Despite
FeSO4
as
a
nitrogen-retaining
agent
has
been
extensively
explored,
the
role
of
in
improving
compost
phosphorus
efficiency
is
rarely
addressed.
The
results
demonstrated
that
addition
1%
and
2%
significantly
boosted
available
(AP)
content
by
32.42%
119.42%
CK.
correlation
analysis
showed
dominant
bacterial
genera
(Pseudogracilibacillus
Tissierella)
unclassified_Lachnospiraceae,
Paenalcaligenes
thermophilic
phase
were
identified
crucial
microorganisms
on
AP
maturity
phase.
Based
cycle
genes,
it
appears
phosphorus-transports
system
may
be
main
pathway
through
which
acquired
during
chicken
manure
composting.
By
enhancing
activity
AP-related
genera,
improve
ability
ugp
phn
systems
to
transport
phosphorus,
thereby
increasing
efficacy
products.
Land Degradation and Development,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 11, 2024
ABSTRACT
Phosphorus
(P)
is
the
key
nutritional
element
in
soil
of
cut
road
slopes
undergoing
ecological
restoration,
and
transformation
organic
P
(Po)
a
crucial
part
cycle.
However,
role
phoD
‐harboring
bacteria
driving
mineralization
Po
fractions
slope
aggregates
unclear.
This
study
analyzed
soils
that
had
undergone
7,
11,
14
years
restoration
western
Sichuan
Plateau
China.
We
examined
differences
associations
between
fraction
content,
alkaline
phosphatase
(ALP)
activity,
community
composition
rare
abundant
four
particle
sizes
(0.053–0.25,
0.25–2,
0.053–0.25,
and,
>
2
mm).
The
results
showed
NaHCO
3
‐extracted
(NaHCO
‐Po)
content
increased
with
years,
while
NaOH‐extracted
(NaOH‐Po)
decreased.
ALP
activity
but
there
was
no
significant
relationship
bacterial
community.
There
were
communities
during
restoration.
Soil
moisture,
pH,
carbon,
C:P
ratio
primary
factors
affecting
distribution
‐Po
NaOH‐Po
likely
main
substrates
for
ALP‐mediated
mineralization.
More
genera
involved
restored
than
7
11
more
actively
genera.
provides
some
theoretical
basis
effectiveness
enhancement
management