Agronomy,
Journal Year:
2023,
Volume and Issue:
13(11), P. 2742 - 2742
Published: Oct. 30, 2023
Subsoiling
is
an
essential
practice
in
conservation
tillage
technology.
The
amount
of
disturbed
soil
at
various
depths
resulting
from
subsoilers
with
different
parameters
has
important
effect
on
properties
(e.g.,
bulk
density
and
water
infiltration).
information
regarding
the
effects
subsoiling
characteristics
infiltration
for
design
tools.
In
this
study,
wing
mounting
height
(h)
(75–155
mm)
subsoiler
disturbance
were
modelled
using
HYDRUS-2D
validated
field
experiments.
Results
showed
that
reducing
h
values
resulted
larger
area
ratios,
rates
(f(t)),
distances
vertical
wetting
front
movement
(DVWs),
accumulative
infiltrations
(AINs),
moisture
contents
10–30
cm.
relationships
among
infiltration,
time
(t),
developed.
stable
(fs)
varied
quadratically
corresponding
coefficient
determination
(R2)
was
0.9869.
Horton
model
more
suitable
describing
relationship
between
f(t)
t
under
tested
conditions,
as
compared
Kostiakov
Philip
models.
According
to
results
content
HYDRUS
simulations
experiments,
developed
had
a
good
accuracy,
indicated
by
RMSEs
<0.05,
R2
>0.95,
mean
relative
errors
<12%.
Above
increasing
hardpan
optimizing
could
improve
characteristics.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2551 - 2551
Published: Feb. 27, 2025
The
high
resistance
and
energy
consumption
of
deep
tillage
operations
reduce
the
economic
benefits
conservation
tillage.
This
study
is
based
on
an
air-assisted
wing-shaped
subsoiler
previously
developed
by
research
team.
Biomimetic
elements
from
geometric
structures
badger
claws
pangolin
scales
were
incorporated
into
coupling
design
applied
to
tip
subsoiler.
To
better
explore
key
parameters
affecting
reduction
in
wear
coupled
biomimetic
identify
new
variations
complex
structure
during
tillage,
field
experiments
conducted.
results
show
that,
under
experimental
conditions
air
pressure
2.2
MPa,
a
working
speed
3.31
km/h,
width
150
mm,
specific
(SDF)
reached
3.12,
demonstrating
significant
drag
effects.
provides
theoretical
basis
practical
guidance
for
application
subsoilers.
Acta Technologica Agriculturae,
Journal Year:
2025,
Volume and Issue:
28(1), P. 26 - 31
Published: March 1, 2025
Abstract
Basic
tillage
is
the
most
energy-intensive
operation
in
production
of
agricultural
products.
It
accounts
for
half
all
energy
resources
crop
production.
Mouldboard
loosens
soil
well
but
disrupts
its
structure.
Shaft-free
does
not
disrupt
structure
requires
additional
loosening.
We
have
developed
a
universal
tool
form
reversible
ripper
plough,
which
can
perform
mouldboard
and
non-mouldboard
tillage.
The
plough
has
removable
working
tools.
A
prototype
was
made
to
conduct
experimental
research.
been
tested
experimentally.
evaluation
carried
out
according
fuel
consumption.
As
result
experiment,
three
main
parameters
affecting
consumption
were
recorded:
travel
speed
7.5–8.7
km·h
−1
;
blade
rotation
angle
42–48°;
density
1.25–1.33
g·cm
−3
.
effect
speed,
blades,
on
determined.
regression
equation
from
selected
obtained.
problem
optimisation
criterion
solved.
Its
minimum
value
per
2.035
l·ha
(for
tractor
16–18
l·ha-1)
provided
by
8.39
44.99°
when
cultivating
with
1.26
g·m
Biomimetics,
Journal Year:
2024,
Volume and Issue:
9(1), P. 25 - 25
Published: Jan. 3, 2024
Subsoiling
practice
is
an
essential
tillage
in
modern
agriculture.
Tillage
forces
and
energy
consumption
during
subsoiling
are
extremely
high,
which
reduces
the
economic
benefits
of
technology.
In
this
paper,
a
cicada-inspired
biomimetic
tool
(CIST)
was
designed
to
reduce
draught
force
subsoiling.
A
soil–tool
interaction
model
developed
using
EDEM
validated
lab
soil
bin
tests
with
sandy
loam
soil.
The
used
optimize
CIST
evaluate
its
performance
by
comparing
it
conventional
chisel
(CCST)
at
various
working
depths
(250–350
mm)
speeds
(0.5–2.5
ms−1).
Results
showed
that
both
simulated
disturbance
behaviors
agreed
well
those
from
tests,
as
indicated
relative
errors
<6.1%.
Compared
CCST,
can
be
reduced
17.7%
speeds;
design
obviously
outperforms
some
previous
designs
largest
reduction
7.29–12.8%.
Soil
surface
flatness
after
smoother
than
CCST.
loosening
efficiencies
raised
17.37%
speeds.
study
implied
on
aspects
behaviors,
forces,
efficiencies.
This
have
implications
for
designing
high-performance
tools
requirements,
especially
under
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: April 8, 2024
In
plant
horticulture,
furrow
fertilizing
is
a
common
method
to
promote
nutrient
absorption
and
effectively
avoid
fertilizer
waste.
Considering
the
high
resistance
caused
by
soil
compaction
in
southern
orchards,
an
energy-saving
ditching
device
was
proposed.
A
standard
blade
with
self-excited
vibration
designed,
operated
sandy
clay
tillage
depth
of
30cm.
To
conduct
experiments,
simulation
model
interaction
between
mechanism
established
coupling
ADAMS
EDEM
software.
begin
with,
first
set
up,
taking
into
account
its
motion
morphological
characteristics.
Then,
MBD-DEM
employed
investigate
effect
particles
blade.
Afterwards,
time-domain
frequency-domain
characteristics
signals
during
process
were
analyzed
using
fast
fourier
transform
(FFT)
method,
energy
distribution
extracted
power
spectral
density
(PSD).
The
experimental
results
revealed
that
vibrations
has
reciprocating
displacement
Dx
direction
torsional
displacements
θy
θz
directions
operation,
verifying
correctness
effectiveness
reduction.
Also,
load
bench
test
conducted,
demonstrated
device,
compared
achieved
reduction
up
12.3%.
reasonable
parameters
spring
stiffness,
damping,
quality
can
achieve
satisfied
performance
relatively
low
torque
consumption
at
appropriate
speed.
Subsoiling
is
an
essential
practice
in
conservation
tillage
technology.
The
amount
of
disturbed
soil
at
various
depths
resulting
from
subsoilers
with
different
parameters
has
important
effect
on
properties
(e.g.
bulk
density
and
water
infiltration).
information
regarding
the
effects
subsoiling
characteristics
infiltration
for
design
tools.
In
this
study,
wing
mounting
height
(h)
(75-155mm)
subsoiler
disturbance
were
modelled
using
HYDRUS-2D
validated
field
experiments.
Results
showed
that
reducing
h
values
gave
larger
area
ratios,
rates
(f(t)),
distances
vertical
wetting
front
movement
(DVWs),
accumulative
infiltrations
(AINs),
moisture
contents
10-30
cm.
relationships
among
infiltration,
time
(t)
developed.
stable
(fs)
varied
quadratically
corresponding
coefficient
determination
(R2)
was
0.9869.
Horton
model
more
suitable
to
describe
relationship
between
f(t)
t
under
tested
conditions,
as
compared
Kostiakov
Philip
models.
According
results
HYDRUS
simulations
experiments,
developed
had
a
good
accuracy,
indicated
by
RMSEs
<0.05,
R2
>0.95,
mean
relative
errors
<12%.
T.
Above
increasing
hardpan
optimizing
could
improving
characteristics.
