency
(NUE)
sustainable
agriculture
development.
Biochar
is
an
efficient
carbon-rich
material
for
amending
promoting
crop
uptake,
but
knowledge
pertaining
the
effects
biochar
on
fertilizers
still
limited.
In
this
study,
field
plot
experiment
was
designed
detect
combined
(0,
15
30
t
ha−1)
(204,
240
276
kg
nutrient
levels,
NUE,
plant
growth
performance
production
maize.
results
demonstrated
that
can
significantly
decrease
pH
increase
contents
organic
carbon,
mineral
N,
available
phosphorus
potassium.
uptake
content
were
largely
promoted
by
addition
biochar,
higher
leaf
photosynthetic
efficiency,
dry
matter
accumulation
grain
yields.
highest
yields
(14,928
achieved
using
ha−1
combination
with
NUE
value
(46.3%)
reached
204
blended
biochar.
According
structural
equation
modeling,
beneficial
biomass
maize
attributed
direct
related
chemical
properties
parameters.
conclusion,
effective
strategy
enhance
increasing
fertility,
improving
growth.
Journal of Integrative Agriculture,
Год журнала:
2023,
Номер
22(7), С. 2221 - 2232
Опубликована: Фев. 27, 2023
Fertilization
is
an
effective
technique
to
improve
soil
fertility
and
increase
crop
yield.
The
long-term
effects
of
different
fertilizers
on
considerably
vary.
Over
38
consecutive
years
fertilization
positioning
experiments
in
a
double
cropping
rice
field
Qiyang
Red
Experimental
Station,
seven
treatments
including
CK
(no
fertilization),
NPK
(nitrogen,
phosphorus,
potassium
fertilizer),
M
(cow
manure),
NPKM
with
cow
NPM
(nitrogen
phosphorus
NKM
PKM
(phosphorus
manure)
were
applied
study
the
yield,
fertility,
nutrient
apparent
balance
paddy
field.
results
showed
that
annual
average
yields
NPKM,
NPM,
NKM,
PKM,
M,
ranged
from
6214
11562
kg
ha-1.
Yields
under
organic
inorganic
(NPKM,
PKM)
22.58,
15.35,
10.53
4.41%,
respectively,
greater
than
treatment.
Soil
carbon
(SOC),
total
nitrogen
(TN),
available
(AN)
(AK)
concentration
treatment
significantly
higher
fertilizer
(NPK)
treatments.
(TP)
(AP)
contentration
combined
N
P
alone
(NPK
treatments).
yield
(11562
ha-1),
SOC
(20.88
g
kg-1),
TN
(2.30
TP
(0.95
TK
(22.50
kg-1)
AP
(38.94
mg
concentrations
highest
AN
(152.40
AK
(151.00
application
led
surplus
soil,
but
effectively
reduced
compared
other
Soils
all
deficient
potassium.
Correlation
analysis
SOC,
TN,
AN,
TP,
correlated
yield;
correlation
coefficients
0.428,
0.496,
0.518,
0.501,
0.438,
respectively.
This
N,
P,
K
manure
had
important
balanced
was
required.