Sustainability,
Год журнала:
2024,
Номер
16(19), С. 8416 - 8416
Опубликована: Сен. 27, 2024
Biogas
slurry
with
rich
nutrients
could
be
applied
as
fertilizer
to
improve
nitrogen
absorption
and
soil
structure.
Arbuscular
mycorrhizal
fungi
(AMF)
are
beneficial
microorganisms
that
establish
mutualistic
relationships
the
plant
roots.
The
purpose
of
this
study
was
effects
AMF
biogas
treatment
on
hybrid
Pennisetum
growth,
chemical
properties,
microorganisms.
results
revealed
biomass
yield
significantly
increased
after
application
slurry,
it
reached
peak
values
when
dosage
900
t/hm2,
which
were
13,216.67
kg/hm2
13,733.33
in
AMF−
AMF+
groups,
respectively.
Moreover,
has
a
significant
promoting
effect
other
agronomic
traits
related
yield.
As
for
indicators,
contents
total
nitrogen,
nitrate
ammonia
available
phosphorus
increase
application,
while
organic
matter
decreased.
addition
arbuscular
species
diversity
no
application.
Furthermore,
applied,
had
microbial
composition,
or
treatment.
research
can
provide
reference
long-term
utilization
also
used
actual
production
Pennisetum.
The Science of The Total Environment,
Год журнала:
2024,
Номер
927, С. 171982 - 171982
Опубликована: Апрель 2, 2024
In
this
research,
we
developed
a
biochar-based
fertilizer
using
biogas
slurry
and
biochar
derived
from
lignocellulosic
agro-residues.
Biogas
was
obtained
through
the
anaerobic
digestion
of
organic
fraction
municipal
solid
waste
(fresh
vegetable
biomass
and/or
prepared
food),
while
biochars
were
residues
quinoa,
maize,
rice,
sugarcane.
The
fertilizers
an
impregnation
process,
where
mixed
with
each
raw
biochars.
Subsequently,
characterized
N,
P
K
concentrations
fertilizers.
Additionally,
analyzed
their
surface
properties
SEM/EDS
FTIR
conducted
slow-release
test
on
these
to
assess
capability
gradually
release
nutrients.
Lastly,
bioassay
cucumber
plants
determine
P,
bioavailability.
Our
findings
revealed
significant
correlation
(r
>
0.67)
between
atomic
O/C
ratio,
H/C
cation
exchange
capacity,
area,
base
cations
concentration
adsorption
biochar.
These
properties,
in
turn,
linked
nutrients
controlled
manner.
corn
showed
<15
%
at
24
h.
Utilization
had
positive
impact
mineral
nutrition
plants,
resulting
average
increase
61
32
19
concentrations.
results
underscore
potential
nutrient
enhanced
plant
nutrition.
Integration
offers
promising
sustainable
approach
for
NPK
recovery
production
agriculture.
This
study
presents
innovative
combining
use
its
as
Sustainability,
Год журнала:
2025,
Номер
17(4), С. 1690 - 1690
Опубликована: Фев. 18, 2025
As
a
type
of
high-water-content
agricultural
waste,
vegetable
waste
(VW)
is
extremely
prone
to
spoilage
and
environmental
pollution.
Anaerobic
digestion
(AD)
technology
can
accelerate
the
degradation
VW;
however,
its
direct
reaction
might
encounter
risk
termination
due
excessive
acidification.
How
effectively
prevent
acidification
further
maturity
VW
remains
significant
challenge
at
present.
This
paper
employed
methods
AD
biogas
aerobic
treatment
(AT)
slurry
(BS)
develop
set
three
groups
coupled
devices
for
thermostatic
anaerobic
processes
with
temperature
control
by
solar
collectors.
The
process
was
facilitated
adopting
mixture
raw
materials
exogenous
additives.
In
Lanzhou,
comparative
experiment
carried
out
examine
impacts
blank
group
(BG)
(additive-free),
1
g/L
urea
(UG),
plant
ash
(PG)
on
decomposition
cow
dung
tomato
stems
leaves.
batch
wet
stage
mixed
(26
±
2
°C)
lasted
49
days.
substrate
after
underwent
aeration
8
h
different
temperatures
rates.
results
show
that
system
could
be
initiated
smoothly
maintain
stable
operation
in
winter
under
collector;
adding
additives
during
significantly
boosted
methane
production
first
28
days,
being
most
effective.
During
subsequent
phase,
UG
demonstrated
highest
bio-effectiveness
optimized
conditions
(30
an
rate
12
L/min.
Comprehensive
analysis
revealed
optimal
strategy
identified
as
use
29-day
cycle.
research
have
referential
value
rapid
livestock
cold
regions.
Frontiers in Veterinary Science,
Год журнала:
2025,
Номер
12
Опубликована: Март 28, 2025
Application
of
biogas
slurry
(BS)
in
paddy
fields
offers
a
sustainable
approach
to
reducing
environmental
risks
while
efficiently
utilizing
nutrients
from
residues.
However,
BS
may
harbor
animal
gut
microorganisms
and
associated
antibiotic
resistance
genes
(ARGs)
arising
use
during
livestock
breeding,
potentially
facilitating
the
spread
soil
ecosystems.
In
this
two-year
field
study,
we
investigated
effects
replacing
chemical
fertilizers
with
different
proportions
on
microbial
communities
oilseed
rape
soils.
Soil
bacterial
community
diversity
composition
were
systematically
evaluated
using
Illumina
MiSeq
high
throughput
sequencing,
focusing
interrelationships
changes
at
genetic
level.
The
predominant
phyla
identified
Proteobacteria,
Actinobacteria,
Bacteroidetes,
no
significant
differences
observed
phylum
or
species
level
across
treatment
groups.
Overall
structure
remained
largely
stable.
Dimensionality
reduction
analysis
further
revealed
only
minor
variations
abundance
ARGs,
mobile
elements
(MGEs),
metal
(MRGs)
among
treatments.
These
findings
suggest
that,
short
term,
substituting
has
minimal
gene
dynamics.
This
study
highlights
potential
as
viable
alternative
fertilizers,
contributing
reduced
agriculture.
Future
research
should
investigate
long-term
ecological
safety
under
types
management
practices
comprehensively
evaluate
its
sustainability
agricultural
systems.
