Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: March 7, 2024
Introduction
Phosphorus
(P),
which
plays
a
vital
role
in
plant
growth,
is
continually
added
to
soil
maximize
biomass
production,
leading
excessive
P
accumulation
and
water
eutrophication.
Results
In
this
study,
pot
experiment
using
subtropical
tobacco-growing
fertilized
with
four
levels—no
P,
low
medium
high
P—was
conducted
rhizosphere
bulk
soils
were
analyzed.
addition
significantly
increased
tobacco
production
(except
under
input)
total
available
content
(
<0.05),
whereas
nitrogen
decreased
the
soils,
although
was
only
significant
application.
fertilization
also
altered
bacterial
communities
of
but
those
unchanged
>0.05).
Moreover,
difference
found
between
(LR)
(HR)
inputs
<0.05).
Additionally,
compared
no
(CKR),
Shannon
diversity
showed
declining
trend,
LR
HR
an
increasing
tendency
observed
for
Chao1
except
Functional
prediction
revealed
that
application
N
metabolism
microorganisms
Discussion
Collectively,
our
results
indicate
maintaining
sustainable
agricultural
ecosystems
surplus
conditions
requires
more
attention
be
directed
toward
motivating
potential
functional
microbes
cycling,
rather
than
just
through
continual
input.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 7, 2024
Nitrogen
(N)
is
the
primary
essential
nutrient
for
ginseng
growth,
and
a
reasonable
nitrogen
application
strategy
vital
maintaining
stability
of
soil
microbial
functional
communities.
However,
how
microbial-mediated
genes
involved
in
cycling
rhizosphere
respond
to
addition
largely
unknown.
In
this
study,
metagenomic
technology
was
used
study
effects
different
additions
(N0:
0,
N1:
20,
N2:
40
N
g/m
Agricultural Water Management,
Journal Year:
2023,
Volume and Issue:
289, P. 108563 - 108563
Published: Oct. 19, 2023
In
the
agricultural
zones
of
arid
Xinjiang
region
China,
reducing
irrigation
is
mandatory.
However,
affects
composition
and
diversity
soil
bacterial
community
which
vital
to
crop
yield.
To
best
our
knowledge,
very
little
research
has
been
conducted
on
relationships
among
community,
method,
yield
as
well
their
underlying
in
jujube
agroecosystems.
Here,
we
investigated
physicochemistry
communities
fields
subjected
drip
(DI)
traditional
flood
(FI),
associations
with
at
flowering
fruit
set
(FFS)
end-of-growth
(EG)
stages.
Under
DI,
was
8712.00
±
24.54
kg/hm2,
7.64%
higher
than
that
obtained
under
FI
(8094.33
43.67
kg/hm2).
DI
increased
relative
bacteria
by
decreasing
moisture
content
increasing
nutrient
levels
soil.
also
transformed
so
Bacteroidota
predominated
FFS
stage
probiotics
Chloroflexi
Firmicutes
EG
stage.
A
co-occurrence
network
analysis
showed
created
stable
complex
Soil
fields,
Though
Dependentiae
Deferriberota
had
low
abundance,
they
were
nonetheless
key
nodes
network.
neutral
model
(NCM)
revealed
stochastic
processes
drove
assembly
whereas
promoted
deterministic
regulating
levels.
Partial
least
squares
path
modeling
(PLS-PM)
disclosed
affected
structure
(−0.342
**)
(0.557
The
PLS-PM
demonstrated
observed
change
main
reason
for
increase
(1.098
**).
present
work
provides
insights
into
mechanisms
correlations
between
response
changes
method.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: May 25, 2023
Introduction
The
continuous
application
of
cow
manure
in
soil
for
many
years
leads
to
the
accumulation
heavy
metals,
pathogenic
microorganisms,
and
antibiotic
resistance
genes.
Therefore,
recent
years,
has
often
been
mixed
with
botanical
oil
meal
as
organic
fertilizer
applied
farmland
improve
crop
quality.
However,
effects
various
fertilizers
on
microbial
composition,
community
structure,
function,
tobacco
yield,
quality
remain
unclear.
Methods
we
prepared
via
solid
fermentation
by
mixing
different
meals
(soybean
meal,
rape
peanut
bran,
sesame
meal).
Then,
studied
its
structure
physicochemical
properties,
enzyme
activities,
yield
quality;
then
analyzed
correlations
between
these
factors.
Results
discussion
Compared
alone,
four
kinds
improved
flue-cured
degrees.
Peanut
which
significantly
available
phosphorus,
potassium,
NO
3
–
-N,
was
best
addition.
fungal
diversity
decreased
when
or
bran
combined
manure,
while
bacterial
abundance
increased
added
compared
soybean
bran.
addition
enriched
subgroup_7
Spingomonas
bacteria
Chaetomium
Penicillium
fungi
soil.
relative
abundances
functional
genes
xenobiotics
biodegradation
metabolism,
endophytic
fungi,
wood
saprotroph
groups
increased.
In
addition,
alkaline
phosphatase
had
greatest
effect
-N
least
microorganisms.
conclusion,
phosphorus
potassium
contents
soil;
beneficial
microorganisms;
promoted
metabolic
function
tobacco;
microecology.
