Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Дек. 8, 2022
Living
grass
mulching
(LGM)
is
an
important
orchard
floor
management
that
has
been
applied
worldwide.
Although
LGM
can
effectively
enhance
soil
nutrient
availability
and
fertility,
its
effects
on
microbial-mediated
cycling
main
drivers
are
unclear.
Meanwhile,
the
variation
of
enzyme
activities
with
duration
have
rarely
studied.
This
study
aims
to
explore
age
layer
nutrients
in
citrus
orchards.
In
this
study,
three
(Vicia
villosa)
treatments
were
applied,
i.e.,
for
eight
years,
four
no
(clean
tillage).
Their
analyzed
different
layers
orchards
subtropical
China,
0-10,
10-20,
20-40
cm.
Compared
clean
tillage,
years
had
fewer
nutrients.
contrast,
significantly
increased
available
nitrogen
(N),
phosphorus
(P)
nutrients,
β-glucosidase,
cellobiohydrolase
0-20
0-40
cm,
microbial
biomass
carbon
(C),
N,
P,
N-acetylglucosaminidase,
leucine
aminopeptidase,
acid
phosphatase
also
(P
<
0.05).
Mulching
promoted
C,
P-cycling
total
by
2.45-6.07,
9.29-54.42,
4.42-7.11,
5.32-14.91
times,
respectively.
Redundancy
analysis
shows
layer-dependent
positive
activities.
Microbial
C
P
showed
most
significant
correlation
activities,
followed
moisture
content,
organic
N
Available
contributed
almost
70%
affect
activity
variation.
summary,
could
improve
increasing
The
promotion
effect
was
more
under
years.
Therefore,
extending
improving
effective
development
strategies
sustainable
systems.
Our
provide
valuable
guidelines
design
implementation
practices
Abstract
Biochar
and
organic
fertilizer
are
widely
supported
to
maintain
crop
production
sustainable
development
of
agroecosystems.
However,
it
is
unclear
how
biochar
alone
or
in
combination
regulate
soil
functional
microbiomes
their
relationships
ecosystem
multifunctionality
(EMF).
Herein,
a
long-term
(started
2013)
field
experiment,
containing
five
fertilization
treatments,
was
employed
explore
the
effects
applications
on
EMF
(based
18
indicators
productivity,
nutrient
supply,
element
cycling,
microbial
biomass)
bulk
rhizosphere
[normalizing
abundances
64
genes
related
carbon
(C),
nitrogen
(N),
phosphorus
(P),
sulphur
(S)
cycles].
Compared
with
single-chemical
fertilization,
inputs
significantly
enhanced
most
ecosystem-single
functions
and,
particular,
increased
by
18.7–30.1%;
taxa
C-N-P-S
cycles
varying
degree.
The
combined
application
showed
better
improvement
these
compared
using
them
individually.
Most
populations
soil,
especially
involved
C
degradation,
nitrification,
nitrate-reduction,
P
mineralization,
S
cycling
positive
associations
at
different
threshold
levels,
which
ultimately
regulated
pH
availability.
These
results
highlight
strong
links
between
agroecosystem
functions,
as
well
providing
scientific
support
for
inclusion
agricultural
services
amendments.
Graphical
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Март 16, 2023
As
an
essential
agroforestry,
intercropping
legumes
can
improve
the
physical,
chemical,
and
biological
fertility
of
soil
in
tea
plantations.
However,
effects
different
legume
species
on
properties,
bacterial
communities,
metabolites
remain
elusive.
In
this
study,
0-20
cm
20-40
soils
three
planting
patterns
(T1:
plants/mung
bean
intercropping,
T2:
plants/adzuki
T3:
adzuki
intercropping)
were
sampled
to
explore
diversity
community
metabolites.
The
findings
showed
that,
as
compared
monocropping,
systems
had
greater
concentrations
organic
matter
(OM)
dissolved
carbon
(DOC).
Notably,
pH
values
significantly
lower,
nutrients
increased
with
monoculture
soils,
especially
T3.
addition,
resulted
relative
abundance
Proteobacteria
but
a
decreased
Actinobacteria.
4-methyl-Tetradecane,
acetamide,
diethyl
carbamic
acid
key
mediating
root-microbe
interactions,
bean,
mixed
soils.
Co-occurrence
network
analysis
that
arabinofuranose,
abundant
plants
most
remarkable
correlation
taxa.
Our
demonstrate
beans
is
better
at
enhancing
bacteria
more
weed-suppressing
than
other
plants/legume
systems.
Agronomy,
Год журнала:
2023,
Номер
13(4), С. 1110 - 1110
Опубликована: Апрель 13, 2023
Microorganisms
play
essential
roles
in
soil-ecosystem
multifunctionality.
However,
the
contribution
of
their
community
assembly
processes,
composition,
diversity,
and
keystone
species
to
ecosystem
multifunctionality
is
unclear,
especially
tea-plantation
ecosystems.
In
order
assess
effects
various
intercropping
patterns
(tea-plant
monoculture
tea
plants,
respectively,
intercropped
with
soybean,
soybean—milk
vetch,
soybean—red
clover,
soybean—smooth
vetch)
on
soil
rare
abundant
taxa,
a
field
experiment
was
carried
out.
We
found
that
plantation
legumes
improved
by
altering
environment,
ultimately
benefited
nutrient
absorption
quality
improvement
leaves.
Whether
it
bacteria
or
fungi,
taxa
had
higher
proportion
deterministic
processes
than
taxa.
Additionally,
practices
changed
bacterial
were
assembled
shifted
from
variable
selection
homogeneous
dispersal.
Intercropping
significantly
fungal
communities’
α-diversity
Increasing
legume
practice
enhanced
dissimilarity
affecting
pH,
ammonium
nitrogen,
nitrate
nitrogen.
Rare
β-diversity
exhibited
stronger
positive
relationships
(both
average
multi-threshold
approaches)
compared
corresponding
Furthermore,
under
different
closely
related
operational
taxonomic
units,
Chloroflexi.
Our
results
emphasize
disparate
feedbacks
diverse
practices,
as
well
important
connection
between
Functional Ecology,
Год журнала:
2024,
Номер
38(10), С. 2207 - 2219
Опубликована: Авг. 12, 2024
Abstract
Organic
management
enhances
the
formation
of
distinct
and
stable
soil
microbial
communities,
however,
its
influence
on
temporal
recovery
microbiome
multifunctionality
sterilized
remains
poorly
understood.
We
used
amplicon
sequencing
metagenomic
to
investigate
effects
communities
in
long‐term
organic
conventional
managed
soils
restoring
functionality.
calculated
at
days
30
90
recolonization
using
averaging
approach.
Results
showed
that
(O)
significantly
increased
alpha
diversity,
niche
width
network
complexity
community
compared
(C).
The
with
suspension
were
recolonization.
Soil
inoculated
(OO)
was
14.6%
70.6%
higher
than
rest
treatments.
Macrogenomic
analysis
revealed
O
enriched
functional
pathways
ABC
transporters,
carbon
metabolism,
biosynthesis
amino
acids,
two‐component
nitrogen
metabolism
as
well
most
genes
for
degradation,
fixation,
cycling
phosphorus
cycles
C.
These
also
day
Furthermore,
width,
complexity,
correlated
positively
multifunctionality.
Synthesis
applications
.
Our
results
emphasize
importance
induced
changes
functionality
promoting
losses,
providing
theoretical
basis
sustainable
impact
agronomic
production
function.
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