Agriculture,
Год журнала:
2022,
Номер
12(4), С. 448 - 448
Опубликована: Март 23, 2022
Humic
acid
plays
an
important
role
in
improving
grain
yield
and
reducing
N
losses.
In
order
to
explore
the
effects
of
humic
added
controlled-release
fertilizer
on
summer
maize
yield,
nitrogen
use
efficiency
(NUE)
characteristics
greenhouse
gas
(GHG)
emissions
farmland
soil,
a
two-year
field
experiment
was
set
up.
The
treatments
consisted
two
fertilizers:
3%
(HACRF),
(CRF)
control
(without
fertilizer,
N0).
results
demonstrate
that
NUE
were
significantly
increased
with
addition
fertilizer.
Compared
N0
CRF,
by
99.1%
5.0%,
respectively.
contents
soil
ammonium–nitrogen
(NH4+-N)
nitrate–nitrogen
(NO3−-N)
HACRF
higher
during
early
growth
stage
but
lower
late
grain-filling
stage.
interdependent
rate
4.6–5.4%
7.2–11.6%,
respectively,
across
years
compared
those
CRF.
Moreover,
annual
cumulative
N2O
decreased
29.0%
Thus,
global
warming
potential
emission
intensity
29.1%
32.59%,
conclusion,
adding
can
result
uptake,
improve
reduce
emissions,
which
have
better
environmental
effects.
Agricultural Water Management,
Год журнала:
2023,
Номер
282, С. 108281 - 108281
Опубликована: Март 20, 2023
Global
water
shortages
and
appropriate
crop
residues
management
are
the
major
issues
threatening
sustainable
development
of
agriculture,
food
security,
environment.
In
this
study,
we
conducted
a
one-year
field
experiment
(in
2020–2021)
to
investigate
annual
yield,
greenhouse
gas
(GHG)
emissions,
global
warming
potential
(GWP)
intensity
(GHGI)
in
wheat-maize
cropping
system.
Straw
practices
were
kept
main
plot,
including
straw
incorporation
(SI)
removal
(SR).
Irrigation
allocated
into
sub-plots,
surface
drip
irrigation
(DI),
sub-surface
(SDI),
partial
rootzone
(PRI),
flood
(FP).
All
treatments
fertilized
at
level
210
kg
N
ha–1
for
each
season.
The
soil
acted
as
net
sink
CH4
but
source
N2O
emissions
during
growth
period
under
all
treatments.
highest
direct
GHGs,
GWP,
GHGI
found
FP
compared
with
other
SI
or
SR.
significantly
increased
yield
(5.0%),
emission
(17.1%)
ΔSOC
(119.9%),
decreased
(19.4%)
GWPd
(19.6%),
thus
resulting
GWP
reduction
23.6%
SR
SDI.
Additionally,
best
treatment
minimizing
negative
environmental
impacts
was
SDI,
which
reduced
by
39.7%
(P
<
0.05),
43.0%
0.05)
SI.
We
conclude
that
combined
simultaneously
mitigates
GHG
improves
enhances
C
sequestration,
making
it
suitable
environment-friendly
agricultural
practice
farming
northern
China.
Plants,
Год журнала:
2023,
Номер
12(4), С. 692 - 692
Опубликована: Фев. 4, 2023
Irrigation
has
been
pivotal
in
sustaining
wheat
as
a
major
food
crop
the
world
and
is
increasingly
important
an
adaptation
response
to
climate
change.
In
context
of
agricultural
production
responding
change,
improved
irrigation
management
plays
significant
role
increasing
water
productivity
(WP)
maintaining
sustainable
development
resources.
Considering
that
cultivated
arid
semi-arid
regions,
which
consumes
high
amounts
water,
developing
with
efficiency
urgently
required.
Both
scheduling
methods
intricately
influence
physiology,
affect
plant
growth
development,
regulate
grain
yield
quality.
this
frame,
review
aims
provide
critical
analysis
regulation
mechanism
on
formation,
key
traits
involved
uptake
utilization
efficiency,
we
suggest
series
future
perspectives
could
enhance
wheat.
Agricultural Water Management,
Год журнала:
2023,
Номер
287, С. 108434 - 108434
Опубликована: Июль 7, 2023
The
comprehensive
greenhouse
effect
depends
on
the
trade-off
between
gas
(GHG)
emissions
and
soil
organic
carbon
sequestration
(SOCS)
of
paddy
fields.
Investigations
straw
return
GHG
SOCS
under
different
water
management
regimes
help
clarify
strategy
to
alleviate
Therefore,
a
two-year
field
experiment
was
conducted
investigate
emissions,
SOCS,
rice
yield.
fields
quantified
by
calculating
emission
intensity
(GHGI)
net
(NGHGE).
included
four
treatments:
CI:
controlled
irrigation
+
removal;
FI:
flooded
CI+SR:
return;
FI+SR:
return.
results
showed
that
could
increase
yield
regimes,
average
CI+SR
were
higher
than
FI+SR.
Furthermore,
compared
with
FI,
FI+SR
promoted
increased
global
warming
potential
36.37%,
which
significantly
GHGI
NGHGE
19.95%
22.63%,
respectively.
However,
had
no
significant
difference
FI
due
water-saving
mitigate
CH4
caused
decrease
22.02%
38.45%,
combined
is
an
effective
Plants,
Год журнала:
2024,
Номер
13(4), С. 509 - 509
Опубликована: Фев. 12, 2024
Wheat
(Triticum
aestivum
L.)
is
a
strategic
agricultural
crop
that
plays
significant
role
in
maintaining
national
food
security
and
sustainable
economic
development.
Increasing
technical
performance
considering
lowering
costs,
energy,
environmental
consequences
are
aims
for
wheat
cultivation.
For
drylands,
which
cover
approximately
41%
of
the
world’s
land
surface,
water
stress
has
considerable
negative
impact
on
output.
The
current
study
aimed
to
assess
aspects
chemical
fertilizer
combination
with
compost
dryland
irrigated
winter
production
systems
through
life
cycle
assessment
(LCA).
cradle-to-farm
gate
was
considered
as
system
boundary
based
one
tone
yield
four
strategies:
D-C
(dryland
compost),
D
without
I-C
(irrigated
I
compost).
Based
results,
highest
lowest
amounts
were
related
strategies
12.2
6.7
ton
ha−1,
respectively.
LCA
result
showed
strategy
comparison
other
had
human
health
(49%),
resources
(59%),
ecosystem
quality
(44%),
climate
change
(43%).
However,
resulted
adverse
effect
6%
health,
1%
resources,
10%
quality,
11%
change.
Utilizing
areas
could
ensure
higher
crops
addition
alleviating
indicators.
Agricultural Water Management,
Год журнала:
2024,
Номер
294, С. 108726 - 108726
Опубликована: Фев. 16, 2024
The
North
China
Plain
(NCP)
is
a
remarkable
agricultural
area
with
severe
water
scarcity
and
uneven
precipitation,
especially
in
wheat
season.
Optimizing
irrigation
strategies
to
increase
productivity
(WP)
achieve
higher
yield
winter
wheat-summer
maize
rotation
urgently
needed
has
been
persistent
challenge.
A
four-year
field
experiment
was
conducted
explore
the
impact
of
on
WP
subsequent
under
different
precipitation
year
types
(dry
normal
years,
categorized
based
cumulative
from
sowing
jointing
stage
(P1)).
Four
(W0,
no
irrigation;
W1,
pre-sowing
W2,
+
W3,
anthesis
irrigation)
were
adopted
for
wheat,
identical
operations
applied
maize.
Results
showed
that
affected
by
P1
rather
than
total
precipitation.
Irrigation
improved
enhancing
evapotranspiration,
spike
number,
grain
1000-seed
weight.
water-limited
gap
between
W2
W1
significantly
those
W0,
W3
implying
suitable
strategy
production.
Different
season
had
effect
but
increased
13.2–29.3%
16.1–41.8%
compared
other
treatments
through
decreasing
soil
storage
before
dry
years.
Therefore,
we
recommended
annual
yield,
WP,
net
income
years
(37.6
mm
<
79.9
mm);
lower
consumption
economic
benefits
(P1
37.6
mm),
respectively.
Overall,
optimizing
conditions
an
effective
cope
resource
shortages
crop
NCP.
