Journal of Integrative Agriculture,
Journal Year:
2023,
Volume and Issue:
23(7), P. 2434 - 2445
Published: Oct. 18, 2023
Population
growth
and
growing
demand
for
livestock
products
produce
large
amounts
of
manure,
which
can
be
harnessed
to
maintain
soil
sustainability
crop
productivity.
However,
the
impacts
excessive
manure
application
on
yields,
nitrogen
(N)-cycling
processes
microorganisms
remain
unknown.
Here,
we
explored
effects
20-years
rates
(18
27
Mg
ha-1
yr-1)
pig
peanut
nutrient
contents,
N-cycling
abundance
in
an
acidic
Ultisol
summer
winter,
compared
with
none
a
regular
rate
(9
application.
Long-term
application,
especially
at
high-rate,
significantly
increased
functional
genes,
potential
nitrification
denitrification
activity,
while
it
had
weaker
effect
yield
plant
biomass.
Compared
seasonality
much
gene
abundance.
Random
forest
analysis
showed
that
available
phosphorus
(AP)
content
was
primary
predictor
abundance,
significant
positive
associations
all
tested
genes.
Our
study
clearly
illustrated
would
increase
N
loss
relatively
weak
promotion
providing
implications
sustainable
agriculture
Ultisols.
Forests,
Journal Year:
2024,
Volume and Issue:
15(3), P. 440 - 440
Published: Feb. 26, 2024
Background:
Microorganisms
are
important
regulators
of
soil
phosphorus
cycling
and
availability
in
Chinese
fir
(Cunninghamia
lanceolata
(Lamb.)
Hook)
plantations.
However,
the
effects
thinning
on
by
microbes
C.
plantations
remain
unclear.
Methods:
We
performed
a
metagenomic
sequencing
analysis
to
investigate
how
intensities
(weak,
moderate,
heavy)
alter
related
microbial
genes
their
regulatory
Results:
Following
heavy
thinning,
contents
available
labile
increased
13.8%
36.9%,
respectively,
compared
moderate
weak
thinning.
Moreover,
relative
abundance
associated
with
inorganic
solubilization
significantly
increase
intensity,
whereas
uptake
transport
decreased.
The
results
indicate
that
Acidobacteria
(47.6%–53.5%),
Proteobacteria
(17.9%–19.1%),
Actinobacteria
(11.7%–12.8%)
major
contributors
functional
soil.
random
forest
suggested
gcd,
plc,
phoN,
ugpA,
phoR
were
critical
involved
transformation
use
phosphorus,
which
turn
availability.
Structural
equation
modeling
revealed
pH
was
primary
factor
influencing
changes
Specifically,
(ranging
from
4.3
4.9)
positively
correlated
phosphate
organic
mineralization,
while
negatively
transport.
Conclusions:
Taken
together,
our
demonstrate
enhanced
microbe-mediated
mineralization
suppressed
when
transportation
mechanisms
responsible
for
under
appropriate
intensities.
Changes
community
response
different
may
maintain
functionality
nutrient
balance
These
findings
contribute
better
understanding
underlying
mediation
