Agronomy,
Год журнала:
2024,
Номер
14(12), С. 2919 - 2919
Опубликована: Дек. 6, 2024
Microplastics
(MPs)
have
emerged
as
a
significant
pollutant,
threatening
agricultural
ecosystem
sustainability
and
global
food
security.
However,
relatively
few
studies
investigated
biochar
remedial
effects
on
plant
growth
biochemical
properties
in
soils
contaminated
with
MPs.
In
polyethylene
microplastic
(PE-MP)-contaminated
soil,
we
corn
stover
soybean
growth,
soil
nutrient
content,
enzyme
activity,
microbial
biomass
assessed
its
impact
resource
limitations.
The
addition
of
MPs
inhibited
various
forms
across
four
stages.
Conversely,
the
to
improved
some
extent,
where
above-ground
increased
by
5.82%
after
adding
containing
microplastics.
treated
biochar,
nitrate
nitrogen
(N),
available
phosphorus
(P),
potassium
(K)
20.1,
27.4,
57.2%,
respectively,
while
significantly
decreased
128.3
mg
kg−1
compared
MP-only
treatment.
PE-MPs
alone
reduced
carbon
(C),
N,
P
activities,
well
biomass,
β-glucosidase,
leucine
aminopeptidase,
acid
phosphatase
activities
decreasing
29.9,
27.8,
25.5%,
respectively.
Interestingly,
alleviated
these
detrimental
effects.
Microbial
C,
up
56.0,
22.5,
96.6%,
following
Analysis
vector
lengths,
angles,
scatter
plots
indicated
that
presence
N
availability.
Overall,
development,
this
effect
extent.
Furthermore,
partial
least-squares
path
modeling
revealed
negatively
affected
chemical
properties,
whereas
positively
influenced
activities.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 26, 2024
Layered
fertilization
parameters
affects
crop
root
system
configuration
and
growth
distribution,
which
in
turn
soil
pore
properties
aggregate
structure.
Therefore,
understanding
the
spatial
distribution
of
space
is
helpful
choosing
a
reasonable
ratio
production
practice,
ensures
high
stable
yields
at
same
time
improves
fertilizer
utilization
health.
Albeit
impact
layered
varied
rates
on
characteristics
profile
microscale
level
remains
limited.
This
study
quantifies
impacts
under
rapeseed
using
analysis
X-ray
computed
tomography
(XCT).
A
new
pattern
that
shallow-deep
layer
synchronized
mechanical
sowing
was
using,
rotary
tillage
mixed
shallow
10
cm
side-deep
band
deeper
layer.
It
set
five
ratios
amounts
between
deep
layers
as
0:4
(FD),
1:3
(FL),
2:2
(FM),
3:1
(FH),
4:0
(F0),
with
non-fertilization
(CK)
control
treatment.
The
results
indicated
effectively
improved
rape
conformation
significantly
increased
total
porosity
moisture
content,
reduced
bulk
density
resistance
(P
<
0.05).
Additionally,
closely
related
to
structure
yield.
Notably,
compared
other
treatments,
macroscopic
porosity,
equivalent
diameter,
hydraulic
radius
roundness
FM
treatment
are
improved,
it
yield
quality
rapeseed.
Correlation
showed
were
negatively
correlated
but
positively
macropore
morphology
Our
demonstrate
can
its
effect
depends
good
created
by
ratio,
provided
theoretical
basis
for
high-yield,
efficient,
green,
sustainable
mechanized
direct-sowing
Tire-derived
rubber
crumbs
(RC-MPs),
as
a
new
type
of
microplastic,
pose
harm
to
both
environment
and
human
health.
The
emergence
plastic
an
alarming
pollutant
poses
significant
threat
the
sustainability
agricultural
ecosystems,
worldwide
food
security
This
study
aimed
explore
efficacy
biochar-based
synthetic
community
(SynCom)
in
mitigating
RC-MPs-induced
stress
on
plant
growth,
soil
physicochemical
properties
microbial
communities
peanuts
cultivated
RC-MPs
contaminated
soil.
findings
revealed
that
significantly
reduced
peanut
shoot
dry
weight,
root
vigor,
nodule
quantity,
enzyme
activity,
urease
dehydrogenase
well
available
potassium,
bacterial
abundance
(p
<
0.05).
Moreover,
identified
highly
effective
growth-promoting
rhizobacteria
(PGPR)
from
rhizosphere,
which
were
subsequently
integrated
into
SynCom
immobilized
within
biochar.
Application
increased
biomass,
number,
antioxidant
alongside
enhancing
activity
rhizosphere
Interestingly,
under
high-dose
treatment,
there
was
increase
diversity,
exhibiting
distinct
clustering
patterns.
However,
application
did
not
induce
alterations
this
regard.
In
summary,
investigated
proved
be
potential
amendment
for
deleterious
effects
preserving
functionality.
presents
promising
solution
challenges
posed
by
soil,
offering
novel
avenues
remediation.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Авг. 20, 2024
Microplastics
have
the
capacity
to
accumulate
in
soil
due
their
high
resistance
degradation,
consequently
altering
properties
and
influencing
plant
growth.
This
study
focused
on
assessing
impact
of
various
types
doses
microplastics
beech
seedling
In
our
experiment,
we
used
polypropylene
styrene
granules
with
diameter
4.0
mm
quantities
2.5%
7%.
The
hypothesis
was
that
significantly
affect
seedlings'
nutritional
status
growth
characteristics.
research
analysed
nutrition,
root
morphological
features,
above-ground
growth,
enzymatic
activity
substrate.
Results
confirmed
importance
shaping
young
trees.
Microplastic
type
impacted
N/P
Ca/Mg
stoichiometry,
while
microplastic
quantity
influenced
Ca/Al
Ca