Notulae Botanicae Horti Agrobotanici Cluj-Napoca,
Journal Year:
2024,
Volume and Issue:
52(2), P. 13728 - 13728
Published: May 21, 2024
Nitrogen
fertilizer
levels
significantly
affect
crop
growth
and
development,
necessitating
precision
management.
Most
studies
focus
on
nitrogen
nutrient
estimation
using
vegetation
indices
textural
features,
overlooking
the
diagnostic
potential
of
color
features.
Hence,
we
investigated
cotton
nutrition
status
unmanned
aerial
vehicle
(UAV)
image
features
index
(NNI).
Random
frog
algorithm
-
random
forest-screened
feature
sets
correlated
with
NNI,
which
were
substituted
into
four
machine
learning
algorithms
for
NNI
modeling.
The
composite
scores
(F)
optimal
calculated
coefficient
variation
method
comprehensive
diagnosis.
Validation
model
determining
critical
concentration
in
yielded
a
determination
R2
=
0.89,
root
mean
square
error
RMSE
0.50
g
(100
g)-1,
absolute
MAE
0.44,
demonstrating
improved
performance.
Additionally,
our
novel
constructed
based
exhibited
R2c
0.97,
RMSEc
0.02,
MAEc
R2v
0.85,
RMSEv
0.05,
MAEv
0.04.
Polynomial
fitting
indicated
that
was
reliable
following
criterion:
0.48
<
F2
0.67
overapplication,
whereas
or
>
deficiency.
This
study
demonstrates
superior
effectiveness
UAV
RGB
quick,
accurate
diagnosis
levels,
will
help
guide
application.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
158, P. 111570 - 111570
Published: Jan. 1, 2024
Restoring
degraded
ecosystems
in
drylands
is
challenging
because
of
low
precipitation
and
high
evapotranspiration.
Water
availability
determines
the
existence
spatiotemporal
distribution
patterns
key
endangered
species
struggling
to
survive
severely
damaged
desert
riparian
ecosystem
lower
Tarim
River
(LTR)
NW
China.
Ecological
water
flow
restoration
measures
with
costs
uncertainties
have
been
implemented
since
2000.
The
task
for
scientists
assess
success
drawbacks
this
project
propose
specific
recommendations
stakeholders
optimize
ecological
benefits
a
cost-effective
manner.
In
study,
Landsat
time-series
data
from
1990
2020
were
used
extract
vegetation
index
values
river
corridors
along
LTR
explore
forest
(DRF)
vegetation.
Based
on
land
use
surface
data,
we
extracted
interannual
spatial
range
water,
selected
several
sample
plots
demonstrate
influence
groundwater
change
trends.
study
results
showed
following.
1)
From
1999,
slowly
degraded;
2000
2012,
extent
was
approximately
1
km
river;
2013
2020,
at
Yingsu
Karday
sections
increased
4.5–6.0
km,
while
that
Arghan
Yiganbujima
remained
within
river.
2)
growth
rate
substantially
spatially
heterogeneous
when
level
reached
4.0–5.0
m
influenced
by
divergence;
average
expansion
rates
per
square
P1–P4
0.017
km2/a,
0.011
0.005
0.002
respectively.
3)
Flooding
main
driver
stable
elevations
area
often
accompanied
spreading
water.
Surface
significantly
correlated
cover
normalized
difference
(NDVI)
(Water
pixels–Vegetation
[P1:
R2
=
0.57,
P
<
0.001;
P2:
0.45,
0.01];
pixels–NDVI
0.22,
0.05;
0.40,
0.01]).
increase
has
alleviated
desertification
process
LTR,
survival
poplar
mitigated.
paper
can
help
decision
makers
formulate
reasonable
conveyance
strategies
realize
sustainable
management
DRF
arid
zones.
Agricultural Water Management,
Journal Year:
2023,
Volume and Issue:
290, P. 108583 - 108583
Published: Nov. 10, 2023
Seed
cotton
yield
and
fiber
quality
are
two
primary
factors
that
influence
the
international
competitiveness
of
cotton.
To
enhance
water-nitrogen
utilization
efficiency
promote
sustainable
production,
field
experiments
were
performed
in
2020
2021
to
explore
effects
irrigation
depth
nitrogen
(N)
fertilization
rate
on
N
uptake
distribution,
seed
yield,
traits
Korla
region
southern
Xinjiang,
China.
Three
depths
(W1:
60%
ETc,
W2:
80%
W3:
100%
ETc;
ETc
was
crop
water
consumption)
four
rates
(N0:
0
kg
ha−1,
N200:
200
N300:
300
N400:
400
ha−1)
applied.
The
results
showed
significantly
influenced
distribution
plant
organs,
productivity
(WP),
partial
factor
(PFPN)
some
traits.
Increasing
improved
height,
leaf
area
index,
aboveground
dry
matter
while
increasing
increased
then
declined
these
indicators.
At
squaring
flowering
stages,
accumulation
all
parts
as
increased,
whereas
it
with
at
boll-setting
harvesting
stages.
mainly
accumulated
leaves.
As
growth
period
progressed,
transported
bolls
proportion
content
leaves
decreased.
largest
organs
followed
order
boll
>
stem
root.
PFPN
but
WP
decreased
declined.
increases
quality.
maximum
(7578
ha−1
7173
2021)
greater
WP,
occurred
W3N300,
which
recommended
a
production
strategy
Xinjiang
elsewhere
similar
environments
improve
efficiency,
alleviate
soil
nitrate
pollution
risk.
Expert Systems,
Journal Year:
2025,
Volume and Issue:
42(4)
Published: Feb. 23, 2025
ABSTRACT
Driven
by
rapid
urbanisation,
the
Beijing‐Tianjin‐Hebei
region
(BTH)
has
experienced
a
dramatic
increase
in
resource
consumption
and
environmental
strain.
Investigating
relationships
among
water,
energy
carbon
can
help
balance
efficient
utilisation,
conservation
economic
growth,
while
promoting
sustainable
urban
development.
This
study
develops
an
analytical
framework
for
water‐energy‐carbon
nexus
within
eco‐transformation.
Specifically,
this
first
illustrates
conceptual
model
interaction
water
use,
emissions
theoretically,
then
examines
dynamics
urbanisation
ecological
transition
of
BTH
region.
Furthermore,
empirical
analysis
was
conducted
taking
Beijing
city
as
case
area
to
explore
its
decoupling
with
socio‐economic
Results
show
significantly
increased
population
scale,
exerting
substantial
pressure
on
resources,
supply
environment.
The
reveals
significant
positive
between
consumption,
electricity
Beijing,
inverted
U‐shaped
parabolic
relationship
GDP
population.
is
expected
decouple
growth
from
after
2030
2037,
reducing
sustaining
growth.
To
achieve
development,
it
recommended
that
accelerate
industrial
transformation,
enhance
efficiency,
develop
clean
improve
power
system
efficiency.
paper
provides
theoretical
foundation
practical
insights
decision‐making
facilitates
Agricultural Water Management,
Journal Year:
2024,
Volume and Issue:
295, P. 108776 - 108776
Published: March 21, 2024
Water
is
a
stabilizer
for
production
and
life
in
the
arid
areas.
According
to
research
shared
by
Pacific
Institute
The
Guardian,
there
were
228
incidents
of
water
conflict
globally
2022.
Therefore,
comprehensive
measures
are
necessary
achieve
regional
security.
This
objective
can
be
achieved
application
interdisciplinary
professional
approaches
through
establishing
dynamic
equilibrium
different
consumers,
trade-offs
synergies
allocation
between
them.
A
multi-objective
optimization
model
proposed
managing
water-agriculture-energy-environment
(WAEE)
nexus
water-scarce
Real
integer-encoded
evolutionary
algorithms
(EMCMO)
applied
solving
management
models.
Multiple
objectives,
such
as
maximization
economic
benefits
from
agriculture
hydropower
generation,
minimization
ecological
shortages
local
plants,
environmental
risks
influenced
land
use
food
supply,
defined
model.
was
Yanqi
Basin,
an
important
energy
producer
Xinjiang
province,
Northwest
China.
results
indicated
that
(1)
four-dimensional
Pareto
solution
set
has
advantage
presenting
WAEE
nexus,
highlighting
high-value
crops,
surface
water,
groundwater,
demand,
generation
total
nitrogen
phosphorus
loading
(TNP);
(2)
An
excessive
increase
agricultural
economy
will
TNP
non-point
source
pollution;
(3)
Optimization
WAFE
ecosystem
restoration.
wet
year,
reduced
0.20%,
13.19%
while
increasing
58.33%,
3.98%;
normal
6.62%,
46.43%,
0.79%;
dry
17.19%,
9.72%,
16.18%
42.86%.
also
apply
other
similar
