Frontiers in Agronomy,
Journal Year:
2024,
Volume and Issue:
6
Published: Oct. 4, 2024
Numerical
models
of
crop
response
to
irrigation
and
weather
forecasts
with
internet
access
should
be
fully
utilized
in
modern
management.
In
this
respect,
we
developed
a
new
numerical
scheme
optimize
depth
that
maximizes
net
income
over
each
interval.
The
applies
volumetric
water
prices
inspire
farmers
save
water,
it
provides
growers
real-time
estimates
the
growing
season.
To
evaluate
scheme,
carried
out
field
experiment
for
groundnut
(
Arachis
hypogaea
L.)
grown
sandy
Arid
Land
Research
Center
(ALRC),
Tottori
University,
Japan.
Two
treatments
were
established
compare
proposed
an
automated
system.
Results
showed
although
gave
larger
amount
seasonal
28%,
achieved
2.18
times
owing
51%
higher
yield
compared
results
accuracy
rainfall
forecast
had
little
effect
on
outputs,
where
root
mean
square
error
(RMSE)
between
observed
forecasted
was
4.63
mm.
By
utilizing
simulation
information
soil–plant–atmosphere
system
into
would
more
cost-effective
tool
optimizing
depths
than
systems.
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(8), P. 794 - 794
Published: July 27, 2024
This
study
investigated
the
performance
of
four
different
fertigation
scheduling
methods
in
greenhouse-grown,
drip-fertigated
Chinese
chive
(Allium
tuberosum)
cultivation.
These
were
based
on
(1)
use
a
timer
(control),
(2)
accumulated
radiation
(AR),
(3)
estimated
evapotranspiration
(ET),
and
(4)
measured
soil
moisture
(SM),
with
fertilizer
application
proportional
to
supplied
water.
caused
considerable
variations
amount
water
(I),
volumetric
content
(θ),
bulk
electrical
conductivity,
leading
harvested
fresh
weight
(FW).
The
SM-based
method
maintained
target
θ
achieved
highest
irrigation
productivity
(WP;
ratio
FW
ΣI),
while
ET-based
led
insufficient
I
loss.
AR-based
over-fertigated,
but
no
loss
was
observed.
Compared
WP
control,
those
SM-,
ET-,
varied
by
+1%,
−14%,
−57%,
respectively.
Different
did
not
significantly
affect
leaf
photosynthetic
capacity,
under-fertigation
significant
decline
stomatal
conductance.
ET-
methods,
seemed
have
lower
risk
under-/over-fertigation
because
could
be
adjusted
according
θ.
Frontiers in Agronomy,
Journal Year:
2024,
Volume and Issue:
6
Published: Oct. 4, 2024
Numerical
models
of
crop
response
to
irrigation
and
weather
forecasts
with
internet
access
should
be
fully
utilized
in
modern
management.
In
this
respect,
we
developed
a
new
numerical
scheme
optimize
depth
that
maximizes
net
income
over
each
interval.
The
applies
volumetric
water
prices
inspire
farmers
save
water,
it
provides
growers
real-time
estimates
the
growing
season.
To
evaluate
scheme,
carried
out
field
experiment
for
groundnut
(
Arachis
hypogaea
L.)
grown
sandy
Arid
Land
Research
Center
(ALRC),
Tottori
University,
Japan.
Two
treatments
were
established
compare
proposed
an
automated
system.
Results
showed
although
gave
larger
amount
seasonal
28%,
achieved
2.18
times
owing
51%
higher
yield
compared
results
accuracy
rainfall
forecast
had
little
effect
on
outputs,
where
root
mean
square
error
(RMSE)
between
observed
forecasted
was
4.63
mm.
By
utilizing
simulation
information
soil–plant–atmosphere
system
into
would
more
cost-effective
tool
optimizing
depths
than
systems.
