Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Ноя. 15, 2023
Abstract
Forest
soils
are
important
components
of
forest
ecosystems,
and
soil
quality
assessment
as
a
decision-making
tool
to
understand
maintain
productivity
is
essential.
Various
methods
have
been
developed,
which
occasionally
generated
inconsistent
results
between
types.
We
assessed
the
five
communities
(herb,
shrub,
Quercus
acutissima
,
Pinus
thunbergii
Q.
–
P.
mixed
plantation)
using
two
common
dry
barren
mountains
in
Yimeng
Mountain
area,
China.
Sixteen
physical,
chemical
biological
properties
were
analysed.
The
index
was
determined
established
minimum
data
set
based
on
selection
principal
component
analysis
Pearson
analysis.
Silt,
total
phosphorus
(P),
nitrogen
(N),
L-leucine
aminopeptidase,
acid
phosphatase
vector
length
identified
most
representative
indicators
for
set.
Linear
regression
showed
that
can
adequately
represent
quantify
impact
different
(
P
<
0.001).
linear
non-linear
higher
(0.59
0.54),
plantation
(0.41
0.45)
lower,
similar
herb
community
(0.37
0.44).
Soil
mostly
affected
by
extracellular
enzyme
activities
communities,
reasons
low
plantations
organic
carbon
(C)
C.
Overall,
we
demonstrate
method
could
be
useful
indicate
systems.
Mixed
improve
increasing
C,
crucial
ecosystem
balance.
Agronomy,
Год журнала:
2024,
Номер
14(7), С. 1552 - 1552
Опубликована: Июль 17, 2024
The
key
role
of
soil
quality
improvement
in
achieving
sustainable
agricultural
development
based
on
highly
intensive
use
farmland
is
increasingly
being
recognized,
as
the
ponderance
suitable
evaluation
quality.
overarching
goal
this
study
was
to
determine
an
accurate
assessment
framework
by
comparison
scoring
function
(linear
and
non-linear)
integration
method
(area
weighted
additive),
which
integrally
evaluates
eleven-year
field
fertilization
experiment
(including
CK,
no
fertilizer;
CF,
conventional
fertilization;
SF,
formulated
SFO,
SF
with
organic
fertilizer).
Thirty-three
properties,
including
eighteen
physiochemical-related
fifteen
biological-related
associated
functions
were
measured
potential
indicators,
multifunctionality
(SMF)
applied
validate
indices
(SQIs).
Principal
component
analysis
relationship
used
indicators
sensitive
management
a
minimum
data
set
(MDS).
results
showed
that
electrical
conductivity,
large
macroaggregate-associated
total
nitrogen,
small
carbon,
carbon
fixation,
enzyme
activities
phenol
oxidase
cellulase
chosen
MDS.
All
SQIs
significantly
correlated
SMF
(p
<
0.05).
strategies
affected
most
different
ways,
index
developed
using
non-linear
additive
(SQI-NL)
had
best
sensibility
discriminability.
SQI
value
SQI-NL-MDS
higher
following
treatments
than
fertilizer
0.05),
treatment
highest
(0.66).
Soil
long-term
fertilized
suggested
constraints
between
synthetic
are
related
nutrient
cycling
sustain
biological
activity
due
their
contribution
rates
treatment,
provides
insights
into
ways
reduce
gap
can
provide
quantitative
tool
for
from
target
bridging
objectives
field-level
actions.
Land,
Год журнала:
2025,
Номер
14(3), С. 469 - 469
Опубликована: Фев. 24, 2025
In
coastal
saline–alkali
regions,
the
intrusion
of
saline
water
exacerbates
nutrient
depletion
in
plow
layer,
posing
a
significant
challenge
to
agricultural
productivity.
Given
limited
understanding
soil
fertility
these
areas
and
inconsistent
results
among
different
assessment
methods,
this
study
aims
develop
more
accurate
reliable
evaluation
system.
To
achieve
objective,
108
topsoil
samples
were
systematically
collected
from
lands
Jiangsu
Province.
Several
key
indicators,
including
pH,
total
salinity
(TS),
organic
matter
(SOM),
nitrogen
(TN),
phosphorus
(TP),
potassium
(TK),
alkaline-hydrolyzable
(AN),
available
(AP),
(AK),
comprehensively
evaluated.
Four
advanced
namely
principal
component
analysis
indexing–linear
scoring
(SQIPCAL),
indexing–nonlinear
(SQIPCANL),
modified
Nemerow–linear
(SQINemeroL),
Nemerow
(SQINemeroNL),
employed
conduct
multi-dimensional
examination
fertility.
Additionally,
(PCA)
was
utilized
establish
minimum
data
set
(MDS),
which
then
compared
with
(TDS)
for
precise
Linear
methods
(SQIPCAL
SQINemeroL)
had
higher
semi-variogram
R2
values
nonlinear
methods.
Moreover,
under
SQIPCAL
SQINemeroL
strong
correlation
observed
between
TDS
MDS,
reaching
0.63
0.65,
respectively.
Based
on
findings,
method,
integrated
is
recommended
as
an
effective
approach
assessments
regions
This
research
not
only
enriches
theoretical
such
but
also
provides
practical
insights
sustainable
management.
