Land Degradation and Development,
Journal Year:
2023,
Volume and Issue:
35(1), P. 168 - 182
Published: Sept. 7, 2023
Abstract
Agricultural
practices
of
nitrogen
and
irrigation
overuse
bring
lots
environmental
problems,
such
as
greenhouse
gases
(GHGs)
emissions,
soil,
water
pollution.
With
the
fast
expansion
saline
alkaline
agricultural
soils
in
Tarim
River
Basin,
field
practice
must
be
very
cautious
facing
limitations
global
warming.
The
GHGs
were
measured
1–2
times
weekly
fertilizer
use
efficiency
evaluated
under
five
treatments:
(1)
fallow
(Control);
(2)
no
N
(kg
ha
−1
)
(mm)
(0N0W);
(3)
200
355
(LNLW);
(4)
230
475
(MNMW),
(5)
320
655
(HNHW)
(traditional
treatment)
from
2018
to
2019
maize
Aksu
Basin.
increased
with
fertilization
irrigation.
cumulative
0.6–5.9
Mg
CO
2
–C
,
0.2–3.6
kg
O–N
significantly
biomass
increase.
CH
4
was
−0.03
−0.12
C
.
MNMW
resulted
highest
average
(27
mm
),
(32
agronomic
(44
but
lowest
gas
intensity
(0.4
‐eq
grain
yield).
reduced
10
water,
5
fertilizer,
×
−3
GHGI
earning
1
t
compared
HNHW.
emission
had
a
strong
relationship
temperature
(T)
soil
moisture
(W)
(CO
=
(exp
(a
+
bW
cW
))
Q
(T‐20)/10)
(
R
0.59–0.92).
LNLW
treatment
2019;
HNHW
2018).
responding
below
trend,
that
O
above
(pH
7–9).
In
conclusion,
best
management
mitigate
where
higher
risk.
Global Change Biology,
Journal Year:
2016,
Volume and Issue:
23(2), P. 512 - 533
Published: July 22, 2016
In
the
light
of
daunting
global
sustainability
challenges
such
as
climate
change,
biodiversity
loss
and
food
security,
improving
our
understanding
complex
dynamics
Earth
system
is
crucial.
However,
large
knowledge
gaps
related
to
effects
land
management
persist,
in
particular
those
human-induced
changes
terrestrial
ecosystems
that
do
not
result
land-cover
conversions.
Here,
we
review
current
state
ten
common
activities
for
their
biogeochemical
biophysical
impacts,
level
process
data
availability.
Our
shows
ca.
one-tenth
ice-free
surface
under
intense
human
management,
half
medium
one-fifth
extensive
management.
Based
on
review,
cluster
these
into
three
groups:
(i)
which
sets
are
available,
a
good
base
exists
(cropland
harvest
irrigation);
(ii)
sufficient
but
robust
lacking
(forest
harvest,
tree
species
selection,
grazing
mowing
N
fertilization);
(iii)
practices
with
severe
concomitant
an
unsatisfactory
(crop
artificial
wetland
drainage,
tillage
fire
crop
residue
element
harvest).
Although
identify
multiple
impediments
progress,
conclude
status
availability
advance
incorporating
in,
example,
or
dynamic
vegetation
models
order
provide
systematic
assessment
role
system.
This
contributes
strategic
prioritization
research
efforts
across
disciplines,
including
research,
ecological
modelling.
Scientific Reports,
Journal Year:
2015,
Volume and Issue:
5(1)
Published: Nov. 2, 2015
Abstract
Quantifying
nitrous
oxide
(N
2
O)
fluxes,
a
potent
greenhouse
gas,
from
soils
is
necessary
to
improve
our
knowledge
of
terrestrial
N
O
losses.
Developing
universal
sampling
frequencies
for
calculating
annual
fluxes
difficult,
as
are
renowned
their
high
temporal
variability.
We
demonstrate
daily
was
largely
required
achieve
within
10%
the
‘best’
estimate
28
datasets
collected
three
continents—Australia,
Europe
and
Asia.
Decreasing
regularity
measurements
either
under-
or
overestimated
with
maximum
overestimation
935%.
Measurement
frequency
lowered
using
strategy
based
on
environmental
factors
known
affect
variability,
but
still
more
than
once
week.
Consequently,
uncertainty
in
current
global
budgets
associated
upscaling
field-based
can
be
decreased
significantly
adequate
frequencies.
Agricultural Water Management,
Journal Year:
2023,
Volume and Issue:
290, P. 108599 - 108599
Published: Nov. 21, 2023
Climate
change
caused
by
increasing
greenhouse
gas
(GHG)
emissions
has
led
to
frequent
extreme
weather
events,
which
seriously
threaten
sustainable
agricultural
production.
Therefore,
it
is
essential
optimize
proper
irrigation
management
improve
the
grain
yield,
crop
water
productivity
(WPc),
economic
(EWPc),
and
lower
global
warming
potential
(GWP)
GWP
Intensity
(GWPI).
The
effect
of
scheduling
methods
on
GHG
remains
largely
unknown,
even
though
this
knowledge
management.
To
address
gap,
a
field
experiment
was
carried
out
in
North
China
Plain
(NCP)
for
three
winter
wheat
seasons
measure
influence
different
WPc,
EWPc,
GWP,
GWPI.
Irrigation
including
50%,
60%,
70%
capacity
(FC)
were
kept
main
plots
methods,
sprinkler,
drip,
flood
sub-plots.
results
revealed
that
relative
sprinkler
at
60%
FC,
drip
FC
significantly
(p
<
0.05)
improved
yield
4.89–7.52%,
WPc
1.0–5.4%,
EWPc
1.1–5.49%,
7.47–9.34%,
GWPI
10.92–15.23%.
Compared
with
increased
5.34–6.81%,
5.65–15.1%,
5.73–15.12%,
10.36–15.16%,
16.22–19.40%.
Technique
order
preference
similarity
an
ideal
solution
(TOPSIS)
presented
compared
scheduling,
provides
best
optimal
balance
combined
suggested
sustained
mitigated
NCP.
