Agronomy,
Год журнала:
2023,
Номер
13(10), С. 2640 - 2640
Опубликована: Окт. 19, 2023
Optimizing
Cropping
patterns
is
important
for
the
improvement
of
regional
agricultural
economic
efficiency
and
sustainable
development.
However,
there
are
few
studies
on
sustainability
cropping
in
hilly
areas.
Here,
we
studied
four
new
three-maturing
a
typical
ecological
site
areas
southwest
China.
An
analytical
method
combining
evaluation
energy
value
analysis
was
used
to
evaluate
compare
model
traditional
model.
We
explored
construction
three-crop
suitable
area
improve
benefits
production
production.
To
solve
above
problems,
constructed
eight
classified
them
as
follows:
The
Traditional
Double
System:
T1,
oilseed
rape-summer
soybean;
T2,
maize;
T3,
wheat-summer
maize.
Triple
T4,
wheat/spring
maize/summer
soybean.
Novel
T5,
forage
rape-spring
T6,
maize/peanut;
T7,
potato-spring
T8,
results
study
showed
that
compared
with
System
System,
increased
yield
by
an
average
100.39%
49.18%,
capacity
71.32%
36.48%,
biological
12.53%
4.90%,
13.59%
5.80%.
were
significantly
improved,
profits
CNY
9068
·hm−2
7533
System.
further
revealed
characteristics
high
input
output
inputs
6.56%
4.25%,
outputs
13.69%
4.27%
respectively.
This
level
stems
mainly
from
significant
increase
labor
inputs.
Meanwhile,
energy-value
indicator
shows
its
lower
dependence
natural
resources,
greater
intensification,
system
stability.
As
result,
higher
capacity.
In
summary,
this
can
provide
theoretical
basis
optimizing
promoting
high-yield
development
agriculture.
Photonics,
Год журнала:
2024,
Номер
11(2), С. 129 - 129
Опубликована: Янв. 30, 2024
The
quality
and
safety
of
edible
vegetable
oils
are
closely
related
to
human
life
health,
meaning
it
is
great
significance
explore
the
rapid
detection
methods
pesticide
residues
in
oils.
This
study
explored
applicability
potential
substrate-assisted
laser-induced
breakdown
spectroscopy
(LIBS)
for
quantitatively
determining
fenthion
soybean
First,
we
impact
laser
energy,
delay
time,
average
oil
film
thickness
on
spectral
signals
identify
best
experimental
parameters.
Afterward,
analyzed
samples
using
these
optimized
conditions
developed
a
full-spectrum
extreme
learning
machine
(ELM)
model.
model
achieved
prediction
correlation
coefficient
(RP2)
0.8417,
root
mean
square
error
(RMSEP)
167.2986,
absolute
percentage
(MAPEP)
26.46%.
In
order
enhance
performance
model,
modeling
method
Boruta
algorithm
combined
with
ELM
was
proposed.
employed
feature
variables
that
exhibit
strong
content.
These
selected
were
utilized
as
inputs
RP2,
RMSEP,
MAPEP
Boruta-ELM
being
0.9631,
71.4423,
10.06%,
respectively.
Then,
genetic
(GA)
used
optimize
parameters
GA-Boruta-ELM
0.9962,
11.005,
1.66%,
findings
demonstrate
exhibits
excellent
capability
effectively
predicts
contents
samples.
It
will
be
valuable
LIBS
quantitative
analysis
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(6), С. 3235 - 3235
Опубликована: Март 12, 2024
Bacillus
megaterium
is
particularly
known
for
its
abundance
in
soils
and
plant
growth
promotion.
To
characterize
the
metabolites
excreted
by
this
specie,
we
performed
successive
liquid/liquid
extractions
from
bacteria
culture
medium
with
different
polarity
solvents
(cyclohexane,
dichloromethane,
ethyl
acetate
butanol)
to
separate
groups.
The
extracts
were
characterized
regarding
their
total
phenolic
content,
amount
of
reducing
sugar,
concentration
primary
amines
proteins,
chromatographic
profile
HPLC-DAD-ELSD
chemical
identification
GC-MS.
Among
75
compounds
which
are
produced
bacteria,
19
identifications
first
time
found
as
B.
23
described
genus.
containing
showed
interesting
agronomic
activity,
a
global
inhibition
seed
germination
rates
soya,
sunflower,
corn
ray
grass,
but
not
corn,
compared
alone.
Our
results
suggest
that
can
produce
various
metabolites,
like
butanediol,
cyclic
dipeptides,
fatty
acids,
hydrocarbons,
diverse
effects
sometimes
opposite
order
modulate
response
adapt
environmental
effects.
These
findings
provide
new
insight
into
bioactive
properties
species
therapeutic
uses
on
plants.
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
141(34)
Опубликована: Июнь 6, 2024
Abstract
To
prompt
the
nanopesticides
from
laboratory
investigation
to
agricultural
application
and
reduce
use
of
pesticides
impacts
on
environment,
sodium
alginate
(SA)
was
self‐assembled
with
cetyl
trimethyl
ammonium
bromide
(CTAB)
into
stable
uniform
nanoparticle
under
mild
conditions.
The
structure
investigated
by
dynamic
light
scattering
(DLS),
ζ‐potential
measurement,
Fourier
transform
infrared
spectroscopy
(FTIR)
transmission
electron
microscopy
(TEM)
related
loading
release
properties.
It
found
that
size
increased
decreased
increasing
concentration
SA,
leading
higher
efficiency
sustained
efficacy
towards
emamectin
benzoate
(EB).
amount
CTAB
had
little
effects
nanoparticle,
however
made
a
competition
EB
reduced
sustaining
nanocarrier.
SA‐CTAB
pH‐sensitive
slower
in
medium
pH
value,
due
interaction
entrapment
greatly
insecticidal
toxicity
between
carriers
cell
membrane.
median
lethal
typical
nanoformulation
against
Mythimna
separata
larvae
30%
technical
EB,
after
feeding
insect
for
48
h.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 21, 2024
There
is
a
growing
demand
for
biobased
functional
materials
that
can
ensure
targeted
pesticide
delivery
and
minimize
active
ingredient
loss
in
the
agricultural
sector.
In
this
work,
we
demonstrated
use
of
esterified
lignin
nanoparticles
(ELNPs)
as
carriers
controlled-release
agents
hydrophobic
compounds.
Curcumin
was
selected
model
compound
incorporated
during
ELNP
fabrication
with
entrapment
efficiencies
exceeding
95%.
ELNPs
presented
sustained
release
curcumin
over
60
days
an
oil
medium,
tunable
rate
dependent
on
lignin-to-curcumin
mass
ratio.
The
showed
strong
adhesion
interaction
wax
surface.
Quartz
crystal
microbalance
dissipation
monitoring
(QCM-D)
atomic
force
microscopy
(AFM)
analysis
suggested
permeated
into
layer,
potentially
preventing
due
to
runoff
or
rainwater
leaching.
Rapidly
decreasing
contact
angles
between
droplet
containing
aqueous
dispersion
fresh
leaf
surface
provided
further
evidence
favorable
two.
Overall,
our
results
portray
promising
nanoparticulate
systems
plant
surfaces.
Agronomy,
Год журнала:
2023,
Номер
13(10), С. 2640 - 2640
Опубликована: Окт. 19, 2023
Optimizing
Cropping
patterns
is
important
for
the
improvement
of
regional
agricultural
economic
efficiency
and
sustainable
development.
However,
there
are
few
studies
on
sustainability
cropping
in
hilly
areas.
Here,
we
studied
four
new
three-maturing
a
typical
ecological
site
areas
southwest
China.
An
analytical
method
combining
evaluation
energy
value
analysis
was
used
to
evaluate
compare
model
traditional
model.
We
explored
construction
three-crop
suitable
area
improve
benefits
production
production.
To
solve
above
problems,
constructed
eight
classified
them
as
follows:
The
Traditional
Double
System:
T1,
oilseed
rape-summer
soybean;
T2,
maize;
T3,
wheat-summer
maize.
Triple
T4,
wheat/spring
maize/summer
soybean.
Novel
T5,
forage
rape-spring
T6,
maize/peanut;
T7,
potato-spring
T8,
results
study
showed
that
compared
with
System
System,
increased
yield
by
an
average
100.39%
49.18%,
capacity
71.32%
36.48%,
biological
12.53%
4.90%,
13.59%
5.80%.
were
significantly
improved,
profits
CNY
9068
·hm−2
7533
System.
further
revealed
characteristics
high
input
output
inputs
6.56%
4.25%,
outputs
13.69%
4.27%
respectively.
This
level
stems
mainly
from
significant
increase
labor
inputs.
Meanwhile,
energy-value
indicator
shows
its
lower
dependence
natural
resources,
greater
intensification,
system
stability.
As
result,
higher
capacity.
In
summary,
this
can
provide
theoretical
basis
optimizing
promoting
high-yield
development
agriculture.
