Pesquisa Agropecuária Tropical,
Journal Year:
2024,
Volume and Issue:
54
Published: Jan. 1, 2024
ABSTRACT
Applying
climate-smart
agriculture
practices,
such
as
foliar
spraying
with
growth
stimulants
and
improving
drought
tolerance,
seems
to
be
a
rational
solution
in
drought-prone
areas.
The
present
study
aimed
evaluate
irrigation
regimes
(I1:
full-watered;
I2:
rainfed
condition;
I3:
interruption
of
at
the
flowering
stage;
I4:
seed
setting
stage)
(S1:
spray
distilled
water;
S2:
250
Mm
thiamin;
S3:
1
ascorbic
acid;
S4:
100
ppm
silicon
dioxide
nanoparticles;
S5:
500
zinc
oxide
nanoparticles)
on
morpho-physiological
traits
rapeseed
(Brassica
napus
L.).
accelerated
maturity
lowest
yield
were
recorded
under
I2
(1,389
kg
ha-1),
which
was
38
%
lower
than
obtained
I1.
greatest
decrease
evaluated
traits,
chlorophyll
(48
%),
leaf
relative
water
content
(25
number
pods
per
plant
(56
height
(29
%)
canopy
spread
(24
I2.
performance
related
I3,
respectively.
treatments
did
not
mitigate
disruptive
effects
I3
growth;
however,
I1,
use
nanoparticles,
nanoparticles
thiamine
increased
some
components.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 22, 2025
The
soil
ecosystem
has
been
severely
damaged
because
of
the
increasingly
severe
environmental
problems
caused
by
excessive
application
phosphorus
(P)
fertilizer,
which
seriously
hinders
fertility
restoration
and
sustainable
farmland
development.
Shoot
P
uptake
(SPU)
is
an
important
parameter
for
monitoring
crop
growth
health
improving
field
nutrition
management
fertilization
strategies.
Achieving
on-site
measurement
large-scale
data
difficult,
effective
nondestructive
prediction
methods
are
lacking.
Improving
spatiotemporal
SPU
estimation
at
regional
scale
still
poses
challenges.
In
this
study,
we
proposed
a
combination
model
based
on
some
representative
samples.
Furthermore,
using
experimental
area
Henan
Province,
as
example,
explored
potential
hyperspectral
maize
canopy
scale.
comprises
predicted
leaves,
stems,
grains.
Results
show
that
(1)
accuracy
combined
greatly
improved
compared
with
simple
empirical
models,
test
results
R
2
=
0.87,
root
mean
square
error
2.39
kg/ha,
relative
percentage
difference
2.71.
(2)
performance
tests
different
sample
sizes,
two-dimensional
correlation
spectroscopy
i.e.,
first-order
differentially
enhanced
(1Der-2DCOS)
two-trace
2DCOS
filling
milk
stages
(filling-milk-2T2DCOS))
can
effectively
robustly
extract
spectral
trait
relationships,
good
robustness,
achieve
efficient
small
(3)
hybrid
constrained
Newton-Raphson-based
optimizer’s
active
learning
method
filter
localized
simulation
localization
in
regions
when
solving
practical
problems,
model’s
accuracy.
practice
shown
number
samples,
fully
utilize
remote
sensing
technology
to
predict
SPU,
providing
evaluation
tool
use
agricultural
P.
Therefore,
prospects
expected
become
means
global
surplus,
promoting
Plants,
Journal Year:
2025,
Volume and Issue:
14(4), P. 501 - 501
Published: Feb. 7, 2025
Soil
salinization
poses
a
serious
threat
to
global
food
security,
as
high
Na+
contents
in
soils
hinder
nitrogen
use
efficiency
(NUE),
affecting
the
growth
and
yield
of
crop
plants.
The
present
study
aims
explore
effects
different
fertilizer
types
viz.,
NO3-
(N1)
NH4+
(N2)
planting
densities,
D1:
30
×
10
cm,
D2:
20
D3:
on
development,
absorption
utilization,
formation.
salt-tolerant
rice
variety
'Jingliangyou
3261'
was
exposed
0.3%
salt
irrigation
water.
Results
revealed
that
N2
substantially
improved
by
increasing
number
effective
panicles
rate
grain-setting
compared
N1.
In
addition,
also
increased
leaf
chlorophyll
content,
dry
matter
accumulation,
antioxidant
enzyme
activity
such
superoxide
dismutase,
peroxidase,
catalase
reduced
content
malondialdehyde.
comparison
with
N1,
treatment
resulted
an
increase
12.21%,
31.89%,
37.53%
total
recovery
(NRE),
agronomic
(NAE),
respectively.
This
can
be
attributed
enhanced
metabolic
activity,
including
nitrate
reductase
glutamine
synthetase,
more
robust
root
system.
Under
N1
conditions,
D3,
D1
tillers
but
decreased
percentage
productive
tillers,
grains
per
panicle,
grain-filling
rate,
thousand-grain
weight,
thereby
reducing
yield.
Additionally,
D3
significantly
NRE
NAE
treatment.
Therefore,
rational
selection
type
density
(D3)
is
crucial
for
improving
rice.
would
broaden
scope
agricultural
solutions
saline
soils,
potentially
security
regions
where
soil
widespread
issue.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(4), P. 840 - 840
Published: March 28, 2025
Different
cultivation
measures,
including
seeding
patterns,
plastic
film
mulching,
and
drip
irrigation,
significantly
affect
crop
growth
yield.
This
study
conducted
a
two-year
field
experiment,
involving
eight
treatments:
hole
drill
seeding,
mulching
bare
land,
as
well
with
without
irrigation.
Analyzed
the
impact
on
agronomic
traits,
photosynthesis,
chlorophyll
fluorescence
parameters,
yield
components
during
period
of
foxtail
millet.
The
results
two
years
indicate
that
trend
millet
was
consistent
under
both
seeding.
best
performance
achieved
irrigation
treatment
for
followed
by
no
land.
In
2024,
maximum
HFD
in
pattern
4627.55
kg/ha.
DFD
is
4430.22
summary,
based
comprehensive
optimization
data
effective
accumulated
temperature
local
area,
planting
method
cold
cool
regions,
aids
increasing
tillage
layer.
Hole
conducive
to
enhancing
seedling
quality.
Performing
once
late
heading
stage
stimulates
fruiting
millet,
thereby
