Land Degradation and Development,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
ABSTRACT
Drylands
present
a
significant
challenge
to
global
agricultural
production,
especially
in
dryland
saline‐sodic
soils,
which
are
marked
by
poor
structure
and
low
infiltrability.
Enhancing
the
infiltration
capacity
of
these
soils
is
crucial
for
enhancing
soil
health
optimizing
land‐use
efficiency.
However,
few
studies
have
been
conducted
improve
physical
enhance
water
storage
through
waste.
This
study
aims
evaluate
effectiveness
cattle
manure
amendments
improving
related
properties
soils.
Our
results
show
that
mixing
into
topsoil
significantly
enhances
rates,
with
initial
stable
rates
increasing
on
average
64.5%
52.1%,
respectively,
over
three‐year
period.
These
improvements
associated
reduction
bulk
density
compressive
strength
6.9%
101.9%,
as
well
increases
total
porosity,
non‐capillary
organic
matter
6.6%,
24.7%,
8.7%,
respectively.
In
contrast,
mulching
has
no
impact
properties.
Structural
equation
models
reveal
content,
porosity
primary
influencing
whereas
strength,
key
factors
affecting
rate.
findings
demonstrated
incorporating
can
effectively
properties,
infiltrability,
content
highlight
potential
low‐infiltrability
offering
theoretical
basis
addressing
this
issue
semiarid
regions.
Land Degradation and Development,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
ABSTRACT
The
magnetic
susceptibility
(MS,
including
low‐frequency
mass‐specific
χ
lf
and
percent
of
frequency‐dependent
fd
%)
soil
is
crucial
for
indicating
pedogenic
processes
indirectly
affects
fertility.
Alternating
drought
waterlogging
significantly
decreased
the
MS
(
soil.
In
western
Songnen
Plain
China,
converting
soda
saline–alkaline
wastelands
into
paddy
fields
causes
continuous
drought–waterlogging
alternation
this
study,
we
aimed
to
reveal
environmental
implications
throughout
conversion
develop
an
identification
method
soils
based
on
relationship
between
indicators.
Topsoil
samples
(0–20
cm)
were
collected
from
a
field
wasteland
in
Niuxintaobao
County,
Da'an
City,
Jilin
Province,
China.
Based
indicators
(e.g.,
total
dissolved
solids
TDS,
exchangeable
sodium
saturation
percentage
ESP,
cation
exchange
capacity
CEC,
ENa)
soil,
correlation
analysis
structural
equation
modeling
using
maximum
likelihood
estimation
(ML‐SEM)
conducted.
results
revealed
that
%
lower
than
those
wasteland.
It's
due
long‐term
human
disturbances
like
irrigation,
fertilization,
cultivation.
Soda
are
inherently
less
other
types.
Under
waterlogged
reducing
conditions,
ferrous
minerals
destroyed,
causing
further
attenuation
during
Hydragric
Anthrosols'
evolution.
Generally,
black
ranges
10
<
100
(×
−8
m
3
kg
−1
)
2%
10%.
contrast,
research
shows
14
×10
(Mean
±
SD
=
9.26
1.56)
4%
2.46
1.05)
suggested
be
diagnostic
characteristics
surface
layer
Northeast
ML‐SEM
indicate
main
factors
influencing
ENa,
Cl
−
,
Na
+
SO
4
2−
with
net
effects
−0.990,
0.688,
−0.3502,
−0.3000,
0.2331,
0.1746.
ESP
inhibited
soils,
while
Na,
contents
promoted
it.
showed
no
any
these
variations
can
fluctuations
sum,
serve
as
alternative
index
describing
changes
salinization
levels
has
potential
assessment.
Communications in Soil Science and Plant Analysis,
Год журнала:
2024,
Номер
55(17), С. 2651 - 2665
Опубликована: Июль 1, 2024
A
large
amount
of
agricultural
waste
is
produced
annually
in
China,
and
these
wastes
include
crop
residues
the
manure
generated
from
poultry
livestock
farming.
But
there
still
a
considerable
portion
that
not
recycled
disposed
or
directly
burned.
Therefore,
if
can
be
reasonably
utilized,
it
will
generate
significant
socio-economic
environmental
benefits.
Soil
salinization
has
become
one
main
threats
to
soil
health,
considered
an
effective
tool
for
improving
saline
alkali
land
due
its
unique
properties.
Utilizing
improve
advantages
such
as
wide
material
sources,
low
cost,
risks.
This
article
reviews
effectiveness
potential
physical,
chemical,
biological
mechanisms
health
soils.
Agricultural
mainly
used
through
direct
return
field,
burial
salt
barriers,
pyrolysis
carbonization
into
biochar,
composting,
which
play
positive
role
aspects.
Finally,
problems
existing
improvement
with
were
discussed,
future
research
directions
hotspots
this
field
proposed.
It
believed
ecological
service
functions
key
sustainability.
provide
theoretical
basis
study
land,
help
further
explore
resource
utilization
pathways
sustainable
agriculture.
Agronomy,
Год журнала:
2024,
Номер
15(1), С. 56 - 56
Опубликована: Дек. 28, 2024
Coastal
mudflats
are
characterized
by
high
salinity
and
alkalinity,
along
with
low
mineral
nutrient
availability,
making
it
challenging
to
achieve
biomass
or
effective
yields
when
directly
cultivating
food
fodder
crops.
Exogenous
complex
saline
soil
amendments
can
enhance
forage
production,
but
their
effects
on
reduction
activation
remain
unclear.
This
study
used
pot
experiments
laboratory
analyses
investigate
these
effects.
A
0.3%
saline–alkali
was
treated
a
combination
of
organic
acids
(fulvic
acid
citric
acid),
bio-based
materials
(cow
dung
pine
needles),
beneficial
microbial
mixtures
(Priestia
megaterium
+
Trichoderma
harzianum,
Bacillus
subtilis
Aspergillus
niger,
pumilus
Paecilomyces
lilacinus).
The
bio-modifier
significantly
alleviated
stress
in
sweet
sorghum,
reducing
salinity,
increasing
levels,
enhancing
root
vigor
photosynthesis,
improving
plant
morphology,
resulting
higher
yields.
Among
the
factors
tested,
had
most
pronounced
effect.
Citric
acid,
needles,
Priestia
megaterium,
harzianum
enhanced
sorghum
growth
during
seedling
stage,
whereas
fulvic
pumilus,
lilacinus
were
more
elongation
stage.
Land Degradation and Development,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
ABSTRACT
Drylands
present
a
significant
challenge
to
global
agricultural
production,
especially
in
dryland
saline‐sodic
soils,
which
are
marked
by
poor
structure
and
low
infiltrability.
Enhancing
the
infiltration
capacity
of
these
soils
is
crucial
for
enhancing
soil
health
optimizing
land‐use
efficiency.
However,
few
studies
have
been
conducted
improve
physical
enhance
water
storage
through
waste.
This
study
aims
evaluate
effectiveness
cattle
manure
amendments
improving
related
properties
soils.
Our
results
show
that
mixing
into
topsoil
significantly
enhances
rates,
with
initial
stable
rates
increasing
on
average
64.5%
52.1%,
respectively,
over
three‐year
period.
These
improvements
associated
reduction
bulk
density
compressive
strength
6.9%
101.9%,
as
well
increases
total
porosity,
non‐capillary
organic
matter
6.6%,
24.7%,
8.7%,
respectively.
In
contrast,
mulching
has
no
impact
properties.
Structural
equation
models
reveal
content,
porosity
primary
influencing
whereas
strength,
key
factors
affecting
rate.
findings
demonstrated
incorporating
can
effectively
properties,
infiltrability,
content
highlight
potential
low‐infiltrability
offering
theoretical
basis
addressing
this
issue
semiarid
regions.
