Targeted
regulation
of
composting
to
convert
organic
matter
into
humic
acid
(HA)
holds
significant
importance
in
compost
quality.
Owing
its
low
carbon
content,
chicken
manure
often
requires
supplements
promote
the
humification
progress.
The
addition
lignite
can
increase
HA
content
through
biotic
pathways,
however,
structure
was
not
explored.
PARAFAC
analysis
revealed
that
significantly
complexity
highly
humified
components
(C4).
improved
PPO
and
Lac
activity,
particularly
Lac,
during
thermophilic
cooling
phases.
abundance
transformation
functions
core
bacteria
also
indicated
influence
activity
microbial
components.
structural
equation
model
further
confirmed
had
a
direct
indirect
impact
on
enhancing
phenol
oxidase.
Therefore,
improve
pathways.
Agriculture,
Год журнала:
2025,
Номер
15(5), С. 446 - 446
Опубликована: Фев. 20, 2025
In
order
to
study
the
effect
of
cotton
stalk
particle
size
on
humification,
stalks
different
lengths
(5
cm,
10
15
cm)
were
co-composted
with
pig
manure
for
49
days.
The
results
showed
that
cm
treatment
(T2)
maintained
a
high-temperature
stage
8
days,
and
total
organic
carbon
decreased
by
60.0%.
T2
highest
cellulose
(57.0%)
hemicellulose
(77.1%)
degradation
rate,
lowest
lignin
accumulation
(69.8%),
humus
content
(34.94
g/kg),
which
was
88.1%
higher
than
in
initial
stage.
FTIR
analysis
revealed
significant
changes
functional
groups.
aromatic
C=C
stretching
vibration
(1650
cm−1)
group
increased
79.8%,
showing
better
aromatization
degree
other
two
Two-dimensional
spectroscopy
phenolic
alcohol
hydroxyl
groups
first
involved
followed
polysaccharides,
hemicellulose,
lignin,
structures,
enhanced
this
material
transformation
pathway.
Microbial
diversity
identified
seven
main
phyla,
among
Planctomycetota
Acidobacteria
abundance,
closely
related
cellulose,
compounds.
Second,
abundance
characteristic
species
such
as
Planifilum
fulgidum
also
certain
advantages
group.
summary,
optimized
microbial
activity
matter
effectively
regulated
composting
humification
process.
