Agroecosystems
play
a
crucial
role
in
carbon
sequestration
and
reducing
atmospheric
CO2
emissions
by
storing
organic
soil.
Soil
fertility
productivity
are
essential
for
global
crop
demands
depend
on
soil
matter,
particularly
humic
substances
(HS).
HS
is
health
as
it
involves
the
cycle,
supplies
nutrients
plants,
reduces
emission
of
pollutants
through
microbial
processes
enhancement
sequestration.
Humification
natural
process
matter
stabilization,
playing
maintaining
content
storage.
Laccase
used
to
polymerize
monomeric
compounds
such
phenols
their
derivatives
into
highly
polymerized
HS.
We
screened
five
cellulose-degrading
isolates,
among
which
three
strains
demonstrate
lignin-degrading
capabilities.
WSC-7
exhibited
highest
laccase
activity
showed
high
similarity
[99.51%]
Arthrobacter
defluvii
based
16S
rDNA
analysis.
Strain
LiPK-078-5
nutrient
broth
medium
Difco
Sporulation
Medium
optimal
catalytic
catechol,
indicating
efficiency
aromatic
polymerization
soluble
carbon.
The
addition
rice
husk
biochar
with
LiPK-078-5,
WSC-6,
increased
effectively.
synthesis
increases
greenhouse
gas
environment.
ACS ES&T Engineering,
Год журнала:
2024,
Номер
4(4), С. 771 - 782
Опубликована: Март 11, 2024
This
study
investigated
the
performance
of
lignocellulosic
wastes
to
regulate
microbial
interactions
improve
composting
digestate
from
anaerobic
digestion
food
waste
regarding
organic
mineralization
and
humification.
Garden
waste,
rice
husk,
cornstalks
with
diverse
biomass
compositions
structures
were
representatively
selected
for
comparison.
High-throughput
sequencing
was
integrated
a
modular
network
analysis
decipher
community
their
interactions.
Results
showed
that
mixing
15%
garden
(wet
weight)
more
effective
than
husk
enrich
functional
microbes
(e.g.,
Tepidimicrobium
Mortierella)
promote
interkingdom
degradation
humus
formation.
In
particular,
stronger
bacterial
intrakingdom
mutualism
observed
cornstalk
addition
facilitate
progressive
succession
bacteria
in
aerobic
thus
inhibit
activities
denitrifying
reduce
emissions
methane
nitrous
oxide
by
14.2–49.1%.
Furthermore,
lignin
could
effectively
strengthen
within
fungi
interaction
mitigate
carbon
dioxide
emission
39.8–42.7%.
By
contrast,
weakened
mutualisms
retard
biodegradation
humification
during
composting.
this
provided
fundamental
understanding
on
selecting
biotransformation
simultaneously
gaseous