Agriculture,
Год журнала:
2024,
Номер
14(2), С. 211 - 211
Опубликована: Янв. 28, 2024
Biological
nitrogen
fixation
(BNF)
can
reduce
synthetic
N
fertilizer
application
and
improve
N-use
efficiency.
However,
knowledge
about
the
effect
of
biochar
water
management
regimes
on
soil
diazotrophic
microorganisms
in
tropical
paddy
fields
remains
only
rudimentary.
A
field
trial
was
started
early
rice
season
2019
ended
late
2020.
We
studied
effects
five
treatments
comprising
different
applications
abundance
community
composition:
no
+
conventional
management,
fertilization
flooding,
40
t
ha−1
management.
According
to
results,
increased
pH
organic
carbon
(SOC),
whereas
flooding
decreased
available
phosphorus
(P)
content.
addition
as
well
nifH
abundance.
The
negatively
correlated
with
P,
it
significantly
positively
SOC
(p
<
0.05).
results
redundancy
analysis
unveiled
that
stimulated
relative
Pelomonas
changed
microbial
structure
by
increasing
pH,
while
Azospirllum.
Conclusively,
both
affect
fields.
Reducing
P
clubbed
amendment
may
be
beneficial
for
N-fixing
Agriculture,
Год журнала:
2024,
Номер
14(2), С. 211 - 211
Опубликована: Янв. 28, 2024
Biological
nitrogen
fixation
(BNF)
can
reduce
synthetic
N
fertilizer
application
and
improve
N-use
efficiency.
However,
knowledge
about
the
effect
of
biochar
water
management
regimes
on
soil
diazotrophic
microorganisms
in
tropical
paddy
fields
remains
only
rudimentary.
A
field
trial
was
started
early
rice
season
2019
ended
late
2020.
We
studied
effects
five
treatments
comprising
different
applications
abundance
community
composition:
no
+
conventional
management,
fertilization
flooding,
40
t
ha−1
management.
According
to
results,
increased
pH
organic
carbon
(SOC),
whereas
flooding
decreased
available
phosphorus
(P)
content.
addition
as
well
nifH
abundance.
The
negatively
correlated
with
P,
it
significantly
positively
SOC
(p
<
0.05).
results
redundancy
analysis
unveiled
that
stimulated
relative
Pelomonas
changed
microbial
structure
by
increasing
pH,
while
Azospirllum.
Conclusively,
both
affect
fields.
Reducing
P
clubbed
amendment
may
be
beneficial
for
N-fixing
