Relieving seawater intrusion and soil salinization in coastal sponge cities: An integrated approach for optimizing the rainfall infiltration thresholds
Xu Wang,
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Zhongming Lu,
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Minjun Gao
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et al.
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121167 - 121167
Published: Feb. 1, 2025
Language: Английский
Collaborative management measures of subsurface drainage and bio-organic fertilizer application for coastal sunflower (Helianthus annuus L.) based on TOPSIS entropy weight method
Qinyuan Zhu,
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Jingnan Chen,
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Huang Rui
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et al.
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(4), P. e0318571 - e0318571
Published: April 9, 2025
Soil
salinization
has
become
a
global
resource
and
ecological
issue,
sunflower
planting
had
good
improvement
effect
on
saline-alkali
land.
The
study
explores
the
collaborative
management
measures
of
subsurface
drainage
bio-organic
fertilization
with
high-yield,
high-quality,
environmentally
friendly
sunflowers
through
experiments.
We
designed
three
pipe
spacings
(10,
15,
20
m)
six
methods
combined
application
organic
fertilizer
(organic
nitrogen
100%,
75%
+
inorganic
25%,
each
50%,
25%
75%,
100%
nitrogen,
no
treatment).
Nine
evaluation
indexes
were
selected
for
four
aspects
yield
increase,
quality
improvement,
soil
emission
reduction,
an
index
system
was
constructed.
In
model,
TOPSIS
entropy
weight
method
calculated
to
compare
select
most
suitable
growth
in
results
showed
that
best
treatment
spacing
10
m.
Under
this
treatment,
relative
progress
reached
0.574,
yield,
oleic
acid
content,
matter
salt
reduction
efficiency,
N
2
O
emissions
2.93
t/ha,
21.73%,
2.21%,
37.62%,
9.86
kg/ha,
respectively.
Language: Английский
Effect of mulching and organic manure on maize yield, water, and nitrogen use efficiency in the Loess Plateau of China
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e18644 - e18644
Published: Dec. 3, 2024
Current
agricultural
practices
prioritize
intensive
food
production,
often
at
the
expense
of
environmental
sustainability.
This
approach
results
in
greenhouse
gas
emissions
and
groundwater
pollution
due
to
over-fertilization.
In
contrast,
organic
agriculture
promotes
a
more
efficient
use
non-renewable
energy,
improves
soil
quality,
reduces
ecological
damage.
However,
effects
mulching
manure
on
maize
yield,
water
efficiency
(WUE),
nitrogen
(NUE)
China’s
Loess
Plateau
have
not
been
sufficiently
researched.
2017
2018,
an
experiment
utilizing
randomized
complete
block
design
with
two
factors
(two
levels
×
three
application
rates)
was
conducted.
The
content
upper
layer
found
be
12.6%
19.4%
higher
than
that
subsoil
layer.
Across
all
depths
years,
nitrate-N
mulched
treatments
10%
31.8%
greater
non-mulched
varying
rates.
Additionally,
resulted
increase
grain
yield
9.4%
8.9%
2018
compared
treatments.
A
significant
interaction
observed
between
rate
concerning
WUE,
alongside
negative
correlation
WUE
NUE.
These
findings
suggest
270
kg
N
ha
−1
sheep
conjunction
is
highly
recommended
practice
for
Plateau,
thereby
supporting
sustainable
strategies.
Language: Английский