Farming System,
Journal Year:
2023,
Volume and Issue:
1(3), P. 100048 - 100048
Published: Oct. 1, 2023
Sugarcane
(Saccharum
officinarum
L.)
is
the
single
most
important
agricultural
industry
in
Fiji
and
occupies
half
of
nation's
cropped
area
while
supporting
25%
labour
force.
However,
facing
comprehensive
challenges
across
supply
chain,
underlain
by
declining
productivity
changing
climate.
The
purposes
this
study
were
to:
(1)
use
model
simulation
to
determine
potential
conservation
agriculture
(CA)
practices
narrow
yield
gaps
sugarcane
production
systems
under
historical
projected
climates
a
case
study;
(2)
identify
rank
candidate
that
would
contribute
narrowing
such
gaps;
(3)
limitations
modelling
approach
make
recommendations
for
improving
it.
We
simulated
nine
scenarios
CA
with
reduce
estimated
gap
(55
Mg
ha-1)
increasing
nitrogen
(N)
fertiliser
rates
(30
ha−1),
liming
(25
improved
weed
control
(5–9
replacing
uncropped
fallow
legume
crops
(2–3
crop
cycle
duration
(0
retaining
residues
(−2
ha−1).
benefit
was
similar
warmer
wetter
or
drier,
hotter
wetter.
For
climate
greatest
obtained
from
liming,
control,
residues.
limited
availability
daily
weather
data,
it
be
complemented
additional
studies
incorporating
more
local
crops,
evaluation
barriers
mechanisation
needed
implement
new
practices,
economic
assessment
scenarios.
Biogeotechnics,
Journal Year:
2024,
Volume and Issue:
2(4), P. 100104 - 100104
Published: June 29, 2024
In
order
to
study
the
infiltration
characteristics
of
grassland
soil
in
super
large
scale
landslides
distribution
area
upper
reaches
Yellow
River,
this
selected
Xiazangtan
Jianzha
County
as
area.
Through
experiments
and
numerical
simulations,
plant
roots
characteristics,
physical
properties
naturally
grazed
enclosed
with
different
slope
directions
were
compared
analyzed,
influence
rainfall
on
seepage
field
stability
two
slopes
discussed.
The
results
show
that
highest
moisture
capacity
(FIR)
is
found
shady
(2.25),
followed
by
sunny
(1.23)
(−0.87).
Correlation
analysis
water
content,
root
dry
weight
density,
total
porosity,
number
forks
length
are
positively
correlated
rate
(P<0.05),
whereas
density
negatively
(P<0.05).
stepwise
regression
analyses
main
factors
affecting
capacity.
And
ability
increase
improving
higher
than
effect
itself.
After
60
min
simulated
rainfall,
safety
reduced
29.56%
19.63%,
respectively,
comparing
those
before
rainfall.
Therefore,
study,
play
a
crucial
role
regulating
enhance
increasing
porosity
shear
strength
while
decreasing
density.
provide
theoretical
evidence
practical
guidance
for
effective
prevention
control
secondary
geological
disasters
such
erosion
shallow
landslide
river
banks
using
ecological
measures.
Agricultural Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Abstract
The
energy
use
and
emissions
from
direct
fossil
fuel
combustion
on-farms
to
power
farm
machinery
was
critically
reviewed.
Approximately,
15%
of
agricultural
production
costs
on-farm
are
energy-related.
A
potential
solution
more
sustainable
is
a
shift
toward
biofuels
renewable
resources.
reduction
greenhouse
gas
through
the
substitution
diesel
oil
with
biodiesel
depends
on
feedstock,
inter-esterification
process,
storage
period,
ambient
conditions.
In
modern
tractors,
increased
efficiency
(or
reduced
consumption)
has
been
achieved
by
power/load
matching
variable
transmission.
Engine
management
systems
that
capable
continuously
communicating
engine
transmission
make
appropriate
adjustments
based
inputs
received
tractor
allow
for
quick
precise
responses
changing
As
result,
maximum
productivity
can
be
obtained
operating
similarly
traditional
‘gear-up
throttle-back’
methods
proficient
operator.
future
autonomous
tractors
promising,
though
not
new.
Electric-powered
near
commercialization
or
already
commercially
available.
Hybrid
electric
driven
present
some
advantages
in
terms
functionalities.
Increased
lead
consumption
hence,
concurrent
decrease
CO
2
emission.
Where
local
electricity
supply
low-carbon
emission
factor,
this
also
result
significant
reductions.
Small
light-weight
robotic
equipment
potentially
perform
functions
currently
undertaken
tractor-drawn
other
heavy
high-fuel
consumption,
provided
field
capacity
compromised.
However,
size
weight
limitations
inherent
current
harvesting
transport
technology
mean
soil
compaction
will
still
problem
units.
operation
medium-scale
within
precision-controlled
traffic
farming
environment
should
offer
feasible
energy-efficient
alternatives.
Vadose Zone Journal,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 1, 2025
Abstract
Soil
compaction
leads
to
an
increase
in
bulk
density
()
and
results
a
shift
pore‐size
distribution
toward
smaller
pores.
These
changes
alter
the
soil
hydraulic
properties
(SHPs),
that
is,
water
retention
curve
conductivity
curve.
Most
existing
models
address
impact
of
on
SHP
have
been
confined
consider
only
capillary
water,
neglecting
stored
transmitted
within
adsorbed
films
(noncapillary
water).
Recently,
new
prediction
model
was
developed
combines
Peters–Durner–Iden
(PDI)
system,
which
accounts
for
noncapillary
with
scheme
effects.
However,
this
approach
has
yet
be
calibrated
tested
against
data
from
soils
varying
textures.
The
objective
study
calibrate
evaluate
using
comprehensive
dataset
literature.
Two
different
variants,
vary
number
degrees
freedom
tested.
Remarkably,
variant
one
adjustable
parameter,
shifts
by
scaling
pressure
head,
sufficient
accurately
describe
data.
All
other
parameters
can
either
fixed
at
reference
value
or
scaled
based
straightforward
physical
reasoning.
achieved
low
calibration
errors
(median
root
mean
square
error
[RMSE]:
0.013;
median
[ME]:
0.0014)
performed
satisfactorily
validation
RMSE:
0.025;
ME:
−0.014).
Based
our
results,
we
hypothesize
is
independent
saturation
function
method
might
applied
PDI
system
without
calibration.
Trends in Plant Science,
Journal Year:
2024,
Volume and Issue:
30(5), P. 565 - 575
Published: Nov. 18, 2024
Soil
compaction
is
an
agricultural
challenge
with
profound
influence
on
the
physical,
chemical,
and
biological
properties
of
soil.
It
causes
drastic
changes
by
increasing
mechanical
impedance,
reducing
water
infiltration,
gaseous
exchange,
activities.
hinders
root
growth,
limiting
nutrient
foraging
abilities
plants.
Recent
research
reveals
that
plant
roots
sense
soil
due
to
higher
ethylene
accumulation
in
around
tips.
Ethylene
orchestrates
auxin
abscisic
acid
as
downstream
signals
regulate
adaptive
responses
compaction.
In
this
review,
we
describe
inflicted
ranging
from
cell
organ
scale
explore
latest
regarding
sensing
response.
