Soil bacterial community composition is altered more by soil nutrient availability than pH following long-term nutrient addition in a temperate steppe
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Сен. 13, 2024
Although
aboveground
biodiversity
has
been
extensively
studied,
the
impact
of
nutrient
enrichment
on
soil
microbial
populations
remains
unclear.
Soil
microorganisms
serve
as
important
indicators
in
shaping
cycling
processes
and
are
typically
sensitive
to
additions.
For
this,
we
employed
a
factorial
combination
design
examine
additions
composition
function
bacteria
temperate
steppe.
Nitrogen
addition
promoted
growth
copiotrophic
(Proteobacteria,
Firmicutes,
Bacteroidota)
but
inhibited
oligotrophic
(Acidobacteria,
Chloroflexi,
Verrucomicrobiota).
Phosphorus
alleviated
phosphorus
deficiency,
resulting
decrease
abundance
phoD-harboring
(Actinobacteria
Proteobacteria).
Significant
enhancement
bacterial
alpha
diversity
was
observed
only
treatments
with
added
phosphorus.
Changes
NO
Язык: Английский
Phosphorus fertilizer responsive bacteria and fungi in canola (Brassica napus L.) roots are correlated with plant performance
Plant and Soil,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
Язык: Английский
Five-year impacts of biomass crop monoculture on soil enzyme activity, nitrogen pools, and other soil health indicators
Biomass and Bioenergy,
Год журнала:
2025,
Номер
198, С. 107856 - 107856
Опубликована: Апрель 7, 2025
Язык: Английский
SOC sequestration, N and P retention in mineral soils depend on arbuscular mycorrhizal tree dominance and soil microbial traits
Qianru Ji,
Qi Li,
Yanbo Yang
и другие.
Applied Soil Ecology,
Год журнала:
2025,
Номер
211, С. 106136 - 106136
Опубликована: Апрель 23, 2025
Язык: Английский
Phosphorus fertilizer responsive bacteria and fungi in canola (Brassica napus L.) roots are correlated with plant performance
Опубликована: Сен. 12, 2024
Abstract
Background
Canola
(
Brassica
napus
L.)
has
high
phosphorus
demand,
but
its
seedlings
are
sensitive
to
seed-placed
fertilizers.
Optimizing
fertilizer
managements
(rates
and
placements)
for
canola
is
critical
can
be
aided
by
a
better
understanding
of
the
root-associated
microbiome,
as
it
plays
key
roles
in
improving
availability
through
mineralization
solubilization.
Methods
We
conducted
two-year
field
experiment
applying
monoammonium
phosphate
fertilizers
at
three
rates
(no
addition,
recommended,
0,
17,
32
kg
P
ha
−
1
year
−
1)
using
two
opener
placements
(narrow
2.5
cm
vs.
wide
10
cm)
which
affect
seedbed
concentration
phosphorus.
performance
was
evaluated,
rhizosphere
root
bacterial
fungal
microbiomes
were
profiled
DNA
amplicon
sequencing.
Results
High-rate
near-seed
placement
(32
opener)
consistently
reduced
seedling
emergence
not
biomass
yield,
higher
2020
than
2019.
Yearly
variations
plant
growth
stages
impacted
both
microbiomes,
while
fertilization
only
affected
microbiome.
Specifically,
enriched
genera
Burkholderia-Caballeronia-Paraburkholderia,
Luteibacter,
Amaurodon,
Trichoderma,
Penicillium.
Conversely,
Chryseobacterium,
Chitinophaga,
Flavobacterium
Olpidium
more
prevalent
roots
without
addition.
yield
positively
correlated
with
abundance
Burkholderia-Caballeronia-Paraburkholderia
Trichoderma
roots.
Conclusions
Phosphorus
germination
seed
yield.
Profiling
phosphorus-responsive
bacteria
fungi
suggests
that
have
lasting
impact
on
modulating
responses
soil
availability.
Язык: Английский
Soil Nutrient Profiles in Three Types of Rocky Fissure Network Habitats of Typical Karst Formations in China: A Maolan World Heritage Perspective
Forests,
Год журнала:
2024,
Номер
15(12), С. 2101 - 2101
Опубликована: Ноя. 27, 2024
Amid
global
desertification,
this
study
investigates
karst
ecosystems;
analyzing
soil’s
physiological
and
ecological
properties
within
intricate
fissure
networks
supporting
plant
root
growth.
This
soil
nutrients
in
three
types
of
rocky
network
habitats
Maolan,
through
field
surveys
experimental
measurements.
Significant
variability
was
found
across
habitats.
The
quantities
organic
carbon,
total
nitrogen,
available
phosphorus,
potassium
were
highest
Type
I
soil,
followed
by
III;
lowest
II.
Total
phosphorus
III,
intermediate
I,
II;
while
content
moderate
II,
I.
Based
on
nutrient
participation
C,
N,
P,
K
cycles,
had
the
levels,
III
II
levels;
potassium-related
III.
ratios
C/K,
N/K,
P/K,
N/P
C/N
I;
C/P
A
comprehensive
evaluation
ranked
as
best,
moderate,
worst.
Key
factors
such
average
trace
length,
areal
density,
integration
significantly
influence
impacting
humus
storage,
growth
space
for
roots
Additionally,
orientation
fissures
primarily
impacts
cycling,
both
angles
lacunarity
affect
stoichiometric
nutrients.
Rocky
habitat
characterize
quality.
comparison
existing
studies
reveals
differences
between
non-karst
regions.
Effective
restoration
areas
requires
targeted
strategies
that
consider
specific
attributes
different
enhances
understanding
forest
ecosystems
proposes
new
approaches
combating
desertification.
Язык: Английский