Agriculture,
Год журнала:
2024,
Номер
14(9), С. 1579 - 1579
Опубликована: Сен. 11, 2024
The
shortage
of
water
resources
seriously
limits
sustainable
production
in
agriculture,
and
the
ridge–furrow
planting
pattern
is
an
effective
water-saving
cultivation
pattern.
However,
mechanism
that
drives
efficient
utilization
field
North
China
Plain
(NCP)
still
unclear.
A
two-year
experiment
was
conducted
NCP
from
2021
to
2023.
patterns
followed
a
randomized
block
design
as
follows:
ratios
50
cm:50
cm
(M2),
75
(M3),
100
(M4).
traditional
used
control
(M1).
These
were
investigate
effects
different
treatments
on
use
roots.
results
showed
M3
reduced
amount
irrigation,
improved
distribution
after
increased
efficiency
(WUE),
promoted
root
growth.
Compared
with
other
treatments,
soil
consumption
at
0–100
depth
by
6.76–21.34%
(average
values
over
two
years),
length
density
8.46–20.77%,
surface
area
7.87–22.13%.
On
average,
grain
yields
3.96–9.80%,
biomass
5.32–10.94%,
WUE
4.5–9.87%.
In
conclusion,
for
improving
yield
wheat
NCP.
Journal of Integrative Agriculture,
Год журнала:
2022,
Номер
22(5), С. 1277 - 1290
Опубликована: Сен. 26, 2022
The
fully
mulched
ridge-furrow
(FMRF)
system
has
been
widely
used
on
the
semiarid
Loess
Plateau
of
China
due
to
its
high
maize
(Zea
mays
L.)
productivity
and
rainfall
use
efficiency.
However,
outputs
under
this
led
depletion
soil
moisture
nutrients,
which
reduces
sustainability
in
long
run.
Therefore,
it
is
necessary
optimize
for
sustainable
development
agriculture.
development,
yield-increasing
mechanisms,
negative
impacts,
optimization,
their
relations
FMRF
are
reviewed
paper.
We
suggest
that
using
grain
forage
varieties
instead
regular
maize;
mulching
plastic
film
autumn,
or
leaving
mulch
after
harvesting
until
next
spring,
then
removing
old
new
film;
reduced/no
tillage
combined
with
straw
return;
crop
rotation
intercropping
winter
canola
(Brassica
campestris
L.),
millet
(Setaria
italica),
flax
(Linum
usitatissimum
L.);
reducing
nitrogen
fertilizer
partially
replacing
chemical
organic
fertilizer;
biodegradable
weather-resistant
mechanized
production.
These
integrations
help
establish
an
environmentally
friendly,
quality
agricultural
system,
promote
high-quality
dryland
farming,
create
opportunities
semi-arid
Plateau.
The Journal of Agricultural Science,
Год журнала:
2023,
Номер
161(3), С. 356 - 372
Опубликована: Апрель 3, 2023
Abstract
This
study
quantifies
the
effect
of
fertilizer
and
irrigation
management
on
water
use
efficiency
(WUE),
crop
growth
yield
in
sub-humid
to
semi-arid
conditions
Limpopo
Province,
South
Africa.
An
approach
coupling
a
cropping
system
model
(DSSAT)
with
an
agro-hydrological
(SWAT)
was
developed
applied
simulate
at
field
catchment
scale.
Simulation
results
indicated
that
application
has
greater
positive
maize
than
irrigation.
WUE
ranged
from
0.10–0.57
kg/m
3
(rainfed)
0.84–1.39
(irrigated)
positively
correlated
rate.
The
combined
variants
deficit
rate
(120:60
kg
N:P/ha)
for
turned
out
be
best
option,
giving
highest
increasing
average
by
up
5.7
t/ha
compared
no
fertilization
rainfed
cultivation
(1.3
t/ha).
simulated
scale
showed
considerable
spatial
variability
across
agricultural
fields
different
soils,
slopes
climate
conditions.
annual
corresponding
4.0
7.0
t/ha.
gaps
3.0
6.0
under
120N:60P
kg/ha
0.2
1.5
when
only
applying
but
fertilizer.
information
can
support
regional
decision
makers
find
appropriate
interventions
aim
improving
catchments/regions.
Agricultural Water Management,
Год журнала:
2024,
Номер
296, С. 108801 - 108801
Опубликована: Март 29, 2024
Optimizing
nitrogen
(N)
management
based
on
the
critical
N
dilution
curve
(NCDC)
has
been
proven
a
precision
fertilization
strategy
to
diagnose
crop
nutrition
status.
However,
few
explorations
have
done
establish
NCDC
for
dryland
maize
under
double
ridge-furrow
mulching,
planting
system
that
widely
adopted
in
semi-arid
areas.
Moreover,
influences
of
various
rainfall
conditions
remain
unclear.
Therefore,
9-yr
field
experiment
from
2013
2021
(five
rates:
0,
75,
150,
225,
and
300
kg
ha–1,
respectively,
represented
by
N0,
N0.25,
N0.50,
N0.75,
N1)
was
applied
established
two
systems
(Flatting
without
CK;
Double
with
DRFM)
types
(rainfall
season
drought
season).
Compared
CK,
DRFM
significantly
increased
plant
dry
matter
(PDM,
5.5–12.8%)
concentration
(4.2–6.9%),
ultimately
improved
grain
yield
(+16.9%),
cumulative
recovery
efficiency
(CNRE,
+9.8%)
water
productivity
(WPc,
+26.3%).
Rainfall
jointing
silking
stage
an
important
contributor
yield.
rainy
season,
triggered
51.7%
loss
17.1%
reduction
NRE,
respectively.
The
CK
were
Nc=36.6×PDM−0.37
Nc=38.4×PDM−0.36
respectively;
Nc
=34.5×PDM−0.27
Nc=37.3×PDM−0.30
index
(NNI)
requirement
(PNR)
intuitively
recorded
nutritional
soil
micro-environment,
PDM
uptake
N0.75
(225
ha–1
yr–1)
wet
N0.50
(150
which
brought
increase
suitable
findings
highlight
accurate
effective
method
assessing
status
rainfed
maize,
optimize
sustainable
production
regions.
Agronomy,
Год журнала:
2023,
Номер
13(9), С. 2413 - 2413
Опубликована: Сен. 19, 2023
The
ridge–furrow
planting
pattern
is
an
effective
strategy
to
improve
grain
yield,
and
changes
in
the
ridge
furrow
microenvironments
affect
wheat
yield.
However,
mechanism
by
which
yields
are
increased
at
different
ratios
unclear.
In
this
study,
four
modes,
namely
traditional
mode
(M1)
of
50:50
cm
(M2),
75:50
(M3),
100:50
(M4),
were
established
for
under
field
conditions
from
2021
2023;
effects
treatments
on
light
energy
utilization,
dry
matter
accumulation
transport,
yield
studied.
findings
demonstrated
that
M3
treatment
exhibited
highest
enhancements
parameters
such
as
leaf
area
index
(LAI),
canopy
photosynthetically
radiation
interception
rate,
relative
chlorophyll
content
(SPAD)
index,
net
photosynthetic
rate.
Moreover,
displayed
superior
filling
compared
other
treatments.
post-anthesis
assimilate
was
11.93%,
4.69%,
13.13%
higher
than
M1,
M2,
M4
treatments,
respectively,
7.70–9.56%,
3.13–4.91%,
8.69–10.90%
with
those
two
growing
seasons,
respectively.
summary,
led
LAI
SPAD
values
flag
leaves
optimized
structure,
rates
per
individual
plant.
Consequently,
there
a
significant
increase
accumulation,
resulting
achieved
among
