Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1253 - 1253
Опубликована: Май 21, 2025
The
delayed
sowing
date
and
basal
internode
lodging
caused
by
climate
change
are
major
constraints
on
wheat
productivity.
To
investigate
the
effects
of
varying
dates
fertilization
application
regimes
yield
resistance,
a
two-year
field
experiment
was
conducted
with
two
five
regimes.
Results
revealed
that
T2
period
grain
reductions
43.82%
29.82%
over
consecutive
years,
accompanied
shortened
second
length
decreased
plant
height,
although
lignin
content
increased
significantly.
Among
treatments,
S4
effectively
enhanced
mechanical
strength
internode,
achieving
both
higher
superior
resistance.
We
propose
combining
controlled-release
nitrogen
fertilizer
(CRNF)
urea
across
different
to
optimize
productivity
stem
stability.
These
strategies
tackle
climate-driven
delays
while
maximizing
potential.
Agriculture Ecosystems & Environment,
Год журнала:
2021,
Номер
319, С. 107551 - 107551
Опубликована: Июль 7, 2021
Sustainable
agricultural
management
implies
optimization
of
resources
for
crop
production
while
minimizing
adverse
impacts
on
the
environment.
This
requires
a
better
understanding
synergies
and
trade-offs
agronomic
accounting
controlling
effects
site-specific
factors
(covariates).
We
systematically
evaluated
113
meta-analytical
studies
assessing
measures
(rotation,
cover
cropping,
residue
retention),
soil
water
(irrigation,
tillage),
amendments
(enhanced
efficiency,
biochar),
fertilizer
use
(organic,
mineral,
combined
organic-mineral)
"4R'"
strategies
(right
source,
rate,
timing,
placement)
sustainability
indicators.
These
indicators
include
yield,
N
P
(content,
uptake,
efficiency),
quality
(soil
organic
C,
contents,
compaction),
emissions
ammonia
(NH3)
greenhouse
gases
(CO2,
N2O),
nutrient
losses
to
(N
surplus
or
leaching).
Nutrient
management,
including
4R
practices
as
well
enhanced
efficiency
amendments,
had
largest
impact,
increasing
yields
uptake
reducing
N2O
NH3
surplus,
whereas
CO2
were
variable.
Although
all
positively
impacted
effect
was
due
biochar,
followed
by
input.
Biochar
diminished
increased
emissions.
Within
only
cropping
significant
positive
both
crops
rotation
slightly
sequestration
C
in
soil,
thus
surplus.
Minimal
tillage
generally
SOC,
results
Site-specific
substantial
measures,
most
importantly
climate,
type,
texture,
pH,
dose,
experimental
duration.
Considering
variation
among
protocols
followed,
we
recommend
that
field
work
adhere
harmonized
guidelines
with
respect
reporting
site-level
data,
design,
statistical
procedures
used.
will
ensure
data
comparability
between
studies,
improve
meta-analysis
results,
give
insights
into
currently
uncertain
unknown
measures.
Life,
Год журнала:
2022,
Номер
12(3), С. 439 - 439
Опубликована: Март 17, 2022
The
concentration
of
greenhouse
gases
(GHGs)
in
the
atmosphere
has
been
increasing
since
beginning
industrial
revolution.
Nitrous
oxide
(N2O)
is
one
mightiest
GHGs,
and
agriculture
main
sources
N2O
emissions.
In
this
paper,
we
reviewed
mechanisms
triggering
emissions
role
agricultural
practices
their
mitigation.
amount
produced
from
soil
through
combined
processes
nitrification
denitrification
profoundly
influenced
by
temperature,
moisture,
carbon,
nitrogen
oxygen
contents.
These
factors
can
be
manipulated
to
a
significant
extent
field
management
practices,
influencing
emission.
relationships
between
occurrence
regulating
it
are
an
important
premise
for
devising
mitigation
strategies.
Here,
evaluated
various
options
literature
found
that
effectively
reduced
intervening
on
time
method
N
supply
(30–40%,
with
peaks
up
80%),
tillage
irrigation
(both
non-univocal
way),
use
amendments,
such
as
biochar
lime
(up
slow-release
fertilizers
and/or
inhibitors
50%),
plant
treatment
arbuscular
mycorrhizal
fungi
75%),
appropriate
crop
rotations
schemes
integrated
nutrient
(in
way).
conclusion,
acting
(fertilizer
type,
dose,
time,
method,
etc.)
most
straightforward
way
achieve
reductions
without
compromising
yields.
However,
tuning
rest
(tillage,
irrigation,
rotation,
principles
good
also
advisable,
fetch
abatement
vs.
risk
unexpected
rise,
which
incurred
unwary
management.
Global Change Biology,
Год журнала:
2024,
Номер
30(2)
Опубликована: Фев. 1, 2024
Abstract
Maintaining
or
even
increasing
crop
yields
while
reducing
nitrous
oxide
(N
2
O)
emissions
is
necessary
to
reconcile
food
security
and
climate
change,
the
metric
of
yield‐scaled
N
O
emission
(i.e.,
per
unit
yield)
at
present
poorly
understood.
Here
we
conducted
a
global
meta‐analysis
with
more
than
6000
observations
explore
variation
patterns
controlling
factors
for
maize,
wheat
rice
associated
potential
mitigation
options.
Our
results
showed
that
average
across
all
available
data
followed
order
(322
g
Mg
−1
,
95%
confidence
interval
[CI]:
301–346)
>
maize
(211
CI:
198–225)
(153
144–163).
Yield‐scaled
individual
crops
were
generally
higher
in
tropical
subtropical
zones
temperate
zones,
also
trend
towards
lower
intensities
from
low
high
latitudes.
This
was
better
explained
by
climatic
edaphic
fertilizer
management,
their
combined
effect
predicted
70%
variance.
Furthermore,
our
analysis
significant
decrease
use
efficiency
production
systems
cereal
>10
ha
(maize),
6.6
(wheat)
6.8
(rice),
respectively.
highlights
indicators
can
be
used
as
valuable
proxies
reconciling
trade‐offs
between
mitigation.
For
three
major
staple
crops,
fertilization
up
30%,
optimizing
timing
placement
application
using
enhanced‐efficiency
fertilizers
significantly
reduced
similar
yields.
data‐driven
assessment
provides
some
key
guidance
developing
effective
targeted
adaptation
strategies
sustainable
intensification
production.
Journal of Environmental Management,
Год журнала:
2021,
Номер
285, С. 112170 - 112170
Опубликована: Фев. 17, 2021
Organic
amendments
(animal
manure
and
biochar)
to
agricultural
soils
may
enhance
soil
organic
carbon
(SOC)
contents,
improve
fertility
crop
productivity
but
also
contribute
global
warming
through
nitrous
oxide
(N2O)
emission.
However,
the
effects
of
on
N2O
emissions
from
seem
variable
among
numerous
research
studies
remains
uncertain.
Here,
eighty-five
publications
(peer-reviewed)
were
selected
perform
a
meta-analysis
study.
The
results
this
study
show
that
application
animal
enhanced
by
17.7%,
whereas,
biochar
amendment
significantly
mitigated
19.7%.
Moreover,
coarse
textured
increased
[lnRR‾
=
182.6%,
95%
confidence
interval
(CI)
151.4%,
217.7%]
emission
after
manure,
in
contrast,
7.0%
amendment.
In
addition,
found
121-320
kg
N
ha-1
⩽
30
T
rates
72.3%
22.5%,
respectively.
Soil
pH
played
vital
role
regulating
amendments.
Furthermore,
>
10
C:
ratios
121.4%
27.6%
amendments,
Overall,
emissions,
while,
ratio
had
not
shown
any
effect
emissions.
average
factors
(EFs)
for
0.46%
-0.08%,
Thus,
provide
scientific
evidence
about
how
such
as
soils.
