Impact of Crop Residue, Nutrients, and Soil Moisture on Methane Emissions from Soil under Long-Term Conservation Tillage
Soil Systems,
Journal Year:
2024,
Volume and Issue:
8(3), P. 88 - 88
Published: Aug. 13, 2024
Greenhouse
gas
emissions
from
agricultural
production
systems
are
a
major
area
of
concern
in
mitigating
climate
change.
Therefore,
study
was
conducted
to
investigate
the
effects
crop
residue,
nutrient
management,
and
soil
moisture
on
methane
(CH4)
maize,
rice,
soybean,
wheat
systems.
In
this
study,
incubation
experiments
were
with
four
residue
types
(maize,
wheat),
seven
management
treatments
{N0P0K0
(no
nutrients),
N0PK,
N100PK,
N150PK,
N100PK
+
manure@
5
Mg
ha−1,
biochar@
N150PK+
ha−1},
two
levels
(80%
FC,
60%
FC).
The
results
indicated
that
interactive
type,
significantly
affected
fluxes.
After
87
days
incubation,
treatment
receiving
rice
at
FC
had
highest
cumulative
CH4
mitigation
−19.4
µg
C
kg−1
soil,
emission
observed
application
N0PK
80%
(+12.93
soil).
Nutrient
mixed
across
following
order:
N150PK
>
biochar
N0P0K0
manure
N100PK.
Decreasing
reduced
all
treatments.
Wheat
maize
residues
exhibited
carbon
mineralization
rates,
followed
by
soybean
residues.
inputs
generally
decreased
mineralization.
regression
analysis
dominant
predictor
variables
estimated
31%
fluxes
Vertisols.
show
complexity
dynamics
emphasize
importance
integrated
crop,
nutrient,
(irrigation)
strategies
need
be
developed
minimize
mitigate
Language: Английский
Legume-based rotation benefits crop productivity and agricultural sustainability in the North China Plain
Soil and Tillage Research,
Journal Year:
2025,
Volume and Issue:
250, P. 106502 - 106502
Published: Feb. 20, 2025
Language: Английский
Reducing nitrogen application under water saving irrigation reduces greenhouse gas emissions by regulating the population of functional microorganisms, compatible with improving the wheat yield in the North China Plain
Chuanliang Li,
No information about this author
Yu Shi,
No information about this author
Zhenwen Yu
No information about this author
et al.
Plant and Soil,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 9, 2025
Language: Английский
Drip Fertigation Increases Maize Grain Yield by Affecting Phenology, Grain Filling Process, Biomass Accumulation and Translocation: A 4-Year Field Trial
Plants,
Journal Year:
2024,
Volume and Issue:
13(14), P. 1903 - 1903
Published: July 10, 2024
Drip
fertigation
(DF)
is
a
widely
used
technology
to
increase
grain
yield
with
water
and
fertilizer
conservation.
However,
the
mechanism
of
high
(GY)
under
DF
still
unclear.
Here,
four-year
field
experiment
assessed
impacts
four
treatments
(i.e.,
conventional
irrigation
nitrogen
application,
CK;
drip
fertilization,
DI;
split-nitrogen
irrigation,
SF;
fertigation,
DF)
on
maize
phenology,
leaf
photosynthetic
rates,
filling
processes,
plant
biomass,
GY.
The
results
showed
that
significantly
increased
GY
by
affecting
traits,
aboveground
biomass
(BIO)
accumulation,
translocation.
Specifically,
chlorophyll
content,
which
enhanced
together
an
area
index,
promoted
BIO
accumulation.
As
result,
at
silking
stage
29.5%,
transported
109.2%
(1.2
t
ha
Language: Английский
Biochar for sustainable agriculture: Improved soil carbon storage and reduced emissions on cropland
Debo He,
No information about this author
Han Ma,
No information about this author
Dongni Hu
No information about this author
et al.
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
371, P. 123147 - 123147
Published: Nov. 6, 2024
Language: Английский
Optimization of inter-seasonal nitrogen allocation increases yield and resource-use efficiency in a water-limited wheat–maize cropping system in the North China Plain
Xiaonan Zhou,
No information about this author
Chenghang Du,
No information about this author
Haoran Li
No information about this author
et al.
The Crop Journal,
Journal Year:
2024,
Volume and Issue:
12(3), P. 907 - 914
Published: April 26, 2024
Winter
wheat–summer
maize
cropping
system
in
the
North
China
Plain
often
experiences
drought-induced
yield
reduction
wheat
season
and
rainwater
nitrogen
(N)
fertilizer
losses
season.
This
study
aimed
to
identify
an
optimal
interseasonal
water-
N-management
strategy
alleviate
these
losses.
Four
ratios
of
allocation
360
kg
N
ha−1
between
seasons
under
one-time
presowing
root-zone
irrigation
(W0)
additional
jointing
anthesis
(W2)
one
after
sowing
were
set
as
follows:
N1
(120:240),
N2
(180:180),
N3
(240:120)
N4
(300:60).
The
results
showed
that
W0,
treatment
produced
highest
annual
yield,
crop
water
productivity
(WPc),
partial
factor
(PFPN).
Increased
W0
improved
without
affecting
surplus
nitrate
harvest
was
retained
topsoil
layers
available
for
subsequent
maize.
Under
W2,
largest
treatment.
risk
leaching
increased
W2
when
application
rate
exceeded
treatment,
especially
wet
year.
Compared
W2N2,
W0N3
maintained
95.2
%
grain
over
two
years.
WPc
higher
than
Therefore,
following
limited
total
rate,
appropriate
transfer
from
had
potential
a
"triple
win"
high
WPC
PFPN
water-limited
wheat–maize
Language: Английский
Multiple Nitrogen Sources Application Inhibits Increasing Ammonia Volatilization Under Reducing Irrigation
Taotao Chen,
No information about this author
Erping Cui,
No information about this author
Ke Sun
No information about this author
et al.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(12), P. 2927 - 2927
Published: Dec. 8, 2024
Farmland
ammonia
(NH3)
volatilization
is
an
important
source
of
NH3,
and
the
application
chemical
fertilizer
nitrogen
(N)
main
factor
affecting
NH3
volatilization.
The
optimal
substitution
with
organic
manure
straw
reportedly
reduces
volatilization,
while
reducing
irrigation
increases
However,
combined
effect
on
role
microorganisms
in
this
process
remains
unclear.
In
a
soil
column
experiment,
microbial
composition
were
measured
under
both
multiple
N
sources
different
levels
by
vented-chamber
method
metagenomic
sequencing.
results
revealed
that
reduced
cumulative
16.5–75.4%
compared
to
single
application,
decreasing
trend
conditions
was
greater.
Microorganisms
had
more
than
conventional
irrigation.
abundance
nirA,
arcC,
E3.5.1.49,
E3.5.5.1
(ammonia-producing)
genes
varied
significantly
at
two
levels.
Overall,
could
inhibit
increasing
fertilizer.
Our
findings
contribute
valuable
insights
into
Language: Английский