Biomolecules,
Год журнала:
2023,
Номер
13(10), С. 1540 - 1540
Опубликована: Окт. 18, 2023
In
the
agricultural
industry,
post-harvest
leafy
vegetable
quality
and
shelf
life
significantly
influence
market
value
consumer
acceptability.
This
study
examined
effects
of
different
storage
temperatures
on
leaf
senescence,
nitrogen
assimilation,
remobilization
in
Pak
Choi
(
Nitrogen,
Год журнала:
2024,
Номер
5(1), С. 106 - 143
Опубликована: Фев. 5, 2024
Nitrogen
(N)
is
the
most
limiting
nutrient
for
production
of
vegetable
crops,
but
anthropogenic
sources
pose
risks
due
to
its
transformation
into
several
reactive
forms
and
movement
throughout
environment.
The
bulk
N
research
date
improve
Use
Efficiency
(NUE)
has
followed
a
reductionist
factorial
approach
focused
on
synthetic
application
rates
crop
growth
response,
under
monocultures.
increased
adoption
diversified
cropping
systems,
organic
sources,
alternative
management
practices
makes
it
more
challenging
unravel
form
transformation,
movement,
uptake
dynamics,
in
time
space.
Here,
based
selected
review
recent
literature,
we
propose
holistic
highlight
key
variables
as
well
multilevel
system,
genetic,
environmental,
ecological,
socioeconomic
interactions
cycle
NUE.
best
strategies
NUE
include
both
inorganic
rate
calibration
studies,
germplasm
selection,
rotations,
identification
x
interactions,
pest
water
management.
Agroecological
that
may
vegetational
diversification
space,
integrated
crop–livestock
conservation
tillage,
amendment
inputs,
legume-based
landscape
Abstract
Plant
uptake
and
assimilation
of
essential
nitrogen
compounds
from
the
soil
are
mainly
in
form
nitrate
ammonium
ions.
transporters
(NRTs)
play
a
crucial
role
into
roots.
NRT
structural
analysis
reveals
mechanisms
by
which
these
function.
Similarly,
plant
(AMTs)
mediate
ions,
their
has
provided
valuable
information
on
mechanisms.
After
roots,
metabolism
pathway
involves
incorporation
organic
compounds.
Glutamine
synthetase
(GS)
glutamate
synthase
(GoGAT)
master
players
this
pathway.
They
work
together
to
convert
ions
glutamine
glutamate,
respectively.
Different
isoforms
GS
GoGAT
exist,
enabling
plants
fine-tune
based
environmental
cues.
Under
severe
abiotic
stress
conditions,
nitric
oxide
(NO)
been
found
enhance
survival
under
drought.
Furthermore,
interaction
between
salinity
availability
studied,
with
NO
identified
as
potential
mediator
responses
salt
stress.
On
other
hand,
excessive
use
fertilizers
can
lead
health
issues.
Therefore,
alternative
strategies,
such
establishing
fixation
through
diazotrophic
microbiota,
have
explored
reduce
reliance
synthetic
fertilizers.
Ultimately,
genomics
identify
new
genes
related
fixation,
could
be
harnessed
improve
productivity.
By
deciphering
genetic
basis
nitrogen-fixing
traits,
researchers
aim
develop
crops
that
efficiently
utilize
environment.
Biomolecules,
Год журнала:
2025,
Номер
15(2), С. 236 - 236
Опубликована: Фев. 7, 2025
Nitrate
(NO3)
and
nitrite
(NO2)
are
important
nitrogen
compounds
that
play
a
vital
role
in
the
cycle,
contributing
to
plant
nutrition
broader
ecological
functions.
Nitrates
produced
from
nitric
acid
(HNO3),
while
nitrites
come
nitrous
(HNO2).
These
substances
commonly
found
environment,
especially
food
water,
due
contamination
both
human
natural
sources.
Human
activities
major
contributors
high
levels
of
nitrates
leading
environmental
pollution.
Although
is
crucial
for
growth,
excessive
fertilizer
use
has
caused
disruptions.
In
plants,
tend
accumulate
primarily
leaves
non-leguminous
crops,
such
as
leafy
vegetables,
which
known
their
nitrate
content.
Furthermore,
added
animal-based
foods,
processed
meats
cheeses,
prevent
bacterial
slow
spoilage,
improve
flavor
color.
The
concentration
these
can
vary
different
factors
like
farming
practices,
climate,
soil
conditions,
production
methods.
This
review
seeks
examine
differences
between
plant-based
sources
assess
potential
impact
on
health,
considering
also
paradigm
goes
beyond
oxide
production.
International Journal of Plant Biology,
Год журнала:
2025,
Номер
16(1), С. 9 - 9
Опубликована: Янв. 9, 2025
This
article
presents
a
systematic
review
of
the
ecophysiological
mechanisms
underpinning
essential
role
plant-growth-promoting
microorganisms
(PGPMs)
in
improving
rice
yield
and
quality.
The
scientific
literature
is
thoroughly
reviewed,
highlighting
how
PGPMs
positively
influence
growth,
development,
health
plants.
Key
aspects,
such
as
nitrogen
fixation,
nutrient
solubilization,
hormone
production,
disease
resistance
induction,
are
emphasized.
Additionally,
technological
advancements
related
to
PGPM
use
analyzed,
including
identification
effective
strains,
formulation
enhanced
biofertilizers,
genetic
engineering.
concludes
that
represent
promising
tool
with
which
boost
sustainability
productivity
cultivation,
providing
robust
foundation
for
future
research
practical
applications
field
crucial
global
food
security.
Horticulturae,
Год журнала:
2025,
Номер
11(2), С. 185 - 185
Опубликована: Фев. 8, 2025
Echinophora
platyloba
DC.
(Apiaceae)
is
recognized
for
its
important
secondary
metabolites
and
antifungal
agents.
To
evaluate
the
effects
of
macronutrient
fertilizers
on
growth
parameters
essential
oils
yield
E.
platyloba,
a
study
was
conducted
in
2018
at
Shahrekord
University,
Iran.
The
treatments
included
individual
combined
application
nitrogen,
phosphorus,
potassium,
along
with
control
groups.
results
revealed
that
nitrogen
significantly
influenced
biomass
accumulation
stems,
leaves,
inflorescences,
phosphorus-treated
plants
showing
notable
increase
leaf
weight.
Compared
to
positive
control,
phosphorus
increased
oil
by
488%,
while
enhanced
165%.
primary
compounds
identified
(E)-β-ocimene,
(E)-sesquilavandolol,
β-pinene,
percentages
ranging
between
21.3–32.1%,
14.1–42.0%,
2.0–8.8%,
respectively.
levels
γ-decalactone,
spathulenol
were
found
be
higher
potassium
than
nitrogen.
In
contrast,
limonene,
linalool,
geraniol,
(E)-sesquilavandulol
concentrations
greater
treatment
compared
treatments.
conclusion,
fertilization
can
substantially
other
treatments,
potentially
enhancing
production
per
unit
area,
which
supports
farmers’
income
helps
prevent
degradation
this
species
natural
habitats.
Agronomy,
Год журнала:
2024,
Номер
14(3), С. 508 - 508
Опубликована: Фев. 29, 2024
In
alpine
meadows,
plants
and
soil
microbes
typically
engage
in
competition
for
nitrogen
(N)
under
N-deficient
conditions.
However,
the
acquisition
distribution
of
N
among
meadow
degradation
climate
warming
induced
by
global
change
are
still
uncharacterized.
this
study,
we
isotope
labeled
inorganic
(NH4+-15N,
NO3−-15N)
organic
(glycine-15N)
both
degraded
non-degraded
plots
using
open-top
chambers
(OTC)
to
mimic
increasing
air
temperatures.
After
6
h,
15N
contents
were
measured
investigate
effects
rising
temperature
on
allocations
ecosystems
studied.
Results
showed
that
significantly
reduced
microbial
accumulation
52%
compared
those
plots.
plots,
lowered
levels
49%,
whereas
ones,
it
NH4+-15N
NO3−-15N
recovery
80%
45%
average
but
increased
glycine-15N
653%.
Meanwhile,
decreased
plant
75%
Conversely,
markedly
40%
114%.
Warming
mitigates
allocation
plants.
unwarmed
elevated
total
ratio
60%.
warmed
impact
was
reduced.
The
responses
temperatures
closely
related
quality.
areas,
enhanced
165%
66%.
66%
232%.
This
indicates
can
increase
carbon
limitation
restoration
meadows
should
prioritize
restoring
accumulation.
Agronomy,
Год журнала:
2025,
Номер
15(2), С. 289 - 289
Опубликована: Янв. 24, 2025
The
soil
used
for
the
field
experiment
was
PLb-g4
Endohipogleyic
Eutric
Planasol.
research
aimed
to
investigate
effects
of
different
nitrogen
fertilisation
rates
and
biological
preparations
on
yield
structure
elements
partial
factor
productivity
in
maize
(Zea
mays
L.)
grown
grain
production.
factors
studied
were
Factor
A—nitrogen
(N)
fertiliser
rates:
(1)
100
kg
ha−1,
(2)
140
(3)
180
B—use
biofertilisers:
no
(BP)
used,
preparation
(AB)—nitrogen
bacteria
Paenibacillus
polymyxa
(1.0
L
ha−1),
(AB
+
C)—nitrogen
ha−1)
cytokinin,
(4)
H)—nitrogen
humic
acids.
showed
that
significantly
increased
not
only
by
increasing
but
also
using
preparations.
highest
(11.5
t
obtained
2020
N180
fertilisation,
combination
with
AB
H.
In
all
cases,
their
combinations
compared
control
(no
use
BP).
N
weight
1000
grains
thus
per
plant.
plant
(154.6
g)
most
positive,
strong,
very
statistically
significant
correlations
observed
between
indicators
studied:
r
=
0.76–0.94
(p
<
0.01,
p
0.05).
No
correlation
found
number
cob
>
(92.0
kg−1
N)
N100
Increasing
resulted
a
decrease
fertiliser.
Sensors,
Год журнала:
2025,
Номер
25(5), С. 1431 - 1431
Опубликована: Фев. 26, 2025
In
this
work,
the
development
of
screen-printed
electrodes
modified
with
chitosan-coated
magnetite
nanoparticles
(CTS@Fe3O4/SPGNE)
for
simultaneous
determination
nitrite
(NO2−)
and
ascorbic
acid
(AA−)
is
presented.
The
study
investigated
various
ratios
graphene
to
(CTS@Fe3O4),
as
well
optimal
pH.
These
factors
were
examined
due
their
impact
on
selectivity
sensitivity
analysis.
results
indicated
that
a
paste
CTS@Fe3O4
ratio
16:1.0
g
pH
4
analysis
both
NO2−
AA−.
Additionally,
behavior
proposed
electrode,
its
analytical
performance,
interference
studies
thoroughly
examined.
Furthermore,
CTS@Fe3O4/SPGNE
electrode
shows
potential
AA−
in
hydroponics
fruit
juice
samples.
Horticulturae,
Год журнала:
2025,
Номер
11(3), С. 252 - 252
Опубликована: Фев. 26, 2025
Nitrogen,
an
indispensable
macronutrient,
significantly
affects
the
appearance,
quality,
and
yield
of
grapes
(Vitis
vinifera).
Adequate
nitrate
uptake
intracellular
transport,
facilitated
primarily
by
transport
(NRT)
proteins,
are
crucial
for
maintaining
nutritional
balance.
However,
there
no
reports
on
NRT
gene
family
in
grapes.
In
this
study,
we
identified
53
Nitrate
Transporter
1/Peptide
Family
(NPF),
3
transporter
2
(NRT2),
1
Assimilation-Related
(NAR2)
genes
grapevine
Pinot
Noir
PN40024
genome.
A
comprehensive
analysis
these
families,
including
their
physicochemical
properties,
structural
organization,
chromosomal
distribution,
collinearity,
cis-acting
element
phylogenetic
relationships,
revealed
rich
diversity
evolutionary
conservation
genes.
Furthermore,
expression
profiles
VvNRTs
different
tissues
demonstrated
that
possess
spatio-temporal
specificity.
The
patterns
were
examined
transcriptome
sequencing
grapevines
across
various
under
nitrogen-deficiency
conditions.
leaves
conditions
showed
upregulation
VvNPF2.3
nitrogen
deficiency.
This
was
strongly
associated
with
a
62.2%
reduction
indole-3-acetic
acid
(IAA)
levels
21.3%
increase
hydrogen
peroxide
(H2O2)
levels,
suggesting
complex
regulatory
response
to
nitrogen-induced
stress.
These
findings
emphasize
potential
involvement
adaptive
reaction
deficiency
set
stage
future
investigations
into
molecular
mechanisms
transportation
grapevines.
Sustainability,
Год журнала:
2025,
Номер
17(6), С. 2610 - 2610
Опубликована: Март 16, 2025
Excessive
N
loss
through
leaching
and
volatilization
is
a
major
concern
in
modern
agriculture,
reducing
use
efficiency,
groundwater
contamination,
environmental
degradation.
To
address
these
issues,
this
research
evaluates
the
impact
of
fertilizers
containing
nitrification
inhibitors
(NIs),
which
restrict
conversion
ammonium
(NH4+)
into
nitrate
(NO3−),
thereby
enhancing
retention
soil.
This
study
examines
effects
different
fertilizer
applications
on
yield
nutrient
dynamics
winter
barley
(Hordeum
vulgare
L.)
Field
experiments
were
conducted
to
compare
one-time
split
application
granular
ENSIN
(with
NIs)
DASA
(without
dynamics.
The
highest
grain
was
observed
with
single
(8.35
Mg.hm−2),
followed
by
divided
(7.97
both
significantly
outperforming
control
(no
N).
most
efficient
recorded
for
application,
yielding
27.4
kg
per
applied
N.
Agrochemical
analyses
assess
soil
NH4+
NO3−
content
throughout
vegetation
period,
lysimetric
methods
used
determine
losses.
results
highlight
potential
NIs
improve
uptake
reduce
loss,
enhance
sustainable
production.
Through
optimizing
strategies,
contributes
development
more
agricultural
practices
that
crop
while
minimizing
impacts,
particularly
runoff
contamination.