Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: March 5, 2024
In
contemporary
agriculture,
the
substitution
of
manure
for
chemical
fertilizer
based
on
phosphorus
(P)
input
in
vegetable
production
has
led
to
a
significant
reduction
P
application
rates,
while,
effect
rates
soil
transformation
and
uptake
by
root
remain
unclear.
Phosphorus
(P)
is
vital
for
plant
growth
and
abundantly
found
in
incinerated
sewage
sludge
ash
(ISSA).
However,
utilizing
this
P-rich
ISSA
efficiently
as
fertilizer
remains
a
key
challenge.
This
study
first
successfully
synthesized
bi-functional
biochar-based
using
acid-extracted
shrimp
shell
through
pyrolysis.
We
systematically
examined
how
impregnation
methods,
pyrolysis
temperatures,
biomass
types
influenced
available
phosphorus
(AP)
release,
with
further
optimization
Cu(II)
adsorption
performance
mechanism.
AP
release
results
indicated
that
the
pre-pyrolysis
impregnated
biochar
prepared
at
350
°C
(Im-SS350-pre)
had
maximum
(51.68
mg
P/g).
demonstrated
Im-SS350-pre
achieved
capacity
of
66.86
mg/g,
due
to
its
highly
effective
reactive
sites.
was
three
times
high
produced
without
(25.08
mg/g).
For
XRD
analysis
confirmed
acid
leaching
broke
metal-P
bonds,
releasing
Ca‒P
Mg‒P,
while
promoted
formation
phosphate
concentration.
adsorption,
FTIR,
XRD,
XPS
analyses
identified
mechanisms
such
coordination,
co-precipitation,
functional
group
complexation,
Cu‒π
interactions.
highlights
dual
functionality
providing
promising
approach
recovery
copper
remediation
biomass.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 27, 2025
Glyptostrobus
pensilis
is
an
endangered
species
belonging
to
the
Cupressaceae
family.
The
comprehensive
examination
of
soil
characteristics
and
rhizosphere
microbial
communities
vital
for
conservation
efforts,
as
it
provides
insights
into
necessary
environmental
conditions
safeguarding
ensuring
viability
rare
species.
In
this
study,
diversity
composition
bacterial
fungal
were
compared
in
roots
soils
cultivated
wild
G.
Guangxi,
China.
results
revealed
that,
at
phylum
level,
was
significantly
enriched
with
Verrucomicrobiota
,
Acidobacteriota
Glomeromycota
Chloroflexi
while
Planctomycetota
Basidiomycota
Ascomycota
.
Symbiotic
network
analysis
indicated
that
had
higher
edge
values,
average
degree,
clustering
coefficient,
density,
node
coefficient.
Moreover,
functional
prediction
suggested
bacteria
showed
metabolic
activity,
fungi
primarily
acted
saprotrophs
symbionts.
contrast,
displayed
lower
predominantly
functioning
saprotrophs.
linking
rhizospheric
factors
a
closer
association
community,
suggesting
stronger
influence
factors.
Random
Forest
(RF)
highlighted
total
phosphorus
potassium
levels
key
influencing
microbes
available
crucial
those
These
differences
underscore
significant
strategies
adapting
different
habitats,
which
may
be
intricately
linked
land
management
practices
Among
these,
are
associated
microorganisms
Therefore,
continuous
monitoring
nutrient
availability
regular
supplementation
fertilizers
recommended
during
cultivation
ex-situ