Cybernetics and Computer Technologies,
Journal Year:
2024,
Volume and Issue:
3, P. 87 - 95
Published: Sept. 24, 2024
Many
biological
objects
have
the
ability
to
fluoresce
under
influence
of
electromagnetic
radiation
in
optical
range.
Measuring
fluorescence
a
object
helps
obtain
information
about
its
internal
state.
Therefore,
creation
instruments
for
scientific
research
field
studying
has
been
pressing
task
many
areas
human
activity
years.
In
particular,
these
are
such
as
agriculture,
ecology,
food
industry
and
medicine.
This
article
is
devoted
description
recently
developed
“FLS
10s”
device
plant
chlorophyll
fluorescence,
well
software
operating
analyzing
obtained.
provides
data
known
OJIP
test.
Keywords:
fluorometer,
measurement,
Kautsky
effect,
test,
induction,
fast
α
induction.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(5), P. 408 - 408
Published: April 22, 2025
The
transformation
of
abundant
and
cost-effective
CO2
molecules
into
valuable
chemical
feedstocks
or
fuels
represents
an
appealing
yet
challenging
research
objective.
Artificial
photosynthesis
offers
a
promising
pathway
for
reduction
reactions
(CO2RR)
under
mild
environmentally
friendly
conditions.
Graphitic
carbon
nitride
(g-C3N4)
has
attracted
significant
attention
its
potential
to
enhance
the
efficiency
selectivity
CO2RR
through
synthesis
modification
strategies.
This
review
explores
recent
advancements
in
g-C3N4
hybrid
photocatalysts
selective
conversions.
We
examine
key
factors
influencing
product
selectivity,
including
electron
count
reaction
dynamics,
intermediates
adsorption/desorption,
proton
regulation
affecting
competitive
hydrogen
evolution.
By
summarizing
various
strategies
photoreduction
performance,
this
work
provides
comprehensive
analysis
mechanisms
each
approach.
aims
inspire
endeavors
towards
developing
efficient
artificial
systems
enhanced
selectivity.
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(7), P. 730 - 730
Published: July 11, 2024
To
achieve
high-density
tomato
seedlings
in
a
plant
factory
with
artificial
lighting,
tomatoes
(Solanum
lycopersicum
Mill.
cv.
“Zhongza
NO.9”)
were
used
as
the
experimental
material.
This
study
expected
to
analyze
effects
of
light
intensity
(150,
200,
250,
and
300
μmol·m−2·s−1)
time
(12
14
h),
well
daily
integral
(DLI,
10.80,
12.60,
12.96
mol·m−2·d−1)
sowing
density
(50,
72,
105
holes
per
tray),
on
seedling
quality.
The
results
indicated
that
biomass
accumulation,
quality,
energy
use
efficiency
significantly
improved
an
increase
DLI.
At
DLI
mol·m−2·d−1,
sown
at
72
tray
exhibited
comparable
growth
characteristics
accumulation
those
50
tray.
However,
under
lower
DLIs,
displayed
superior
morphology
quality
compared
indicates
increasing
can
partially
mitigate
negative
higher
Light
(LUE)
(EUE)
not
different
between
but
than
Therefore,
optimizing
parameters
such
effectively
enhance
spatial
efficiency,
industrial
production.
Based
this
study,
mol·m−2·d−1
(achieved
μmol·m−2·s−1
12
h)
are
recommended
for
cultivating
high-quality
while
reducing
consumption.
Irrigation and Drainage,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
ABSTRACT
Water
scarcity
is
a
crucial
issue
that
reduces
plant
growth
and
yield
worldwide.
Chlorophyll
fluorescence
parameters,
which
are
associated
with
under
water
stress,
the
most
sensitive
parameters.
The
mitigation
of
stress
by
elevated
CO
2
(e[CO
])
chlorophyll
for
tomato
rare.
Tomato
plants
were
grown
in
controlled
environment
chambers
(CECs)
eight
treatments
environmental
conditions
two
growing
seasons:
autumn–winter
(
AW
)
2021
spring–summer
SS
2022.
four
irrigation
regimes
included
40%–50%
soil
holding
capacity
(WHC)
(I
1
),
60%–70%
WHC
80%–90%
3
100%
4
).
Eight
coupled
e[CO
]
(700
μmol·mol
−1
ambient
(a[CO
],
500
designed,
respectively:
I
a[CO
where
was
considered
control
treatment
(CK).
parameters
maximum
photochemical
efficiency
PSII
F
v
/F
m
Ф
electron
transport
rate
ETR
quenching
qP
significantly
decreased,
whereas
nonphotochemical
NPQ
increased
drought
stress.
Compared
CK,
reduction
14%
2021,
it
19%
reduced
13%–3%
13%–6%
2022,
respectively
(under
fixed
photosynthetically
active
radiation
range
125–625
μmol·m
−2
·s
compared
CK.
decreased
at
their
level
2022
respect
to
those
results
showed
mitigated
as
,
].
influential
assessed
via
principal
component
analysis
PCA
This
study
explained
approach
develop
crop
resilience
against
inducing
will
play
vital
role
sustainable
agriculture
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(11), P. 2798 - 2798
Published: Nov. 12, 2023
Drought
and
heat
stresses
are
severe
threats
to
crop
production
food
security
in
arid
semi-arid
regions
of
the
globe,
especially
during
summer.
This
study
investigates
effects
micro-spray
on
micro-climatic
physiological
characteristics
cucumber
tomato
plants
for
four
growing
seasons
(two
each
(cucumber:
2017
2018
tomato:
2021
2022)).
The
experiment
was
conducted
a
Venlo-type
greenhouse
where
were
irrigated
with
combined
drip
irrigation
(MSDI)
system
(1
min
(seven
times
day)
2
mins
(four
cucumber)
(DI).
Both
plants’
growth
parameters
recorded
at
end
experiment.
Moreover,
experimental
results
showed
that
plant
height
stem
diameter
increased
under
MSDI
all
seasons.
In
addition,
duration
decreased
average
daily
air
temperature
(Ta)
leaf
(T1)
by
0.8
°C
4.9
°C,
respectively,
relative
humidity
(RH)
4.3%.
However,
1
reduced
Ta
T1
0.76
4.6
but
increase
RH
(2.7%)
much
lower
than
single
min.
net
photosynthetic
rate
(Pn),
effective
quantum
yield
PSII
(ΦPSII),
stomatal
conductance
(Gs)
both
compared
DI.
A
K-means
analysis
could
eliminate
adverse
sunlight
stress
cucumbers
tomatoes.
18.9%
40.4%,
respectively.
fruit
weight
(2017)
(2021)
did
not
significantly
DI,
which
indicates
mitigated
stress,
prevented
flowers
from
being
burned,
number
fruits.
also
suggested
total
soluble
solids
tomatoes
no
significant
differences
(p
>
0.05)
between
two
treatments
conclusion,
can
be
an
appropriate
strategy
needs
climate
control
grown
greenhouses
hot
season.
Plants,
Journal Year:
2024,
Volume and Issue:
13(15), P. 2169 - 2169
Published: Aug. 5, 2024
Adding
far-red
(FR,
700-800
nm)
light
to
photosynthetic
active
radiation
(400-700
proved
be
a
possible
approach
increasing
plant
biomass
accumulation
for
lettuce
production
in
indoor
vertical
farms
with
artificial
lighting
as
sole-source
lighting.
However,
how
FR
addition
influences
growth,
development,
and
metabolic
processes
the
optimal
value
of
photon
flux
density
greenhouse-grown
under
sunlight
are
still
unclear.
This
work
aims
quantify
supplementary
different
intensities
on
morphological
physiological
characteristics
greenhouse.
Lettuce
'Dasusheng'
(
