Abstract.Fertilised
soils
are
a
significant
source
of
nitrous
oxide
(N2O),
highly
active
greenhouse
gas
and
stratospheric
ozone
depleter.
Nitrogen
(N)
fertilisers,
while
boosting
crop
yield,
also
lead
to
N2O
into
the
atmosphere,
impacting
global
warming.
We
investigated
relationships
between
mineral
N
fertilisation
rates
additional
manure
amendment
with
different
types
through
analysis
abundances
cycle
functional
genes,
soil
N2
emissions,
nitrogen
use
efficiency
(NUE),
physicochemical
biomass
production.
Our
study
indicates
that
emissions
predominantly
dependent
on
rate
enhance
increased
rate.
Higher
were
attained
application
manure.
Manure
number
genes
in
change
N2O.
Contrary
our
hypothesis,
there
was
no
influence
type
emissions.
The
indicated
dominance
nitrification
over
denitrification
soil.
Microbial
analyses
showed
potential
role
comammox
DNRA
processes
as
did
not
find
moisture
be
significantly
linked
Results
provide
evidence
for
wheat,
80
kg
ha−1
is
closest
optimal
balancing
achieving
high
NUE.
Sorghum
cultivation
temperate
climate,
sorghum
maintained
low
losses
ha−1.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(14)
Published: Jan. 19, 2023
Abstract
Monitoring
nitrogen
utilization
efficiency
and
soil
temperature
in
agricultural
systems
for
timely
intervention
is
essential
crop
health
with
reduced
environmental
pollution.
Herein,
this
work
presents
a
high‐performance
multi‐parameter
sensor
based
on
vanadium
oxide
(VO
X
)‐doped
laser‐induced
graphene
(LIG)
foam
to
completely
decouple
oxides
(NO
)
temperature.
The
highly
porous
3D
VO
‐doped
LIG
composite
readily
obtained
by
laser
scribing
sulfide
(V
5
S
8
block
copolymer
phenolic
resin
self‐assembled
films.
heterojunction
formed
at
the
LIG/VO
interface
provides
enhanced
response
NO
an
ultralow
limit
of
detection
3
ppb
(theoretical
estimate
451
ppt)
room
also
exhibits
wide
range,
fast
response/recovery,
good
selectivity,
stability
over
16
days.
Meanwhile,
can
accurately
detect
linear
range
10–110
°C.
encapsulation
soft
membrane
further
allows
sensing
without
being
affected
.
unencapsulated
operated
elevated
removes
influences
relative
humidity
variations
accurate
measurements.
capability
loss
paves
way
development
future
multimodal
decoupled
electronics
precision
agriculture
monitoring.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 16, 2025
Excessive
utilization
of
chemical
fertilizers
degrades
the
quality
medicinal
plants
and
soil.
Bio-organic
(BOFs)
including
microbial
inoculants
microalgae
have
garnered
considerable
attention
as
potential
substitutes
for
fertilizer
to
enhance
yield.
In
this
study,
a
field
experiment
was
conducted
investigate
effects
BOF
partially
substituting
on
growth
plant
Polygala
tenuifolia.
The
parameters,
bioactive
component
contents,
soil
properties
composition
rhizosphere
microorganisms
were
measured.
results
indicated
that
40%
with
showed
most
pronounced
growth-promoting
effect,
leading
29.30%
increase
in
underground
biomass
19.72%
3,6'-disinapoylsucrose
(DISS)
content.
Substituting
20%
improved
quality,
significantly
increasing
organic
matter
content
by
15.68%
(p<0.05).
Microalgae
addition
affected
bacterial
community
P.
tenuifolia,
reducing
relative
abundance
Cladosporium
33.33%
57.93%,
while
Chloroflexi
31.06%
38.27%,
under
reduction,
respectively.
positively
correlated
both
DISS
(p<0.05),
indicating
may
stimulate
species
associated
carbon
cycling,
thereby
enhancing
fertility,
nutrient
absorption,
ultimately
increased
accumulation
production
components
addition,
there
no
significant
difference
contents
between
reduced
dosage
combined
solid
inoculant
(SMI)
polyglutamic
(PMI),
compared
100%
fertilizer.
Correlation
analysis
revealed
PMI
could
phosphorus
availability
through
Streptomyces
recruitment.
conclusion,
our
findings
demonstrated
bio-organic
can
substitute
improve
microorganisms,
This
provides
theoretical
basis
productivity
reduction.
Plants,
Journal Year:
2025,
Volume and Issue:
14(6), P. 961 - 961
Published: March 19, 2025
Climate-change-induced
temperature
fluctuations
pose
significant
threats
to
global
rice
production,
particularly
through
their
impact
on
photosynthetic
efficiency.
The
differential
mechanisms
by
which
low
and
high
temperatures
affect
leaf
processes
in
remain
poorly
understood.
Here,
we
investigate
the
effects
of
stress
(15
°C,
30
45
°C)
performance
across
a
gradient
nitrogen
supply
levels:
(LN),
medium
(MN),
(HN).
exhibited
stronger
negative
impacts
photosynthesis
than
temperature,
primarily
increased
mesophyll
limitation
disrupted
cellular
CO2
diffusion,
while
showed
less
pronounced
effects,
under
HN
MN
conditions.
While
use
efficiency
(PNUE)
decreased
with
increasing
optimal
moderate
maintained
PNUE
stress,
suggesting
that
balanced
level
is
crucial
for
maximizing
both
capacity
Plants
adequate
higher
intrinsic
water
(iWUE)
extremes
improved
coordination
between
uptake
loss.
Our
findings
reveal
distinct
underlying
low-
high-temperature
highlight
importance
optimizing
management
enhancing
crop
resilience
climate
change.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(3)
Published: May 1, 2024
Abstract
The
application
of
protein
hydrolysates
(PH)
biostimulants
is
considered
a
promising
approach
to
promote
crop
growth
and
resilience
against
abiotic
stresses.
Nevertheless,
PHs
bioactivity
depends
on
both
the
raw
material
used
for
their
preparation
molecular
fraction
applied.
present
research
aimed
at
investigating
mechanisms
triggered
by
applying
PH
its
fractions
plants
subjected
nitrogen
limitations.
To
this
objective,
an
integrated
transcriptomic‐metabolomic
was
assess
lettuce
grown
under
different
levels
treated
with
either
commercial
Vegamin®
or
PH1(>10
kDa),
PH2
(1–10
kDa)
PH3
(<1
kDa).
Regardless
provision,
biostimulant
enhanced
biomass,
likely
through
hormone‐like
activity.
This
confirmed
modulation
genes
involved
in
auxin
cytokinin
synthesis,
mirrored
increase
metabolic
these
hormones.
Consistently,
upregulated
cell
wall
plasticity.
Furthermore,
accumulation
specific
metabolites
suggested
activation
multifaceted
antioxidant
machinery.
Notwithstanding,
stress‐response
transcription
factors
detoxification
processes
observed.
coordinated
action
entities
might
underpin
increased
nitrogen‐limiting
conditions.
In
conclusion,
integrating
omics
techniques
allowed
elucidation
mechanistic
aspects
underlying
crops.
Most
importantly,
comparison
showed
that,
except
few
peculiarities,
effects
induced
were
equivalent,
suggesting
that
highest
ascribable
lightest
fraction.
Soil Biology and Biochemistry,
Journal Year:
2023,
Volume and Issue:
189, P. 109273 - 109273
Published: Dec. 8, 2023
In
agricultural
soils,
nitrogen
(N)
fertilizer
is
typically
applied
as
ammonium
salts
or
urea,
and
undergoes
microbially
mediated
oxidation.
However,
insights
regarding
substrate
concentrations
nitrifiers
are
exposed
to
in
the
zones
immediately
surrounding
N
granules
remain
unexamined,
well
how
this
affects
activity
inhibition
of
nitrifier
groups
adapted
different
ranges
ammonia
(NH3)
concentrations.
To
examine
millimeter
scale
changes
soil
chemistry
after
sub-surface
granule
application
with
high
spatiotemporal
resolution,
we
a
newly
developed
NH3
pH
planar
optical
sensor
(optode)
system.
With
system,
visualized
situ
subsurface
production,
diffusion,
associated
shifts
an
following
(from
5
min
up
65.5
h)
chloride
(NH4Cl)
urea
laboratory
study.
Ammonia
from
both
NH4Cl
diffused
1.5
2
cm
reached
maximum
>49
>130
ppmv,
respectively.
Spatially
informed
destructive
subsampling
(0.5–2
granules)
revealed
that
nitrate
accumulation
was
greatest
closest
(0.5–1
cm)
granules,
while
nitrite
not
detected.
contrast,
resulted
accumulation,
highest
detected
furthest
(1.5–2
granules.
Urea
hydrolysis
also
caused
significant
localized
increase,
circular
elevated
zone
migrating
outwards
leaving
decreased
at
center.
Transcription
ammonia-oxidizing
bacterial
amoA
gene
areas
there
were
no
differences
transcription
increasing
distance
Ammonia-oxidizing
archaea
comammox
transcripts
This
study
first
directly
visualize
small-scale
concentration
relate
these
nitrification
activity.
SOIL,
Journal Year:
2025,
Volume and Issue:
11(1), P. 1 - 15
Published: Jan. 3, 2025
Abstract.
Fertilised
soils
are
a
significant
source
of
nitrous
oxide
(N2O),
highly
active
greenhouse
gas
and
stratospheric
ozone
depleter.
Nitrogen
(N)
fertilisers,
while
boosting
crop
yield,
also
lead
to
N2O
emissions
into
the
atmosphere,
impacting
global
warming.
We
investigated
relationships
between
mineral
N
fertilisation
rates
additional
manure
amendment
with
different
types
through
analysis
abundances
cycle
functional
genes,
soil
N2
emissions,
nitrogen
use
efficiency
(NUE),
physicochemical
biomass
production.
Our
study
indicates
that
predominantly
dependent
on
rate
enhance
an
increased
rate.
Crop
type
has
impact
emissions.
Higher
were
attained
application
in
comparison
fertilisation.
Manure
number
genes
variations
N2O.
The
mainly
related
nitrification
soil.
Quantification
showed
potential
role
denitrification,
comammox
(complete
ammonia
oxidation)
dissimilatory
nitrate
reduction
ammonium
(DNRA)
processes
as
did
not
find
moisture
be
significantly
linked
results
provide
evidence
that,
for
wheat,
80
kg
ha−1
is
closest
optimal
balancing
yield
achieving
high
NUE.
Sorghum
good
cultivation
temperate
climates,
it
similar
compared
other
but
maintained
low
losses
ha−1.
