Carbon Dot‐Based Smart Soil with Automatically Adjustable Porosity and Aggregate Size
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
With
the
world's
population
expanding
rapidly,
modern
agriculture
is
evolving
at
a
swift
pace,
leading
to
significant
increase
in
food
production,
primarily
through
use
of
chemical
fertilizers.
However,
this
heavy
reliance
on
fertilizers
has
led
issues
such
as
soil
compaction
and
decrease
earthworm
abundance.
Herein
study
reports
smart
consisting
conventional
carbon
dots
(CDot)
based
material
which
capable
automatically
adjusting
its
porosity
aggregate
size.
Due
responsiveness,
The
CDot‐based
can
lift
height
up
150%
upon
humidity
stimulation
due
increased
similar
effect
caused
by
earthworms.
Based
effect,
growth
rate
maize
seedlings
40%,
thus
showing
great
potentials
agriculture.
Язык: Английский
Responses of Seedling Growth and Physiological Characteristics of Perennial Species Sophora Alopecuroides L. To Warming and Nitrogen Deposition in Temperate Arid Habitats, China
Опубликована: Янв. 1, 2025
Global
warming
and
nitrogen
deposition,
undeniable
realities
for
ecosystems,
have
made
the
study
of
plant
responses
imperative.
Sophora
alopecuroides,
a
common
pernicious
native
invasive
species
in
temperate
desert
steppes
northwest
China's
arid
zone,
was
investigated.
Exploring
its
growth
physiological
response
characteristics
under
deposition
aids
understanding
invasion
mechanisms
ecological
safety
risk
assessments.
Nitrogen
addition
(N),
(W),
warming–nitrogen
synergistic
(WN)
treatments
were
established
comprehensive
exploration.
Compared
to
control,
W
WN
showed
no
significant
differences
germination
rate,
index,
potential,
while
N
significantly
reduced
seed
rate.
Moreover,
notably
increased
root-shoot
ratio,
stem
diameter
height
S.
alopecuroides;
conversely,
treatment
decreased
these
parameters
significantly.
Leaf
biomass
N,
number
leaves
compared
CK.
Both
aboveground
belowground
leaf
ratio
root-to-shoot
whereas
root
ratios
Additionally,
chlorophyll,
soluble
sugar,
protein
contents,
MDA
W.
nitrate
reductase
activity
significantly,
or
also
enzyme
activity.
However,
had
stronger
inhibitory
effect
on
SOD
In
conclusion,
warming,
nitrogen,
impacted
characteristics,
accumulation,
metabolism
providing
valuable
insights
into
impacts
guiding
effective
management
strategies.
Язык: Английский
Impact of High-Temperature Stress on Maize Seed Setting: Cellular and Molecular Insights of Thermotolerance
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(3), С. 1283 - 1283
Опубликована: Фев. 2, 2025
Global
warming
poses
a
significant
threat
to
crop
production
and
food
security,
with
maize
(Zay
mays
L.)
particularly
vulnerable
high-temperature
stress
(HTS).
This
review
explores
the
detrimental
impacts
of
elevated
temperatures
on
development
across
various
growth
stages,
analyzed
within
source–sink
framework,
particular
focus
seed
setting
yield
reduction.
It
provides
broad
analysis
cellular
molecular
responses
HTS,
highlighting
key
roles
plant
hormone
abscisic
acid
(ABA)
signaling,
calcium
chloroplast,
DNA
damage
repair
(DDR)
system
in
maize.
HTS
disrupts
ABA
signaling
pathways,
impairing
stomatal
regulation
reducing
water-use
efficiency,
while
orchestrates
by
activating
heat
shock
proteins
other
protective
mechanisms.
Chloroplasts,
as
central
photosynthesis,
are
sensitive
often
exhibiting
photosystem
II
chlorophyll
degradation.
Recent
studies
also
highlight
significance
DDR
system,
genes
like
ZmRAD51C
playing
crucial
maintaining
genomic
stability
during
reproductive
organ
development.
under
conditions
emerges
factor
contributing
reduced
set,
although
precise
mechanisms
remain
be
fully
elucidated.
Furthermore,
examines
cutting-edge
genetic
improvement
strategies,
aimed
at
developing
thermotolerant
cultivars.
These
recent
research
advances
underscore
need
for
further
investigation
into
basis
thermotolerance
open
door
future
advancements
breeding
crops.
Язык: Английский
Optimized Farmland Mulching Improves Rainfed Maize Productivity by Regulating Soil Temperature and Phenology on the Loess Plateau in China
Agronomy,
Год журнала:
2023,
Номер
13(11), С. 2790 - 2790
Опубликована: Ноя. 10, 2023
Owing
to
global
warming,
continuously
increasing
the
grain
yield
of
rainfed
maize
is
challenging
on
Loess
Plateau
in
China.
Plastic
film
mulching
has
been
extensively
utilized
dryland
agriculture
Plateau.
However,
higher
topsoil
temperatures
under
mulch
caused
rainfed-maize
premature
senescence
and
loss.
Here,
we
aimed
explore
influence
temperature
driven
by
novel
double
patterns
productivity
based
excellent
moisture
conservation
function
plastic
film.
A
field
experiment
was
conducted
two
different
areas,
namely
Changwu,
a
typical
semi-arid
area,
Yangling,
dry
semi-humid
area.
The
followed
randomized
block
design
with
three
replications.
Five
flat-planting
practices
were
examined
2021
2022:
(1)
bare
land
(CK),
(2)
transparent
(PFM),
(3)
black
(BFM),
(4)
PFM
polyethylene
net
(PFM
+
BN),
(5)
whole
stalks
ST).
Soil
hydrothermal
conditions,
growth
dynamics,
yield,
water
use
efficiency
(WUE),
economic
returns
quantified
practices.
Under
treatments,
lower
than
1.7–2.0
°C
at
sites
(p
<
0.05),
whereas
BFM
slightly
that
0.6–0.7
Yangling
>
0.05).
average
period
for
longer
8–11
days
sites.
Double
treatments
significantly
improved
leaf
area
index
(LAI),
chlorophyll
relative
content
(SPAD),
aboveground
biomass
compared
CK
during
late
stage.
Compared
PFM,
increased
14.93%,
18.46%,
16.45%
Changwu
0.05)
BFM,
BN,
ST,
respectively,
2.71%,
24.55%,
20.38%
Yangling.
corresponding
WUEs
also
increased.
Additionally,
income
other
there
no
significant
differences
between
ST
Changwu.
averaged
10.72–52.22%
its
output
value
19.51%
In
summary,
smallholder
farmers
can
adopt
improve
Язык: Английский
Nitrogen Application is Predicted to Alleviate the Effects of Climate Warming on Maize Yield Reduction and to Help Maintain the Dietary Supply of Wheat and Maize Protein
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
Increasing nitrogen application is predicted to alleviate the effects of climate warming on maize yield reduction and maintain the dietary supply of wheat and maize protein
European Journal of Agronomy,
Год журнала:
2024,
Номер
161, С. 127396 - 127396
Опубликована: Окт. 19, 2024
Язык: Английский
Air moisture harvesting in soil for indoor agriculture: A comparative study of moisture dynamics in shallow porous beds
Physics of Fluids,
Год журнала:
2024,
Номер
36(12)
Опубликована: Дек. 1, 2024
Indoor
farming
can
mitigate
water
scarcity,
declining
crop
yields,
and
excessive
chemical
use
in
agriculture.
However,
it
demands
innovative
solutions
to
reach
its
full
potential.
This
paper
presents
a
novel
indoor
plant
cultivation
technique
that
leverages
atmospheric
moisture.
Shallow
soil
bed
cooling
from
below
induce
condensation
within
the
pores,
providing
sustainable
source
for
growth.
We
tested
this
method
on
wheat
seed
cultivation,
observing
40%
growth
increase
seedlings
with
cooled
beds.
conducted
detailed
study
of
moisture
dynamics
porous
sand
beds
understand
underlying
mechanisms
technique.
Choosing
as
medium
isolated
effects
porosity,
temperature,
capillary
action
condensation.
Sand's
inertness
allows
concentrated
analysis
without
interference
reactions
or
microbial
activity.
Experiments
varying
particle
sizes
showed
levels
0.025,
0.042,
0.092
kg/kg
coarse,
fine,
superfine
over
11
days.
In
soil,
reached
0.124
22
days,
highlighting
impact
forces.
Our
findings
reveal
exponential
time
linear
relationship
between
content
specific
heat.
The
is
practical
adaptable,
especially
remote
locations
arid
regions,
renewable
energy
sources
power
it.
approach
could
revolutionize
agriculture,
particularly
controlled
environment
systems.
Controlling
temperature
optimize
conditions,
minimize
environmental
impact.
It
offers
versatility
scalability
various
crops
Язык: Английский