Applied Soil Ecology,
Год журнала:
2024,
Номер
199, С. 105414 - 105414
Опубликована: Апрель 18, 2024
Phosphorus
(P)
is
a
finite
and
pivotal
resource
in
determining
plant
yield.
Intercropping
with
legumes
frequently
proposed
to
improve
P
nutrition
many
crops
such
as
wheat,
the
greater
yield
uptake
observed
are
mostly
attributed
legumes'
root
exudation
of
organic
acids
phosphatases,
which
modify
rhizosphere
chemistry.
The
same
modification
drives
selection
specific
bacterial
communities
by
providing
carbon
sources
other
metabolites.
This
study
aimed
further
understand
influence
bioavailability
on
community
whether
this
can
be
extended
through
intercropping.
Pea,
lupin
wheat
were
grown
intercrops
sole
at
four
levels
availability.
was
achieved
using
low-P
soil
from
long-term
experiment
Rothamsted
Research,
amended
available
low-available
forms
P.
After
62
days
growth,
16S
rRNA
gene
amplicon
sequencing
performed
samples,
acid
alkaline
phosphomonoesterase
(PME)
activity
measured.
species
main
factor
structure
followed
When
unavailable
or
depleted,
legume
monoculture
well
intercropping,
associated
reduced
richness
diversity,
partly
explained
an
increased
relative
abundance
Variovorax,
Pseudomonas
Bradyrhizobium
spp.
complexity
interconnections
intercropping
when
PME
activity,
while
more
affected
plant.
In
conclusion,
generate
complex
interconnected
root-associated
community,
potentially
contribute
facilitation
uptake.
Agriculture,
Год журнала:
2024,
Номер
14(2), С. 288 - 288
Опубликована: Фев. 10, 2024
Phosphorus
(P)
is
a
vital
macronutrient
crucial
for
crop
productivity.
Plants
absorb
P
salts,
mainly
orthophosphate,
from
the
soil,
yet
primary
source
resides
in
organic
materials.
Acid
and
alkaline
phosphatases
(the
predominant
forms
of
soil
phosphomonoesterases
(APases))
are
alleviating
deficiency
plants
play
role
releasing
materials
via
hydrolysis.
Our
aim
was
to
summarize
direction
relationship
between
variety
influential
factors
on
acid
phosphatase
activity
agricultural
lands
identify
gaps
knowledge.
findings
indicate
strong
linkage
both
APases
pH,
positively
influenced
by
clay
content,
matter,
microbial
biomass
carbon,
nitrogen.
Adopting
healthy
practices
like
balanced
fertilizer
usage,
optimal
water
levels,
reduced
tillage,
rotation,
using
beneficial
plant
microbes
help
boost
APase
activity.
However,
connection
productivity
remains
uncertain
due
insufficient
research
this
area.
We
identified
knowledge
relation
meso-macrofauna,
alongside
essential
nutrients
such
as
potassium,
nutrient
ratios,
synergistic
effects
various
response.
Understanding
rapid,
efficient
assimilation
through
plant-soil
and/or
plant-microbiota
ecosystem
it
can
be
yields.
Biogeosciences,
Год журнала:
2025,
Номер
22(1), С. 135 - 151
Опубликована: Янв. 10, 2025
Abstract.
Water-extractable
colloids
(WECs)
serve
as
crucial
micro-particulate
components
in
soils,
playing
a
vital
role
the
cycling
and
potential
bioavailability
of
soil
phosphorus
(P).
Yet,
underlying
information
regarding
P
species
P-transformation
microorganisms
at
microparticle
scale
under
long-term
straw
retention
mineral
fertilization
is
barely
known.
Here,
fixed
field
experiment
(∼
13
years)
Vertisol
was
performed
to
explore
impacts
on
inorganic
P,
organic
bulk
soils
WECs
through
sequential
extraction
procedure,
K-edge
X-ray
absorption
near-edge
structure
(XANES),
31P
nuclear
magnetic
resonance
(NMR),
metagenomics
analysis.
In
soil,
led
increases
levels
total
available
acid
phosphatase
(ACP),
high-activity
fractions
(Ca2-P,
Ca8-P,
Al-P,
Fe-P),
(orthophosphate
monoesters
orthophosphate
diesters)
but
significantly
decreased
abundances
P-cycling
genes
including
mineralization,
P-starvation
response
regulation,
uptake
transport
by
decreasing
pH
increasing
P.
Straw
had
no
significant
effects
carbon,
concentrations
WECs.
Furthermore,
compared
with
fertilization,
caused
greater
differences
relative
between
soils.
The
phoD
gene
phoD-harboring
Proteobacteria
increased
retention,
suggesting
that
P-mineralizing
capacity
increased.
Thus,
reduced
microbial
P-solubilizing
mineralizing
soil.
could
potentially
accelerate
turnover,
mobility,
availability
nutrient
contents
microscopic
colloidal
scale.
