Sustainability,
Год журнала:
2024,
Номер
16(24), С. 11120 - 11120
Опубликована: Дек. 18, 2024
The
issue
of
soil
contamination
by
heavy
metals
(HMs)
has
attracted
extensive
attention.
In
the
present
study,
effects
four
remediation
measures
combined
with
rice
intercropping
on
quality
soils
were
evaluated
in
a
mildly
HM-contaminated
paddy
field.
results
showed
that
better
comprehensive
found
system
high
and
low
Cd-tolerant
than
monoculture
system.
Both
foliar
spraying
sodium
selenite
inoculation
Pseudomonas
TCd-1
significantly
reduced
Nemerow
pollution
index
(NCPI)
soils.
application
biochar
lime
increased
fertility
index.
Among
all
treatments,
30
t∙hm−2
3600
kg∙hm−2
improved
most.
lowest
single-factor
indices
(SFPIs)
Cd,
Cu,
Zn,
Ni
Pb
NCPI
observed
treatment
at
45
mg∙L−1,
showing
greatest
reduction
HMs.
1200
mg∙L−1
effectively
quality.
Overall,
fields
dramatically
influenced
cleaner
production
is
great
significance
to
maintenance
food
security.
Land Degradation and Development,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
ABSTRACT
Mining
activities
cause
severe
degradation
of
soil
structure
and
nutrient
loss,
making
land
reclamation
a
crucial
measure
for
restoring
ecosystem
functions
in
mining
areas.
Investigating
the
key
indicators
reconstructed
quality
their
succession
patterns
enables
robust
assessment
measures,
providing
scientific
basis
optimising
strategies
ecological
management
regions.
Existing
studies
on
have
primarily
focused
general
evaluations,
with
limited
attention
given
to
specific
challenges
associated
soils
reclaimed
underground
coal
mine
This
study
examines
Suancigou
Inner
Mongolia,
China.
Ten
physicochemical
properties
were
selected
as
potential
evaluation
indicators.
Through
correlation
analysis
principal
component
analysis,
minimum
data
set
(MDS)
was
identified
assessing
lands,
index
(SQI)
subsequently
constructed.
The
findings
revealed
that:
(1)
different
ages
exhibit
significant
discrepancies
at
0‐10
cm
10‐20
depths
compared
original
landscape.
Despite
variations
correlations
among
across
depths,
total
nitrogen
content
(TNC),
organic
matter
(SOM),
hydrolysable
available
phosphorus
consistently
display
strong
synergistic
relationships.
(2)
overall
0‐20
is
influenced
by
pH,
sand
(SSD),
silt
(SST)
TNC.
Specifically,
MDS
layer
includes
bulk
density,
SSD,
SST
TNC,
whereas
layer,
comprises
SOM.
(3)
comprehensive
followed
order:
OL
>
R
‐7a
‐11a
‐3a.
By
quantifying
interrelationships
attributes
this
streamlines
system,
offering
theoretical
foundations
technical
support
evaluating
Plants,
Год журнала:
2024,
Номер
13(10), С. 1357 - 1357
Опубликована: Май 14, 2024
Soil
quality
is
an
indicator
of
the
ability
to
ensure
ecological
security
and
sustainable
soil
usage.
The
effects
long-term
straw
incorporation
different
irrigation
regimes
on
yield
paddy
fields
in
cold
regions
remain
unclear.
This
study
established
four
treatments:
controlled
+
continuous
for
3
years
(C3),
7
(C7),
flooded
(F3),
(F7).
Analysis
was
conducted
impact
various
physicochemical
characteristics
soil.
index
(SQI)
rice
computed
using
separate
datasets
each
treatment.
nitrate
nitrogen,
available
phosphorus,
organic
carbon,
matter
contents
C7
were
93.51%,
5.80%,
8.90%,
8.26%
higher
compared
C3,
respectively.
In
addition,
treatment
5.18%,
4.89%,
10.32%
than
those
F3,
F7,
validity
minimum
data
set
(MDS)
verified
by
correlation,
Ef
ER,
which
indicated
that
MDS
all
treatments
able
provide
a
valid
evaluation
quality.
based
SQI
11.05%,
11.97%,
27.71%
Overall,
combined
with
increases
regions.
provides
thorough
assessment
concerning
preserve
food
sustainability
agricultural
output.
Additionally,
it
offers
basis
diagnosis
Northeast
China.
Agronomy,
Год журнала:
2024,
Номер
14(5), С. 882 - 882
Опубликована: Апрель 23, 2024
Establishing
a
suitable
and
useful
soil
quality
index
(SQI)
is
the
key
to
accurately
evaluating
changes
in
(SQ)
under
different
land
use
types.
In
present
study,
SQI
using
minimum
data
set
(MDS)
with
two
scoring
methods
(linear
method
nonlinear
method)
additive
models
(simple
model
same
weighting
value
weighted
significant
value)
was
established
compare
SQ
uses
Longtan
valley.
Soil
samples
were
collected
one
dryland
(DRYL),
paddy
(PADD),
orchard
(GRA),
natural
forest
(FORE),
13
properties
measured.
The
four
types
had
type
similar
environmental
conditions.
Land
effects
on
measured
12
properties.
top
principal
components
Principal
Component
Analysis
chosen,
their
cumulative
variance
more
than
90%.
indicators
of
labile
carbon,
C/N
ratio,
microaggregates
chosen
as
members
MDS
this
study.
Significant
(p
<
0.001)
positive
correlations
among
establishing
SQIs
found.
values
sensitive
ranged
from
47.17%
82.12%
for
SQIs,
(SQI-NLW)
highest
values.
Among
types,
change
trends,
average
FORE
(0.73)
PADD
(0.68)
significantly
higher
those
GRA
(0.54)
DRYL
(0.43).
These
results
indicated
that
SQI-NLW
an
effective
precise
tool
assess
regions,
sustainable
soils
karst
regions.
Land Degradation and Development,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 30, 2025
ABSTRACT
Coal
mining
can
lead
to
coal
spontaneous
combustion,
especially
in
arid
and
semi‐arid
areas,
soil
suffer
varying
degrees
of
depletion
degradation,
which
be
harmful
the
regional
eco‐environment.
However,
characteristics
degradation
are
not
yet
clear
fire
there
fewer
quality
assessments.
In
this
study,
we
studied
ions,
nutrient
their
stoichiometric
ratios
at
different
sampling
points
thermal
effects.
The
principal
component
analysis
membership
function
were
used
calculate
index
(SQI)
comprehensively
evaluate
impact
effects
on
(SQ).
results
showed
that
cations
dominated
by
Na
+
anions
Cl
−
SO
4
2−
,
higher
temperature,
concentration
.
concentrations
tended
increase
with
increasing
while
opposite
was
true
for
K
Soil
organic
carbon
(SOC)
increased
Total
nitrogen
(N)
content
lower
when
heated
40°C
5
d,
N:P
ratio
8.99.
degree
time
only
than
70°C
10
20
indicated
SQ
initially
affected
temperature.
using
Sikeshu
(SKS)
area
(SQI
=
0.183)
Wugong
(WG)
0.281).
homemade
heating
experiment,
SQI
raw
soil.
SQIs
consistent
d
indicating
effect
low
temperature
a
long
high
short
equivalent.
study
provide
theoretical
basis
improvement
ecological
restoration
areas.
Forests,
Год журнала:
2023,
Номер
14(7), С. 1425 - 1425
Опубликована: Июль 12, 2023
The
driving
factors
affecting
soil
quality
were
identified
to
evaluate
the
effect
of
vegetation
on
in
coal
mine
reclamation
areas
with
various
restoration
durations.
This
study
used
Hippophae
rhamnoides
subsp.sinensis
Rousi
different
durations
(3,
4,
5,
6,
and
7
years)
abandoned
land
area
Juxinlong
Ordos
as
research
subject.
Artificial
grasslands
selected
study’s
controls.
A
evaluation
model
was
constructed
assess
area.
structural
equation
thoroughly
analyze
findings
show
that:
(1)
Reclamation
duration
significantly
affected
physicochemical
characteristics
soil.
As
increased,
nutrients
such
organic
carbon
accumulated
while
bulk
density
index
(BD)
decreased.
(2)
forest
China
highest
after
6
years
reclamation.
lowest
4
differed
from
that
(p
<
0.05).
(SQI)
6a
(years)
increased
by
67.44%
compared
4a.
(3)
By
constructing
a
model,
it
found
physical
indicators
(saturated
water
content
silt)
main
drivers
quality.
SQI
had
strong
interaction
matter
(OM)
this
will
serve
important
guidelines
for
future
quantitative
following
management
during
ecological
process.
