With
the
development
of
economy,
contradiction
between
population,
resources,
and
environment
has
become
more
prominent.
How
to
make
full
use
limited
cultivated
land
resources
increase
food
production
while
reducing
damage
is
an
important
issue
facing
agricultural
production.
Maize
plays
essential
role
in
ensuring
global
security.
Planting
density
a
key
agronomic
factor
affecting
maize
yield.
Soil
organic
matter
(SOM)
indicator
soil
fertility.
However,
it
unknown
whether
there
are
different
optimal
planting
densities
under
SOM
contents
optimizing
based
on
further
improves
grain
yield
resource
efficiency.
Therefore,
this
study
aims
investigate
influence
yield,
determine
relationship
(AOPD),
compare
economic
benefits,
efficiency
sowing
at
uniform
conventional
(SUD)
versus
optimized
(SOD).
The
results
showed
that
AOPD
its
corresponding
increased
linearly
with
SOM.
Compared
SUD,
two
experimental
sites
SOD
by
2.2%
5.4%,
respectively,
benefits
0.4%
4.6%,
respectively.
average
energy
efficiency,
mass
productivity,
productivity
were
all
higher
than
those
SUD.
above
demonstrated
theoretically
feasible
optimize
spatial
heterogeneity
potential
sustainable
method
can
fully
utilize
benefits.
Farming System,
Год журнала:
2024,
Номер
2(2), С. 100087 - 100087
Опубликована: Фев. 29, 2024
Water
scarcity
coupled
with
reduced
nutrient-use
efficiency
(NUE)
is
challenging
the
sustainability
of
wheat
production
in
North-Western
Plains
India.
Suitable
soil
tillage
practices,
water,
and
nutrient
management
are
thus
essential
to
harvest
high
yields
on
a
long-term
basis.
Thus,
fixed-plot
experiment
was
set
continued
for
three
years
assess
main
interaction
effects
tillage,
irrigation,
fertilizers
water-use
(WUE)
yield.
Zero-till
flat
bed
(ZTFB)
conventional
till-raised
(CTRB)
condensed
irrigation
water
requirement
by
1163–1218
m3
ha−1
698–762
ha−1,
respectively,
compared
till-flat
(CTFB)
without
affecting
during
2016–2019.
Apart
from
saving
CTRB
enhanced
grain
turn
over
8.12–31.5%,
biomass
3.47–34.1%,
WUE
27.0–30.9%
productivity
(IWP)
55.2–57.5%
CTFB.
Likewise,
recorded
4.4–10.1%
greater
photosynthetically
active
radiation
(PAR)
interception
CTFB
ZTFB
study
years.
had
highest
moisture
level
(11.2%–22.5%)
0–0.3
m
layer.
Applying
at
25%
depletion
available
(DASM)
100%
recommended
rates
nutrients
(RRN)
resulted
significantly
lower
levels
Further,
treatment
combination
or
+
DASM
+100%
RRN
more
productive,
registering
significant
enhancements
yields,
all
other
fertilizer
levels.
The
concludes
that
application
under
synergic
attain
higher
crop
against
individual
these
agronomic
variables.
Water,
Год журнала:
2025,
Номер
17(7), С. 1040 - 1040
Опубликована: Апрель 1, 2025
This
study
focuses
on
the
Yellow
River
Basin,
a
key
economic
region
spanning
nine
provinces
in
China,
and
explores
complex
interactions
within
water–food–energy
systems.
Based
theoretical
framework
of
coupled
coordination
system,
an
indicator
system
is
developed
to
assess
these
Using
ArcGIS,
identifies
spatiotemporal
characteristics
coupling
systems
Basin.
Additionally,
panel
data
model
employed
analyze
driving
mechanisms
optimization
pathways
for
enhancing
region.
The
results
reveal
that
(1)
degree
between
Basin
varies
significantly
across
space.
(2)
Overall,
relatively
low
exhibits
clustered
pattern.
(3)
Research
development
(R&D)
intensity
significant
factor
influencing
Sustainability,
Год журнала:
2025,
Номер
17(8), С. 3566 - 3566
Опубликована: Апрель 15, 2025
Driven
by
global
population
growth
and
resource
shortages,
the
coupled
coordinated
development
of
“Water-Carbon-Ecology”
(W-C-E)
nexus
has
emerged
as
a
crucial
factor
for
sustainable
societal
development.
This
study
constructs
multidimensional
evaluation
model
W-C-E
system
in
eleven
provinces
municipalities
Yangtze
River
Economic
Belt
(YEB),
encompassing
richness
individual
systems,
coordination
between
dual
robustness
tertiary
system.
We
propose
“W-C-E
Nexus
Index”
(WCENI)
to
analyze
coupling
levels
among
systems
these
regions
from
bottom-up
perspective.
Utilizing
obstacle
degree
geographical
detector
model,
we
explore
impact
key
indicators
on
The
findings
reveal
following:
(1)
index
three
subsystems
have
increased
significantly,
while
varies
widely
YEB.
(2)
During
period,
WCENI
YEB
rose
0.351
0.391,
indicating
an
overall
upward
trend
subsystems.
Jiangsu
recorded
highest
average
value
0.445,
topping
list
regions.
(3)
interaction
pairs
driving
factors
exceeds
influence
any
single
factor,
with
per
capita
water
consumption
emerging
primary
driver
YEB,
12.05%.
These
provide
theoretical
basis
regional
management
Sustainability,
Год журнала:
2025,
Номер
17(10), С. 4428 - 4428
Опубликована: Май 13, 2025
This
study
explores
global
research
trends,
regional
challenges,
and
methodological
approaches
in
food–water–energy
(FWE)
nexus
within
agricultural
contexts
from
2000
to
2024.
A
bibliometric
analysis
of
929
articles
indexed
the
Web
Science
Scopus
was
conducted.
sharp
increase
output
has
been
observed
after
2014,
with
United
States
China
identified
as
dominant
contributors.
European
countries
have
recognized
key
connectors
international
networks.
Thematic
evolution
indicates
a
transition
foundational
concepts
more
advanced
approaches,
incorporating
machine
learning,
optimization
techniques,
circular
economy
strategies.
Regional
disparities
capacity
thematic
focus
highlighted,
influenced
by
differing
resource
constraints
socio-economic
conditions.
The
energy
dimension
consistently
cross-cutting
challenge,
primarily
due
increasing
demands
agriculture.
Methodological
preferences
found
vary
across
regions:
scenario
is
emphasized
North
America,
models
are
commonly
applied
East
Asia,
stakeholder-centered
prevalent
developing
regions.
These
findings
suggest
need
for
enhanced
collaboration,
greater
diversity,
stronger
engagement
underrepresented
regions,
particularly
South
Southeast
Asia
Africa.
Strengthening
FWE
framework
through
inclusive
adaptive
strategies
essential
promoting
sustainable
management
under
pressures.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Май 13, 2025
AbstractAims
Water
deficiency
and
low
water
use
efficiency
severely
constrain
wheat
yield
in
dryland
regions.
This
study
aimed
to
identify
suitable
tillage
straw
management
practices
improve
efficiency,
grain
of
the
winter
wheat-summer
bean
double
cropping
system.
Methods
A
long-term
field
experiment
(onset
October
2009)
four
treatments—plowing
with
no
mulching
(PTNS),
plowing
(PTSM),
rotary
(RTNS),
(RTSM),
was
conducted
at
a
typical
China.
The
component,
dry
matter
accumulation
translocation
characteristics,
were
investigated
from
2014
2018.
Results
significantly
increased
spike
number,
grains
per
spike,
1000-grain
weight,
harvest
index,
ultimately
resulting
increases
10.5%
under
PT
20.5%
RT.
Tillage
affected
characteristics
except
for
that
had
significant
effect
on
pre-anthesis
translocation.
Straw
respectively
consumption
by
7.4%
10.4%,
3.1%
9.6%,
compared
treatments
RT
without
mulching.
also
enhanced
pre-sowing
storage
capacity,
water-saving
unit
yield.
Conclusions
TOPSIS
confirmed
RTSM's
superiority
through
straw-induced
improvements
nutrient
productivity.
Rotary
optimizes
matter/water
yield,
recommended
systems.
Agricultural Systems,
Год журнала:
2024,
Номер
219, С. 104040 - 104040
Опубликована: Июнь 24, 2024
Agricultural
systems
involve
intricate
interdependencies
among
water,
energy,
and
food.
Increasing
understanding
of
these
linkages,
along
with
implications
for
greenhouse
gas
(GHG)
emissions
developing
new
assessment
approaches
are
critical
achieving
key
sustainability
goals.
1)
Evaluation
the
impacts
tillage,
irrigation
residue
management
practices
on
water
energy
consumption,
GHG
emission
in
cultivation
irrigated
wheat
rapeseed,
2)
Developing
a
novel
Water-Energy-Food-Greenhouse
(WEFG)
nexus
index
to
provide
holistic
linkages
food,
agriculture,
3)
Assessing
rapeseed
under
different
methods
applying
WEFG
index.
This
study
formulated
eight
indicators
CO2-eq
(CO2
equivalent)
emission,
mass
productivity,
economic
productivity
evaluate
two
field
practices:
furrow
conventional
tillage
(FICT),
center
pivot
no-tillage
(CPNT),
within
semi-arid
region
northeastern
Iran.
Irrigation
both
was
done
by
deficit
approach.
CPNT
resulted
average
46%
53%
consumption
reductions
from
diesel
usage,
respectively,
compared
FICT.
The
mean
26%
lower
than
that
recorded
Furthermore,
score
0.91
0.73,
out
1,
0.18
0.12
These
scores
suggest
approach
is
more
appropriate
strategy
FICT,
as
it
effectively
reduced
while
aligning
better
long-term
environmental
aims.
applies
accurate
emission-based
introduce
index,
uses
evaluation
at
farm
level
reduce
uncertainties
large-scale
studies.
proposed
methodology
assessing
multiple
aspects
can
change
previous
perceptions
about
agricultural
other
regions
confronting
resources
crises.
