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.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Фев. 10, 2025
Micro-/nanobubble
oxygenation
irrigation,
as
a
novel
irrigation
technique,
has
been
widely
utilized
to
enhance
soil
phosphorus
availability
and
maize
yield.
Nevertheless,
currently,
most
of
the
studies
remain
unclear
about
precise
mechanism
through
which
micro-/nanobubble
improves
Therefore,
we
established
two
methods,
conventional
(CF)
(MB),
investigate
combined
effects
on
enzyme
activity,
microbial
communities,
in
rhizosphere
maize.The
results
showed
that
compared
CF
treatment,
MB
treatment
significantly
increased
available
content
alkaline
phosphatase
activity
by
21.3%
15.4%,
respectively.
Furthermore,
influenced
bacterial
diversity
but
did
not
considerably
affect
fungal
diversity.
Specifically,
regulated
community
structure
altering
relative
abundances
phylum
Firmicutes
phyla
Mucoromycota,
Chytridiomycota,
Basidiomycota.
In
addition,
reduced
complexity
network
while
increasing
interaction
density
among
species.
Meanwhile,
enhanced
network.
Structural
equation
modeling
indicated
primarily
promoted
regulating
diversity,
thereby
enhancing
availability.
conclusion,
application
enhances
phosphatasein
modulating
within
rhizosphere,
facilitating
maize.
Applied Sciences,
Год журнала:
2025,
Номер
15(9), С. 4638 - 4638
Опубликована: Апрель 22, 2025
In
western
Jilin
Province,
China,
the
presence
of
soda
saline–alkali
soil
poses
a
significant
threat
to
raising
rice
seedlings
due
its
harsh
properties.
The
scarcity
suitable
seedling-raising
resources
has
become
increasingly
pronounced.
A
short-term
soil-improvement
experiment
was
conducted
using
original
sourced
from
rice-growing
region
followed
by
rice-seedling-raising
test
in
improved
identify
an
effective
strategy.
Four
distinct
treatments
were
established:
no
amendment
(JCK);
gypsum
and
straw
(JCW);
gypsum,
straw,
sulfuric
acid
(JCWH);
chemical
fertilizer
(JCWF).
effects
these
on
physicochemical
properties
(pH,
electrical
conductivity,
exchangeable
sodium,
total
alkalinity)
evaluated,
as
well
organic
carbon
(SOC)
components
including
humic
(HAC),
fulvic
(FAC).
results
indicated
that,
compared
control
group,
all
effectively
reduced
average
pH
0.53
0.79
units
decreased
sodium
56.7%
74.8%.
Furthermore,
SOC,
HAC,
FAC
increased
48.3%,
89.4%,
56.0%,
respectively.
Among
treatments,
JCWH
proved
be
most
effective.
After
two
years
improvement,
JCWH-treated
exhibited
highest
dry
weight
plant
height,
surpassing
those
grown
farmer’s
soil.
scheme
utilizing
for
rice-seedling
raising,
following
improvement
treatment
with
corn
(JCWH),
provides
technical
support
solution
issue
faced
seedling
farmers
regions.
Abstract
Soil
salinisation
is
a
major
challenge
to
agricultural
development
and
ecological
security,
which
can
be
alleviated
by
the
application
of
soil
amendments.
Combined
biochar
organic
fertilisers
effectively
improve
properties
mitigate
negative
effect
saline
on
plant
growth
increasing
carbon
(C),
nitrogen
(N),
phosphorus
(P)
content;
however,
their
effects
stoichiometric
characteristics
these
elements
both
further
impacting
are
unclear.
The
current
study
compared
two
rates
(2.5%
5.0%)
bone
(BC),
humic
acid
(HA)
combination
(1:1)
(BH)
olive
seedlings
(
Olea
europaea
L.)
grown
in
coastal
soil.
results
showed
that
BC
HA
at
rate
5%
(BH5.0)
significantly
P
<
0.05)
improved
with
increased
porosity
decreased
sodium
(Na
+
)
content
control,
promoted
biomass
enhancing
leaf
photosynthesis
selective
absorption
K
Ca
2+
.
Furthermore,
positive
combined
were
better
than
those
alone.
Structural
equation
model
amendments
had
total
β
=
0.834),
dynamic
balance
C,
N
plants
direct
0.36).
In
short,
BH
treatment
promote
improving
quality
C-N-P
homeostasis
plants,
single
application.
deepen
our
understanding
mechanism
jointly
environments
provide
guide
for
cultivation
used
as
shelter-forest
cash
crop
large
areas
saline-alkali
land.
Graphical
Land,
Год журнала:
2025,
Номер
14(5), С. 1018 - 1018
Опубликована: Май 7, 2025
Numerous
studies
have
reported
the
importance
of
soil
organic
carbon
(SOC)
in
grassland
ecosystems
and
its
response
to
degradation,
but
effect
biochar
application
on
SOC
pools
degraded
alpine
grasslands
remains
unclear.
Here,
we
set
up
nine
addition
treatments
with
a
combination
three
different
particle
sizes
(0~0.25
mm,
0.25~1
1~2
mm)
additions
(1%,
2%,
4%),
conducted
short-term
observational
experiment
over
7-month
period
non-degraded
(ND),
lightly
(LD),
severely
(SD)
zones
grassland.
The
results
showed
that
mm/2%
mm/4%
increased
storage
LD
SD
by
2.03
kg
m−2
1.19
m−2,
respectively.
decreased
stability
pools,
time.
structural
equation
modeling
(SEM)
indicated
changes
size
would
indirectly
affect
influencing
plant
indicators,
while
electrical
conductivity
(EC)
were
key
factors
grasslands.
These
can
provide
technical
support
theoretical
basis
for
realizing
benign
development
“carbon
neutral”
strategy
arid
areas.
