Agronomy,
Journal Year:
2025,
Volume and Issue:
15(3), P. 731 - 731
Published: March 18, 2025
The
application
of
phosphate
fertilizers
significantly
influences
soil
microbial
communities
and
nutrient
cycling.
Soil
enzymes,
which
are
sensitive
to
levels,
play
a
critical
role
in
metabolism.
However,
the
impact
on
limitations
within
metabolism
agricultural
soils
remains
poorly
understood.
In
this
study,
samples
were
collected
from
depth
0–20
cm
wheat
crop
subjected
three-year
field
experiment
with
six
different
phosphorus
(P)
rates.
β-glucosidase
(BG)
leucine
aminopeptidase
(LAP)
activities
highest
under
P3
(60
kg
P2O5
ha−1)
treatment
over
study
period.
responses
N-acetyl-β-glucosaminidase
(NAG)
alkaline
phosphatase
(AKP)
increasing
P
additions
varied
across
years.
EES
C:N,
C:P,
vector
length
greater
than
1.
characteristics
accounted
for
70.71%
variation
enzyme
stoichiometry.
angle
enzymes
explained
by
0.65
0.73,
respectively.
Among
these
factors,
ROC
exhibited
largest
direct
total
effect
angle.
These
research
findings
offer
valuable
insights
management
fertilizers.
Consequently,
it
is
recommended
enhance
carbon
levels
alleviate
improve
utilization
efficiency.
IOP Conference Series Earth and Environmental Science,
Journal Year:
2025,
Volume and Issue:
1449(1), P. 012137 - 012137
Published: Feb. 1, 2025
Abstract
Nursery
owners
suffer
from
slow
growth
of
olive
seedlings,
and
thus
production
costs
increase
until
they
are
ready
for
planting
in
a
sustainable
orchard.
Therefore,
this
study
aimed
to
add
biological
chemical
fertilization
seedlings
two
types
olives
the
purpose
improving
their
mineral
content.
The
experiment
included
factors,
first
nine
fertilizer
treatments
containing
15gm.
Seedling
−1
NPK
(20:20:20),
10g.Seedling
NPK+5g.Seedling
Biofertilizer
Gorabac
G,
5g.Seedling
NPK+10g.Seedling
2.5g.Seedling
+15g.
Seedlings
20g.
10g.
NPK+5ml.Seedlings
broth
form,
5g.Seedlings
NPK+10ml.Seedlings
In
2.5
gm.
+
15
ml.
20
biofertilizer
form.
second
factor
varieties
(Nabali
Sourani),
according
results
measured
at
end
experiment.
It
was
found
that
there
were
no
significant
differences
between
factors
(leaf
content
phosphorus,
potassium,
nitrogen,
protein,
dry
weight
root
system).
On
other
hand,
treatment
10
g.
seedling
5
form
superior
rest
terms
shoot,
as
well.
Nabali
variety
significantly
Sorani
values
trait.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(3), P. 660 - 660
Published: March 6, 2025
While
soil
responses
to
organic
and
inorganic
phosphorus
(P)
fertilizers
have
been
widely
studied,
plant
physiological
molecular
remain
insufficiently
characterized.
Such
an
understanding
is
necessary
develop
sustainable
P
fertilization
strategies
that
enhance
performance
in
soils
with
limitations.
This
study
investigated
the
impact
of
poultry
manure
(PM)
its
combination
phytase
enzyme
on
involved
use
efficiency
(PUE)
ryegrass
plants
growing
a
P-deficient
Andisol.
A
greenhouse
experiment
under
controlled
conditions
was
performed
evaluate
properties,
biomass,
uptake,
performance,
expression
transporters
following
treatments:
deficiency
(PD),
mineral
(F),
PM
alone,
combined
phytase.
The
enhanced
availability
by
60%
increased
activities
2.6-fold,
facilitating
mineralization
P.
resulted
63%
increase
shoot
concentration
35%
enhancement
biomass.
Additionally,
oxidative
stress
markers
decreased,
lipid
peroxidation
roots
reduced
up
five-fold,
while
antioxidant
activity
1.6-fold.
Molecular
analysis
revealed
transporter
gene
LpPHT1;4
upregulated
9.3-fold,
indicating
improved
capacity
for
acquisition
utilization.
These
findings
suggest
phytase-mediated
hydrolysis
activation
are
key
mechanisms
driving
uptake
soils.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(3), P. 731 - 731
Published: March 18, 2025
The
application
of
phosphate
fertilizers
significantly
influences
soil
microbial
communities
and
nutrient
cycling.
Soil
enzymes,
which
are
sensitive
to
levels,
play
a
critical
role
in
metabolism.
However,
the
impact
on
limitations
within
metabolism
agricultural
soils
remains
poorly
understood.
In
this
study,
samples
were
collected
from
depth
0–20
cm
wheat
crop
subjected
three-year
field
experiment
with
six
different
phosphorus
(P)
rates.
β-glucosidase
(BG)
leucine
aminopeptidase
(LAP)
activities
highest
under
P3
(60
kg
P2O5
ha−1)
treatment
over
study
period.
responses
N-acetyl-β-glucosaminidase
(NAG)
alkaline
phosphatase
(AKP)
increasing
P
additions
varied
across
years.
EES
C:N,
C:P,
vector
length
greater
than
1.
characteristics
accounted
for
70.71%
variation
enzyme
stoichiometry.
angle
enzymes
explained
by
0.65
0.73,
respectively.
Among
these
factors,
ROC
exhibited
largest
direct
total
effect
angle.
These
research
findings
offer
valuable
insights
management
fertilizers.
Consequently,
it
is
recommended
enhance
carbon
levels
alleviate
improve
utilization
efficiency.
