Effects of planting patterns on physicochemical properties, metabolites and microbial community structure of rhizosphere soil in perennial cultivated grassland
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 8, 2025
Establishing
perennial
cultivated
grasslands
on
the
Qinghai-Tibet
Plateau
helps
address
seasonal
imbalance
of
forage
resources
and
supports
restoration
degraded
grasslands.
The
most
common
planting
patterns-monocropping
mixed
cropping-are
well-studied
in
terms
vegetation
structure,
productivity,
soil
nutrients.
Despite
their
significance,
influence
prolonged
practices
underground
microbial
communities
metabolites
has
often
been
neglected.
In
this
study,
two
characteristic
plants,
Festuca
sinensis
'Qinghai'
Poa
pratensis
'Qinghai',
from
area
around
Qinghai
Lake
were
selected
as
experimental
subjects
by
employing
16
S
ITS
sequencing
methods
conjunction
with
non-targeted
metabolomics
analysis.
effects
patterns
(monocropping
cropping)
rhizosphere
characteristics,
community
structure
examined.
results
showed
that
compared
monocropping,
cropping
significantly
increased
contents
nutrients
key
metabolites.
addition,
it
had
a
greater
impact
fungal
diversity
than
bacterial
diversity,
particularly
β-diversity.
While
α-diversity
dominant
phyla
remained
stable,
fungi
more
responsive
to
changes
properties
These
show
new
niche
differentiation
between
different
species
grassland
stimulates
secretion
trehalose
valine,
which
further
affects
enhances
ecological
functions
findings
will
guide
selection
strategies
improve
local
sustainable
productivity.
Язык: Английский
Diversified Cropping of Grains and Atractylodes lancea (Thunb.) DC. Enhances Ecological Benefits of Agroecosystems
Agriculture,
Год журнала:
2024,
Номер
14(12), С. 2327 - 2327
Опубликована: Дек. 19, 2024
Crop
diversification
is
pivotal
in
sustainable
agriculture,
influencing
soil
microbial
communities
and
nutrient
cycling
functions.
Yet,
the
impacts
of
incorporating
medicinal
plants
into
crop
strategies
on
functional
characteristics
these
remain
understudied.
This
research
elucidates
benefits
diversified
cropping
systems
by
assessing
content,
diversity
composition
microorganisms,
abundance
genes
involved
carbon
(C),
nitrogen
(N)
phosphorus
(P)
cycling,
overall
agricultural
productivity;
collectively
referred
to
as
ecological
benefits.
The
experimental
design
included
four
treatment
groups:
(1)
continuous
maize
(Zea
mays
L.)
cultivation
(MC);
(2)
maize–A.
lancea
(Atractylodes
Thunb.)
intercropping
(MA);
(3)
maize–sorghum
(Sorghum
bicolor
rotation
(MS);
(4)
combined
with
sorghum
(MSA).
Findings
indicate
that
treatments
significantly
enhance
alpha
bacterial
over
fungal
communities.
NH4+
NO3−
predominantly
influence
communities,
a
notable
increase
relative
Acidobacteriota,
Gemmatimonadota,
Chloroflexi.
Compared
MC
treatment,
MA
MSA
increased
C
(121.44%,
294.26%),
N
(206.57%,
P
(112.02%,
225.84%)
genes.
inverse
variance
weighting
evaluation
demonstrates
that,
compared
MS
(5.34)
(8.15)
boost
Overall,
diversifying
A.
grains
can
soil.
study
offers
new
perspectives
planting,
particularly
terms
species
selection
practical
combinations
farmland.
Язык: Английский