PeerJ,
Год журнала:
2024,
Номер
12, С. e18792 - e18792
Опубликована: Дек. 24, 2024
It
is
very
important
to
determine
the
chlorophyll
content
(SPAD)
and
nitrogen
(N)
requirement
in
order
increase
seed
yield
nutritional
quality
of
wheat.
This
research
was
carried
out
with
three
N
doses
(0,
50,
100
kg
ha
−1
)
nine
wheat
cultivars
(Alpu-2001,
Soyer-02,
Kate-A1,
Bezostaja-1,
Altay-2000,
Müfitbey,
Nacibey,
Harmankaya-99
Sönmez-2001)
during
2-years
field
condition
according
factorial
randomized
complete
block
design
replications.
In
this
study,
dose
(N50),
increased
by
13%,
plant
height
10.8%,
1,000
weight
10.5%
compared
control
plants
(N0).
The
from
50
gave
lower
rates
same
criteria
(11.7%,
11.4%,
10.3%,
respectively).
However,
spike
number
per
plant,
spikelet
spike,
length
showed
statistically
significant
differences
between
varieties.
Boost
caused
a
without
application.
flag
leaf
area
index
were
determined
at
growth
times
(1
st
time;
early,
2
nd
middle
end
flowering,
3
rd
10-day
interval).
Chlorophyll
significantly
(
p
<
0.01)
affected
dose,
variety
time.
As
increased,
it
higher
both
N0.
had
highest
(30.22%)
1
time
decreased
as
period
progressed.
doses,
varieties
their
interactions
effects
on
index.
(41.9
cm
Bezostaja-1
treatment.
effect
found
abaxial
adaxial
stomata
width-length
epidermal
cells.
width
than
N0
levels.
width-
obtained
dose.
concentration
stomatal
density
increased.
varied
19%
36%.
lowest
appeared
variety.
result,
characteristics,
content,
agronomic
traits
increasing
doses.
Nitrogen
fertilizer
delivery
inefficiencies
limit
crop
productivity
and
contribute
to
environmental
pollution.
Herein,
we
developed
Zn-
Fe-doped
hydroxyapatite
nanomaterials
(ZnHAU,
FeHAU)
loaded
with
urea
(∼26%
N)
through
hydrogen
bonding
metal-ligand
interactions.
The
attach
the
leaf
epidermal
cuticle
localize
in
apoplast
of
cells,
triggering
a
slow
N
release
at
acidic
conditions
(pH
5.8)
that
promote
wheat
(
Agronomy,
Год журнала:
2024,
Номер
14(4), С. 826 - 826
Опубликована: Апрель 16, 2024
Drought
is
the
most
important
factor
limiting
winter
wheat
yield
in
North
China
Plain
(NCP).
Choosing
high-yielding
cultivars
an
measure
to
minimize
negative
effects
of
drought
stress.
Field
studies
were
conducted
with
10
2020–2022
seasons
under
three
irrigation
treatments
(I0,
without
irrigation;
I1,
irrigated
at
jointing
stage;
I2,
and
anthesis
stages)
NCP
examine
water
use
strategies
root
shoot
traits
different
supply
conditions.
The
results
showed
that
variation
among
was
21.2–24.6%,
23.7–25.9%
11.6–15.3%
for
I0,
I1
I2
treatments,
respectively.
Under
deficit
conditions
(I0
I1),
reduced
during
vegetative
stages
increased
soil
reproductive
stages,
especially
from
deeper
layers.
Those
higher
length
density
(RLD)
deep
layers
exhibited
uptake.
Each
additional
millimeter
used
after
100–200
cm
grain
by
23.6–29.6
kg/ha
16.4–28.5
I0
This
strategy
enhanced
dry
matter
accumulation
anthesis,
decreased
canopy
temperature
(CT)
relative
leaf
contents
(RLWC),
which
ultimately
improved
yield.
For
grown
had
productivity
(WP).
Root
(RL),
weight
(RW)
root:shoot
ratio
each
negatively
correlated
yield,
while
above-ground
biomass
positively
Therefore,
smaller
systems
are
two
sufficient
(I2)
NCP.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 19, 2024
Compared
to
conventional
irrigation
and
fertilization,
the
Water-fertilizer
coupling
can
significantly
enhance
efficiency
of
water
fertilizer
utilization,
thereby
promoting
crop
growth
increasing
yield.
Targeting
challenges
poor
growth,
low
yield,
inefficient
utilization
in
arid
region
northwest
China
under
fertilization
practices.
Therefore,
a
two-year
on-farm
experiment
2022
2023
was
conducted
study
effects
water-fertilizer
regulation
on
pumpkin
consumption
(ET),
use
efficiency.
Simultaneously
comprehensive
evaluation
multiple
objectives
carried
out
using
principal
component
analysis
(PCA)
methods,
so
as
propose
an
suitable
scheme
for
region.
The
set
up
two-factor
trial
integration
technology
three
volume
(W1
=
37.5
mm,
W2
45.5
W3
52.5mm)
organic
application
amounts
(F1
3900-300
kg
ha
-1
,
F2
4800-450
kg·ha
F3
5700-600
),
with
traditional
from
local
farmers
control
treatments
(CK).
results
indicated
that
affected
(P<0.05).
Pumpkin
yield
increased
volume.
Increasing
levels
within
certain
range
benefited
plant
dry
matter
accumulation,
however,
excessive
beyond
level
had
inhibited
those.
same
enhanced
utilization.
However
only
resulted
consumption,
reducing
Comprehensive
by
PCA
revealed
F2W3
treatment
outperformed
all
others,
effectively
addressing
triple
production,
improving
efficiency,
green
production.
(Irrigation
volume:
52.5
mm;
Fertilizer
amounts:
kg/ha
)
management
efficient
production
China.
Plants,
Год журнала:
2024,
Номер
13(11), С. 1439 - 1439
Опубликована: Май 22, 2024
Conventional
water
and
nitrogen
(N)
management
practice
in
north
China,
comprising
flood
irrigation
N
fertilizer
broadcast
(FB),
limits
sustainable
wheat
production.
Drip
fertigation
(DF)
has
been
widely
adopted
production
recent
years
effectively
improved
yields.
However,
the
responses
of
yield
quality
to
topdressing
rate
(NTR)
under
DF
are
still
unclear.
This
study
determined
NTR
DF,
as
well
assessing
whether
could
synergistically
increase
quality.
A
field
experiment
was
conducted
China
for
two
seasons
(2021–2023)
using
a
split-plot
design
with
three
replicates.
The
main
plot
used
(FB
DF)
sub-plot
had
treatment
(no
applied,
NTRs
0,
40,
80,
120,
160
kg
ha−1
150
basal
fertilizer,
denoted
N0,
T0,
T40,
T80,
T120,
T160,
respectively).
Our
results
showed
that
high
saturated
yields
(12.08
11.46
t
ha−1)
were
obtained
at
highest
produced
T160
(11.71
11.30
FB.
Compared
FB,
greatest
10.4–12.6%
achieved
T80
DF.
higher
spike
number
due
increased
effective
stem
percentage
greater
grain
weight
because
enhanced
post-anthesis
biomass
(BPpost)
explained
radiation
use
efficiency
(RUE)
led
BPpost
specific
leaf
N,
antioxidant
capacity,
stomatal
conductance
light-saturated
photosynthesis
flag
leaves,
which
partly
RUE.
than
80
did
not
enhance
yield,
but
it
significantly
gliadin
glutelin
contents,
thereby
leading
total
protein
content,
better
gluten
characteristics,
superior
processing
Therefore,
drip
is
practical
strategy
increasing
both
reduced
input
appropriate
irrigated
winter
China.
Applying
produces
further
gain
needs
NTR.
