Agronomy,
Год журнала:
2025,
Номер
15(2), С. 486 - 486
Опубликована: Фев. 18, 2025
Panax
notoginseng
is
a
prominent
traditional
Chinese
medicinal
herb,
yet
its
yield
and
quality
are
significantly
constrained
by
continuous
cropping
obstacles,
primarily
stemming
from
soil-related
issues.
This
study
analyzed
soils
subjected
to
various
degrees
of
P.
cultivation,
without
planting,
natural
forest
floor
soil
planting.
The
objective
was
investigate
variations
in
microbial
communities,
physicochemical
properties,
enzyme
activities
across
different
conditions.
Macro-genome
sequencing
employed
reveal
shifts
key
factors
influencing
rhizosphere
communities.
Notably,
the
exhibited
highest
levels
organic
matter,
carbon,
total
nitrogen,
available
potassium.
Furthermore,
showed
pH,
phosphorus,
electrical
conductivity,
catalase,
urease,
acid
phosphatase,
sucrase,
FDA
hydrolase
decreased
after
cropping,
but
increased
again
five
years
fallowing.
Microbial
analysis
revealed
that
Bacteroidetes,
Firmicutes,
Chloroflexi
dominated
whereas
Proteobacteria,
Actinobacteria,
Acidobacteria
were
predominant
phyla
soils.
Continuous
led
an
increase
Acidobacteria,
Gemmatimonadetes,
Chloroflexi,
while
fallowing
reduced
Actinobacteria.
Gemmatimonades
almost
exclusively
present
Overall,
planting
altered
nutrients
composition.
Key
communities
included
nitrate
potassium,
conductivity.
suggests
attention
should
be
paid
scientific
rational
fertilization
practices
mitigate
effects
cropping.
Additionally,
fallow
period
more
than
recommended.
proper
application
probiotic
fertilizers
also
advised.
Finally,
cultivating
under
conditions
recommended
as
viable
method.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 12, 2024
Understanding
the
response
of
microbial
communities
and
their
potential
functions
is
essential
for
sustainability
agroecosystems
under
long-term
continuous
cropping.
However,
limited
research
has
focused
on
investigating
interaction
between
soil
physicochemical
factors
community
dynamics
in
This
study
probed
into
properties,
metabolites,
diversity
tobacco
rhizosphere
soils
cropped
continuously
0,
5,
20
years.
The
relative
abundance
bacterial
genera
associated
with
nutrient
cycling
(e.g.,
Sphingomonas
)
increased
while
plant
pathogenic
fungi
beneficial
microorganisms
showed
synergistic
increases
duration
Variations
pH,
alkeline
nitrogen
(AN)
content,
organic
carbon
(SOC)
content
drove
shifts
composition.
Metabolites
such
as
palmitic
acid,
3-hydroxypropionic
stearic
hippuric
acid
may
play
a
key
role
acidification.
Those
results
enhance
our
ability
to
predict
structure
anthropogenic
cropping,
which
can
have
implications
crop
production.
Intercropping
has
the
function
of
promoting
plant
growth,
improving
yield
and
quality.
Platycodon
grandiflorus
(P.
grandiflorus)
is
a
traditional
Chinese
medicinal
herb;
continuous
cropping
obstacles
significantly
inhibit
its
However,
few
study
have
established
about
P.
interaction
various
crops.
This
provides
theoretical
foundation
to
explore
most
effective
intercropping
method,
enhance
soil
utilization
efficiency,
increase
quality
grandiflorus.
We
conducted
field
experiment,
monoculture
(JG-JG),
Achyranthes
bidentata
(JG-NX),
Saposhnikovia
divaricata
(JG-FF),
Glehnia
littoralis
(JG-SS)
intercropping.
Additionally,
we
included
three
main
crops
with
grandiflorus,
Zea
mays
(JG-YM),
Setaria
italica
(JG-GZ),
Glycine
max
(JG-DD).
The
physicochemical
properties,
enzyme
activity,
microorganisms,
secondary
metabolite
content
in
roots
were
determined.
results
showed
that
increased
reduced
incidence
rate
root
rot.
system
enhances
physical
chemical
properties
soil,
microbial
diversity.
JG-SS
abundance
bacteria
fungi,
stimulated
communities,
promoted
platycodin
D,
enhanced
complexity
co-occurrence
networks.
could
provide
sustainable
planting
for
cultivation
particularly
JG-SS.
Not
applicable.
Microorganisms,
Год журнала:
2023,
Номер
11(12), С. 2950 - 2950
Опубликована: Дек. 9, 2023
Soil
bacteria
are
crucial
components
of
terrestrial
ecosystems,
playing
an
important
role
in
soil
biogeochemical
cycles.
Although
bacterial
community
diversity
and
composition
regulated
by
many
abiotic
biotic
factors,
how
physiochemical
properties
impact
the
wetland
ecosystems
remains
largely
unknown.
In
this
study,
we
used
high-throughput
sequencing
technology
to
investigate
a
community,
as
well
structural
equation
modeling
(SEM)
method
relationships
soil's
physicochemical
(i.e.,
pH,
organic
carbon
(SOC),
total
nitrogen
(TN),
ammonium
(NH4+N),
electrical
conductivity
(EC)
nitrate
(NO3-N)),
structures
three
typical
sites
Sanjiang
Plain
wetland.
Our
results
showed
that
significantly
changed
α
β-diversity
communities,
e.g.,
TN,
NH4+N,
NO3-N,
SOC
were
main
factors
affecting
α-diversity.
The
TN
pH
key
community.
suggest
changes
indirectly
affect
communities
altering
nitrogenous
nutrient
content.
Microorganisms,
Год журнала:
2024,
Номер
12(12), С. 2420 - 2420
Опубликована: Ноя. 25, 2024
Continuous
cropping
problems
constitute
threats
to
perennial
plant
health
and
survival.
Soil
conditioners
have
the
potential
enhance
disease
resistance
in
continuous
systems.
However,
how
microbes
metabolites
of
rhizosphere
respond
soil
conditioner
addition
remains
largely
unknown,
but
this
knowledge
is
paramount
providing
innovative
strategies
adaptation
Here,
we
found
that
a
biochar
significantly
improved
survival
rates
system.
The
biochar-induced
alters
fungal
community,
causing
decline
diversity
downregulation
microbial
community
functionality.
Specifically,
causes
reduction
relative
abundance
pathogenic
Fusarium
sp.
phenolic
acid
concentration,
whose
variations
are
primary
problems.
Conversely,
observed
an
unexpected
bacterial
increase
rhizospheric
non-rhizospheric
soils.
Our
research
further
identified
key
taxa
rhizosphere,
namely,
Monographella,
Acremonium,
Geosmithia,
Funneliformis,
which
nutrient
availability,
suppress
sp.,
mitigate
acidification,
reduce
concentrations.
Collectively,
highlight
critical
role
regular
communities
determining
during
propose
synthetic
framework
for
optimizing
ecological
functions
rhizosphere.
Agriculture,
Год журнала:
2024,
Номер
14(8), С. 1231 - 1231
Опубликована: Июль 26, 2024
Soil
fumigation
is
considered
a
method
to
control
soil-borne
diseases
and
solve
crop
continuous
cropping
obstacles.
However,
fumigant
residues
in
the
soil
are
detrimental
health.
Though
substrate
cultivation
mode
that
can
promote
plant
growth,
studies
date
on
whether
replace
for
of
pathogens
limited.
In
this
study,
effects
chloropicrin
(Pic)
(SC)
yam
pathogens,
nutrients,
microbial
communities
were
demonstrated
using
2-year
field
experiment.
The
results
showed
SC
significantly
increased
content
organic
matter
(SOM),
available
phosphorus,
potassium
compared
with
Pic.
addition,
could
effectively
reduce
number
Fusarium
spp.
Phytophthora
spp.,
decrease
rate
diseased
plants,
increase
yield.
Moreover,
abundance
beneficial
microorganisms
such
as
Actinobacteriota,
Acidobacteriota,
Bacillus
soil.
Correlation
analysis
yield
exhibited
negative
relation
positive
correlation
SOM.
Our
study
suggests
be
an
alternative
protect
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июнь 19, 2024
Abstract
Continuous
cultivation
of
tobacco
could
cause
serious
soil
health
problems,
which
bacterial
to
change
fungal
soil.
In
order
study
the
diversity
and
richness
community
in
tobacco-growing
under
different
crop
rotation,
three
treatments
were
set
up
this
study:
CK
(tobacco
continuous
cropping);
B
(barley-tobacco
rotation
cropping)
R
(oilseed
rape-tobacco
cropping).
The
results
showed
that
with
other
crops
significantly
decreased
OTUs,
also
richness,
evenness,
coverage
communities.
Among
them,
most.
analysis
composition
structure
community,
it
was
found
proportion
plant
pathogens
Nectriaceae
from
19.67%
5.63%
B,
greatly
reduced
possibility
soil-borne
diseases.
correlation
between
environmental
factors
communities,
Filobasidiaceae
had
a
strong
TP
AP,
Erysiphaceae
TK
AK.
NO
3
−
-N
NH
4
+
two
strongest
slowed
down
process
fungi
changed
dominant
species
community.
At
same
time,
by
changing
physical
chemical
properties
